Data Sheet
Solenoid coils
Type BA, BD, BB, BE, BF, BG, BN, BO,
BJ, BX, BY, BQ, AM, AZ, AS and AP
Solenoid coils for A and B system
Danfoss solenoid valves and coils are usually
ordered separately to allow maximum
exibility, enabling you to select a valve and
coil combination to best suit your needs.
The Danfoss coil program consists of both the
easy-to-handle Clip-On system and traditional
coils with threaded fastener.
Danfoss oer a wide range of application
specic coils for e.g. steam or hazardous areas.
The coils are available with approvals such as
EN60730-1, EEx/ATEX and UL.
Features
• Encapsulated coils with long operating life,
even under extreme conditions
• Standard coils for AC or DC
• Standard coils from 12 V – 400 V, 50, 60, 50 /
60 Hz or DC
• Standard coils available with:
◦ Cable plugs
◦ Industrial plugs
◦ Terminal box
◦ 3 core cable
◦ Junction box
◦ Conduit hub
AI247086497610en-001001
F4501
T ype BQ240CS
018F4511
-40 40 °C
208 - 240V 60H z 9.5W 16V A
230V 50H z 10W 17V A
M ADE IN DENM ARK
Danf o s s A / S , 6 4 3 0 N o r d b o r g , D enmar k
Spar e par t no .
T ambien t
2
3
4
8
7
11
5
6
12
9
10
1
Spare part no. (code no.)
Ambient temperature: (-40 – 40 °C = Ambient temperature range: -40 °C – 40 °C)
Raw coil number (F4501=Raw coil number 018F4501)
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
1 Coil identication
Technical data is printed directly on the coil:
Figure 1: Identication label
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-40 – 4012±10%DC14–042N7550
-40 – 4024±10%DC14–042N7551
In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
IP00 with spade connector, IP20 with protective cap, IP65 with cable plug
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2 Product specication
2.1 BA, High performance coils
Figure 2: BA, High performance coils
Features
• Cable plug enclosure:
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with cable plug
• Nut and snap fastener included
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 1: BA, High performance coils
Table 2: Technical data
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L without cable plug
[mm]
L with protective cap
[mm]
In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
IP00 with spade connector, IP20 with protective cap, IP65 with cable plug
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.1.1 Dimensions and weight
Figure 3: BA, High performance coils
Table 3: BA, High performance coils
2.2 BD, High performance coils
Figure 4: BD, High performance coils
Features
• Cable plug enclosure:
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with cable plug
• Nut and snap fastener included
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 4: BD, High performance coils
Table 5: Technical data
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L without cable plug
[mm]
L with protective cap
[mm]
-40 – 5012±10%DC14–018F7396
-40 – 5024±10%DC16–018F7397
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.2.1 Dimensions and weight
Figure 5: BD, High performance coils
Table 6: BD, High performance coils
2.3 BB, High performance coils
Figure 6: BB, High performance coils
Features
• Enclosure:
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with mounted cable plug
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 7: BB, High performance coils
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In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
IP00 with spade connector, IP20 with protective cap, IP65 with cable plug
L without cable plug
[mm]
L with protective cap
[mm]
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 8: Technical data
2.3.1 Dimensions and weight
Figure 7: BB, High performance coils
Table 9: BB, High performance coils
2.4 BE, High performance coils
Figure 8: BE, High performance coils
Features
• Enclosure: IP67 for moist environments with terminal box
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 10: BE, High performance coils
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-40 – 5012±10%DC15–018F6756
-40 – 5024±10%DC16–018F6757
In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 11: Technical data
2.4.1 Dimensions and weight
Figure 9: BE, High performance coils
Table 12: BE, High performance coils
2.5 BF, High performance coils
Figure 10: BF, High performance coils
Features
• Enclosure: IP67 for moist environments with molded-in cable
• In accordance with:
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In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 13: BF, High performance coils
Table 14: Technical data
2.5.1 Dimensions and weight
Figure 11: BF, High performance coils
Table 15: BF, High performance coils
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-40 – 5012±10%DC20–018F6856
-40 – 5024±10%DC16–018F6857
In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.6 BG, High performance coils
Figure 12: BG, High performance coils
Features
• Enclosure: IP67 for moist environments with terminal box
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 16: BG, High performance coils
Table 17: Technical data
2.6.1 Dimensions and weight
Figure 13: BG, High performance coils
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In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 18: BG, High performance coils
2.7 BN, High performance coils Hum-free
Figure 14: BN, High performance coils
Features
• Hum-free
• Enclosure: IP67 for moist environments with ying lead
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 19: BN, High performance coils
Table 20: Technical data
2.7.1 Dimensions and weight
Figure 15: BN, High performance coils Hum-free
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In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Cable plug in accordance with DIN43650 form A or terminal box
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 21: BN, High performance coils
2.8 BN, High performance coils Center boss
Figure 16: BN, High performance coils
Features
• Enclosure:
◦ Center boss for mounting IP65/IP67 cable plug in accordance with DIN43650 form A
◦ IP65/IP67 for moist environments with terminal box
• Used with EV215B, EV225B, and EV245B up to 160 °C low pressure steam and max. ambient temperature 40 °C (see
additional information in the respective solenoid valve data sheets)
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
• Mounted with the solenoid valves EV210B, EV220B, EV215B and EV225B, the assembly is UL recognized
Table 22: BN, High performance coils Center boss
Table 23: Technical data
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Insulation of coil windings
Class H according to IEC 85
5 m 3 x 0.75 mm²
exible cord
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.8.1 Dimensions and weight
Figure 17: BN, High performance coils Center boss
Table 24: BN, High performance coils Center boss
2.9 BO, High performance coils
Figure 18: BO, High performance coils
Features
• ATEX Zone 1
• Enclosure: IP67 seal kit for moist environment included
• Approved in accordance with:
◦ ATEX 2014/34/EU
◦ Ex mb IIC T4 Gb
◦ ITS 09 ATEX 16835X
• Media temperature: Up to 90 °C
Table 25: BO, High performance coils
Table 26: Technical data
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Impulse withstand voltage
Seal kit (included as standard)
Wet environment (pollution degree 3)
EV220B 6-50
EV210B
EV215B
EV225B
EV250B
±10%2450 / 6014718018F4100
In accordance with UL 429
Power consumption, cut in
Insulation of coil windings
Class H according to IEC 85
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 27: Accessory
2.9.1 Dimensions and weight
Figure 19: BO, High performance coils
Table 28: BO, High performance coils
2.10 BJ, High performance coils Junction box
Figure 20: BJ, High performance coils
Features
• Enclosure: IP30 / NEMA 2
• For UL listed valves (UL 429 and CSA)
• Ambient temperature: Up to 50 °C / 122 °F
• Media temperature: Up to 185 °C / 364 °F steam
Table 29: BJ, High performance coils
Table 30: Technical data
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Junction box NEMA 2 ~ IP12 – 30
-40 – 50 °C / -40 – 122 °F
52mm (2 in.)
50mm (2 in.)
100mm (4 in.)
EV220B 6-50
EV210B
EV215B
EV225B
EV250B
±10%2450 / 60141846018F4102
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.10.1 Dimensions and weight
Figure 21: BJ, High performance coils Junction box
Table 31: BJ, High performance coils Junction box
2.11 BX, High performance coils Conduit hub
Figure 22: BX, High performance coils
Features
• Enclosure: IP54 / NEMA 4
• For UL listed valves (UL 429 and CSA)
• Ambient temperature: Up to 50 °C / 122 °F
• Media temperature: Up to 185 °C / 364 °F steam
Table 32: BX, High performance coils
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In accordance with UL 429
Power consumption, cut in
Insulation of coil windings
Class H according to IEC 85
Conduit hub NEMA 4 ~ IP54
-40 – 50 °C / -40 – 122 °F
48mm (2 in.)
74mm (3 in.)
41mm (1 5 / 8 in.)
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 33: Technical data
2.11.1 Dimensions and weight
Figure 23: BX, High performance coils Conduit hub
Table 34: BX, High performance coils Conduit hub
2.12 BY, High performance coils
Figure 24: BY, High performance coils
Features
• Enclosure:
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with mounted cable plug
• For UL recognised valves
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
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In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
L without cable plug
[mm]
L with protective cap
[mm]
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
▪ EN60730-1
▪ EN60730-2-8
Table 35: BY, High performance coils
Table 36: Technical data
2.12.1 Dimensions and weight
Figure 25: BY, High performance coils
Table 37: BY, High performance coils
2.13 BQ, High performance coils
Figure 26: BQ, High performance coils
Features
• Enclosure:
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In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
L without cable plug
[mm]
L with protective cap
[mm]
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with mounted cable plug
• Max. media temperature: 185 °C steam
• For UL recognised valves
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 38: BQ, High performance coils
Table 39: Technical data
2.13.1 Dimensions and weight
Figure 27: BQ, High performance coils
Table 40: BQ, High performance coils
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-40 – 5012±10%DC8.5–042N0848
-40 – 5024±10%DC9–042N0843
In accordance with VDE 0580
Power consumption, cut in
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
IP00 with spade connector, IP65 with cable plug
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.14 AM coil
Figure 28: AM coi
Features
• Cable plug enclosure:
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with cable plug
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 41: AM coil
Table 42: Technical data
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L without cable plug
[mm]
L with protective cap
[mm]
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.14.1 Dimensions and weight
Figure 29: AM coil
Table 43: AM coil
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In accordance with VDE 0580
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
IP00 with spade connector, IP65 / NEMA 2 with cable plug
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.15 AP, Compact UL recognised coils
Figure 30: AP Coil
Features
• Cable plug enclosure:
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with cable plug
• For UL recognised valves
• Ambient temperature: Up to 50 °C / 122 °F
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
Table 44: AP, Compact UL recognised coils
Table 45: Technical data
2.15.1 Dimensions and weight
Figure 31: AP, Compact UL recognised coils
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L without cable plug
[mm]
L with protective cap
[mm]
In accordance with UL 429
Insulation of coil windings
Class H according to IEC 85
Spade connector in accordance with DIN 43650 form A
IP00 with spade connector, IP65 / IP67 with cable plug
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 46: AP, Compact UL recognised coils
2.16 AS/AZ, Compact UL recognised clip-on coils
Figure 32: AS/AZ Coil
Features
• Cable plug enclosure:
◦ IP00 version with DIN 43650 A spade connectors
◦ IP20 version with protective cap
◦ IP65/IP67 version with cable plug
• Ambient temperature: Up to 50 °C / 122 °F
• In accordance with:
◦ RoHS Directive 2011/65/EU
◦ Low Voltage Directive 2014/35/EU
▪ EN60730-1
▪ EN60730-2-8
• UL recognized
Table 47: AS/AZ, Compact UL recognised clip-on coils
Table 48: Technical data
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L without cable plug
[mm]
L with protective cap
[mm]
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.16.1 Dimensions and weight
Figure 33: AS/AZ, Compact UL recognised clip-on coils
Table 49: AS/AZ, Compact UL recognised clip-on coils
2.17 Cable plug
Figure 34: Cable plug
Features
• Enclosure: IP67 / NEMA 4X
• For use with Danfoss coils type AL, AM, AS, AZ, BA, BB, BD, BN (Center boss), BQ, and BY
• AC / DC all voltages up to 250 V
• In accordance with:
◦ RoHS 2011/65/EU
◦ LVD 2014/35/EU
◦
• Design according to:
◦ Flammability
▪ UL94 V0
▪ IEC 60695-11-5
Table 50: DIN 18
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Cable plug with Danfoss logo
Ext. thread diameter range 4-9 mm
-40 - 125 °C / -40 - 257 °F
28
26
26. 8
27
1
2
10
25 0
18 0
3
19
21
1.8
18
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Figure 35: Pin
Table 51: Technical data
2.17.1 Dimensions and weight
Figure 36: Cable plug
Table 52: Cable plug
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Cable plug with Danfoss logo
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.18 Cable plug
Figure 37: Cable plug
Features
• Enclosure: IP65 / NEMA 4
• For use with Danfoss coils type AL, AM, AS, AZ, BA, BB, BD, BN (Center boss), BQ, and BY
• AC / DC all voltages up to 250 V
• In accordance with:
◦ RoHS 2011/65/EU
◦ LVD 2014/35/EU
◦
• Design according to:
◦ Flammability
▪ UL94 V0
▪ IEC 60695-11-5
Table 53: DIN 18
Figure 38: Pin
Table 54: Technical data
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28
42
27.3
27
18
22
1. 8
10
25 0
1 2
1 8 0
3
PG9
Cable plug for 6.3 x 0.8 mm spade con-
nectors
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.18.1 Dimensions and weight
Figure 39: Cable plug
Table 55: Cable plug
2.19 Industrial plug
Figure 40: Industrial plug
Features
• Enclosure: Up to IP65
• For use with Danfoss coils type AB and AC
• AC / DC all voltages up to 250 V
• Approved in accordance with:
◦
◦ CSA
Table 56: DIN 11
Figure 41: Pin
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-30 – 90 °C / -22 – 194 °F
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 57: Technical data
2.19.1 Dimensions and weight
Figure 42: Industrial plug
Table 58: Industrial plug
2.20 Cable plug (LED + Varistor)
Figure 43: Cable plug
Features
• Enclosure: Up to IP65
• For use with Danfoss coils type AM, AK, AL, AS, AZ, BA, BD, BB, and BY
• 24 V AC / DC and 230 V AC version
• DIN 18
• Approved in accordance with: CSA
• In accordance with:
◦ RoHS 2011/65/EU
◦ LVD 2014/35/EU
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Built-in VDR
(1)
re‐
sistor
AM, AL, AS, AZ, BA,
BB, BD, BY
AM, AL, AS, AZ, BA,
BB, BD, BY
Protection against wrong polarity
-25 – 60 °C / -13 – 140 °F
PA6.6 + 50% FG P7,5 black
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 59: DIN 18
(1)
(1)
Protects against voltage peaks
Protects against voltage peaks
Figure 44:
Table 60: Technical data
2.20.1 Dimensions and weight
Figure 45: Cable plug (LED + Varistor)
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Cable plug (LED + Varistor)
Built-in VDR
(1)
resis‐
tor
Protection against wrong polarity
-25 – 60 °C / -13 – 140 °F
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
Table 61: Cable plug (LED + Varistor)
2.21 Industrial plug (LED + Varistor)
Figure 46: Industrial plug
Features
• Enclosure: Up to IP65
• For use with Danfoss coils type AB and AC
• 24 V AC
• Approved in accordance with: CSA
• In accordance with:
◦ RoHS 2011/65/EU
◦ LVD 2014/35/EU
Table 62: DIN 11
(1)
(1)
Protects against voltage peaks.
Protects against voltage peaks.
Figure 47:
Table 63: Technical data
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PA6.6 + 50% FG P7,5 black
Industrial plug (LED + Varistor)
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
2.21.1 Dimensions and weight
Figure 48: Industrial plug (LED + Varistor)
Table 64: Industrial plug (LED + Varistor)
2.22 Universal electronic multi-timer Type ET 20 M
Figure 49: ET 20 M
Features
• Outside adjustments
• Light weight and small size
• External adjustable timing from 1 minute to 45 minutes with 1 to 15 seconds drain open
• One solid state timer ts all coil voltages from 24 – 240 V AC
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AL, AM, AS, AZ, BA, BD, BB
24 – 240 V AC / 50 – 60 Hz
IP00, IP65 with cable plug
DIN connector (DIN 43650-A)
Ambient operating temperature range
Solenoid coils, type BA, BD, BB, BE, BF, BG, BN, BO, BJ, BX, BY, BQ, AM, AS, AZ and AP
• Light diodes for indication
• All in one unit
• Manual override (test button)
Table 65: BA024A
Table 66: Technical data
2.22.1 Dimensions and weight
Figure 50: Universal electronic multi-timer Type ET 20 M
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Local Danfoss websites are the main sources for help and information about our company and
products. Find product availability, get the latest regional news, or connect with a nearby expert—all
in your own language.
Find your local Danfoss website here: www.danfoss.com/en/choose-region .
Spare Parts
Get access to the Danfoss spare parts and service kit catalog right from your smartphone. The app
contains a wide range of components for air conditioning and refrigeration applications, such as
valves, strainers, pressure switches, and sensors.
Download the Spare Parts app for free at www.danfoss.com/en/service-and-support/downloads.
Any information, including, but not limited to information on selection of product, its application or use, product design, weight, dimensions, capacity or any other
technical data in product manuals, catalogues descriptions, advertisements, etc. and whether made available in writing, orally, electronically, online or via download,
shall be considered informative, and is only binding if and to the extent, explicit reference is made in a quotation or order conrmation. Danfoss cannot accept any
responsibility for possible errors in catalogues, brochures, videos and other material. Danfoss reserves the right to alter its products without notice. This also applies to
products ordered but not delivered provided that such alterations can be made without changes to form, t or function of the product. All trademarks in this material
are property of Danfoss A/S or Danfoss group companies. Danfoss and the Danfoss logo are trademarks of Danfoss A/S. All rights reserved.
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