HF HF420 Service Manual
HF420
File No.:E43203
File No.:0110 Gr,A
MINIATURE INTERMEDIATE POWER RELAY
Features
• Life expectancy greater than 100 million operations
• DC coils to 115V
• Dry circuit,2 Amp,3 Amp or 7.5 Amp contacts
• Rugged construction for high reliability
• Printed circuit or solder/plug-in terminals
• Sealed version available (2 and 4 pole)
CONTACT DATA
Contact Arrangement
Initial Contact
Resistance Max.
Contact Material
Contact Rating
(Res. Load)
General Purpose Power Relays
HF420
Max. Switching voltage
Max. Switching Power
Ambient temperature
Vibration Resistance
Shock Resistance
Initial Insulation
Resistance
Dielectric Strength
Operate time
(at nomi. Volt.)
Release time
(at nomi. Volt.)
Unit weight
Mechanical life
Electrical life
Between coil and Contacts:1500Vrms
COIL DATA
Unsealed standard (2,4 Pole)
Nominal
Voltage VDC
3
6
12
18
24
48
72
115
Coil
Resistance
( 10%)
14
52
185
430
700
2500
5800
15000
2C,4C,6C
100m (1A 24VDC)
AgCe
A:2A 26VDC/115VAC
B:3A 28VDC/115VAC
C:5A 26VDC/115VAC
D:7.5A 28VDC/115VAC
300VAC/150VDC
870VA/225W
Standard: 2 to 4 pole -55 to 80
Sensitive: 2 to 6 pole -55 to 95
Between Contacts Sets:1000Vrms
Between open contacts: 500Vrms
6 pole -55 to 65
DA: 1.5mm,10 to 55Hz
196m/s2(20g)
10000M(100VDC)
Pick-up
Voltage
VDC(max.)
2.25
4.5
9.0
13.0
18.0
36.0
54.0
86.0
16ms
4ms
23 to 35g
7
1 x 10
5
1 x 10
Drop-out
Voltage
VDC(min.)
0.15
OPS
OPS
0.3
0.6
0.9
1.2
2.4
3.6
5.8
COIL DATA
Unsealed standard (6 Pole)
Nominal
Voltage VDC
3
6
12
18
24
48
72
115
Unsealed sensitive (2 Pole)
Nominal
Voltage VDC
3
6
12
24
48
Unsealed sensitive (4 Pole)
Nominal
Voltage VDC
3
6
12
24
48
Coil
Resistance
( 10%)
11
25
90
230
430
1800
3600
9000
Coil
Resistance
( 10%)
50
200
800
3200
13000
Coil
Resistance
( 10%)
30
110
450
1800
7500
Pick-up
Voltage
VDC(max.)
2.25
4.5
9.0
13.0
18.0
36.0
54.0
86.0
Pick-up
Voltage
VDC(max.)
2.25
4.5
9.0
18.0
36.0
Pick-up
Voltage
VDC(max.)
2.25
4.5
9.0
18.0
36.0
Drop-out
Voltage
VDC(min.)
0.15
0.3
0.6
0.9
1.2
2.4
3.6
5.8
Drop-out
Voltage
VDC(min.)
0.15
0.3
0.6
1.2
2.4
Drop-out
Voltage
VDC(min.)
0.15
0.3
0.6
1.2
2.4
92
HONGFA RELAY
ISO9001/QS9000/ISO14000 CERTIFIED
COIL DATA
Unsealed sensitive (6 Pole)
Nominal
Voltage VDC
3
6
12
24
48
Sealed standard (2,4 Pole)
Nominal
Voltage VDC
6
12
24
48
115
Coil
Resistance
( 10%)
20
80
320
1200
5200
Coil
Resistance
( 10%)
52
185
700
2500
15000
Pick-up
Voltage
VDC(max.)
2.25
4.5
9.0
18.0
36.0
Pick-up
Voltage
VDC(max.)
4.5
9.0
18.0
36.0
86.0
Drop-out
Voltage
VDC(min.)
0.15
0.3
0.6
1.2
2.4
Drop-out
Voltage
VDC(min.)
0.3
0.6
1.2
2.4
5.8
Sealed sensitive (2 Pole)
Nominal
Voltage VDC
6
12
24
48
Sealed sensitive (4 Pole)
Nominal
Voltage VDC
6
12
24
48
Coil
Resistance
( 10%)
200
800
3200
13000
Coil
Resistance
( 10%)
110
450
1800
7500
Pick-up
Voltage
VDC(max.)
4.5
9.0
18.0
36.0
Pick-up
Voltage
VDC(max.)
4.5
9.0
18.0
36.0
Drop-out
Voltage
VDC(min.)
0.3
0.6
1.2
2.4
Drop-out
Voltage
VDC(min.)
0.3
0.6
1.2
2.4
General Purpose Power Relays
ORDERING INFORMATION
HF420 / S A
Type
HF420: Unsealed,2C, Soldering, Plug-in
HF428: Unsealed,2C, PCB
HF421: Unsealed,4C, Soldering, Plug-in
HF429: Unsealed,4C, PCB
HF431: Unsealed,6C, Soldering, Plug-in
HF439: Unsealed,6C, PCB
HF2428: Sealed,2C, PCB
HF2429: Sealed,4C, PCB
Coil Power N: Standard S: Sensitivity
Coil voltage Sea coil data
Conact Rating:
A:2A 26VDC/115VAC
B:3A 28VDC/115VAC
C:5A 26VDC/115VAC
D:7.5A 28VDC/115VAC
HF420
012
93
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