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IEC/UL/CSA Technical data
A/E/F45...A/E/F75, 4-pole Utilization characteristics
Main pole - Utilization characteristics according to IEC
Contactor types |
AC operated |
A45 |
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A50 |
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A75 |
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DC operated |
AE45 |
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AE50 |
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AE75 |
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TAE45 |
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TAE50 |
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TAE75 |
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AC / DC operated |
AF45 |
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AF50 |
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AF75 |
Standards |
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IEC 60947-1 / 60947-4-1 and EN 60947-1 / 60947-4-1 |
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Rated operational voltage Ue max. |
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1000 V (690 V for AF.. contactors) |
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Rated frequency (without derating) |
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50 / 60 Hz |
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Conventional free-air thermal current Ith |
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acc. to IEC 60947-4-1, open contactors, θ ≤ 40 °C |
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100 A |
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100 A |
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125 A |
With conductor cross-sectional area |
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35 mm² |
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35 mm² |
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50 mm² |
AC-1 Utilization category |
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For air temperature close to contactor |
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Ie / Rated operational current AC-1 |
θ ≤ 40 °C |
70 A |
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100 A |
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125 A |
Ue max. ≤ 690 V, 50/60 Hz |
θ ≤ 55 °C |
60 A |
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85 A |
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105 A |
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θ ≤ 70 °C (1) |
50 A |
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70 A |
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85 A |
With conductor cross-sectional area |
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25 mm² |
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35 mm² |
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50 mm² |
Short-circuit protection device for contactors |
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without thermal overload relay - Motor protection excluded |
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Ue ≤ 500 V AC - gG type fuse |
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80 A |
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100 A |
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160 A |
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Rated short-time withstand current Icw |
1 s |
1000 A |
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At 40 °C ambient temperature, |
10 s |
650 A |
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in free air from a cold state |
30 s |
370 A |
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1 min |
250 A |
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15 min |
110 A |
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110 A |
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135 A |
Power dissipation per pole |
Ie / AC-1 |
2.5 W |
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5 W |
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7 W |
Max. electrical switching frequency |
AC-1 |
600 cycles/h (300 for AF.., AE.., TAE..) |
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(1) Unauthorized for TAE.. contactors |
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Main pole - Utilization characteristics according to UL / CSA
Contactor types |
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AC operated |
A45 |
A50 |
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A75 |
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DC operated |
AE45 |
AE50 |
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AE75 |
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TAE45 |
TAE50 |
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TAE75 |
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AC / DC operated |
AF45 |
AF50 |
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AF75 |
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Standards |
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UL 508, CSA C22.2 N°14 |
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Max. operational voltage |
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600 V |
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UL / CSA general use rating |
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600 V AC |
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65 A |
80 A |
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105 A |
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With conductor cross-sectional area |
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AWG 6 |
AWG 4 |
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AWG 2 |
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Max. electrical switching frequency |
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For general use |
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600 cycles/h (300 for AF.., AE.. TAE..) |
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Remark for 4-pole contactors fitted with 2 N.O. + 2 N.C. main poles |
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1 |
R3 |
R5 |
7 |
These contactors are suitable for controlling 2 separate circuits, i.e. 2 loads with 2 separate supplies, or 1 circuit comprising |
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2 separate loads with a single supply (see diagrams below). When the contactor operates there is no mechanical overlapping |
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between the N.O. poles and the N.C. poles: BREAK before MAKE. |
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2 |
R4 |
R6 |
8 |
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These contactors are not suitable for a reversing starter or for controlling a single load from 2 separate supplies. |
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Block diagrams |
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– Single supply and 2 separate loads |
– 2 separate supplies and 2 separate loads |
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Supply |
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supply |
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Back-up |
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supply |
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A1 |
1 |
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R3 |
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R5 |
7 |
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A1 |
1 |
R3 |
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R5 |
7 |
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R4 |
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R6 |
8 |
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A2 |
2 |
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A2 |
2 |
R4 |
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R6 |
8 |
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Load |
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Load |
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Load |
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Load |
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1.124 |
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Low Voltage Products & Systems |
1SXU000023C0202 Rev. A |
ABB Inc. • 888-385-1221 • www.abb.us/lowvoltage |
General technical data
AF45...AF75
Coil & mounting characteristics
Across |
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Contactorsline |
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the |
1
Magnet system characteristics
Contactor types |
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AC / DC operated |
AF45 |
AF50 |
AF75 |
Coil operating limits |
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AC or DC supply |
At θ ≤ 70 °C 0.85 x Uc min...1.1 x Uc max. |
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acc. to IEC 60947-4-1 |
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Please also refer to "Mounting characteristics and conditions for use" |
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AC control voltage |
Rated control circuit voltage Uc |
48…250 V |
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50/60 Hz |
Coil consumption |
Average pull-in value |
210 VA |
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Average holding value |
7 VA / 2.8 W |
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DC control voltage |
Rated control circuit voltage Uc |
20…250 V DC |
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Coil consumption |
Average pull-in value |
190 W |
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Average holding value |
2.8 W |
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Drop-out voltage |
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55 % of Uc min. |
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Voltage sag immunity |
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Conditions of use on request |
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acc. to SEMI F47 |
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Dips withstand |
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≥ 20 ms |
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Operating time |
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Between coil energization and: |
N.O. contact closing |
30…100 ms |
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N.C. contact opening |
27…95 ms |
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Between coil de-energization and: |
N.O. contact opening |
30…110 ms |
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N.C. contact closing |
35…115 ms |
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Mounting characteristics and conditions for use
Contactor types |
AC / DC operated AF45 |
AF50 |
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AF75 |
Mounting positions |
Pos. 2 |
+30° -30° |
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Pos. 4 |
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Pos. 3 |
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Pos. 1 |
Pos. 1 ± 30° |
Pos. 5 |
Pos. 6 |
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Pos. 5 unauthorized for AF45-22-00, AF75-22-00 contactors |
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Max. and add-on N.O. or N.C. auxiliary contacts: see accessory fitting details for 4-pole con- |
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tactor AF45 ... AF110 |
Control voltage / Ambient temperature |
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Mounting |
1, 1±30°, 2, 3, 4, 5 |
at θ ≤ 70 °C 0.85 x Uc min…1.1 x Uc max. |
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6 |
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Unauthorized |
Mounting distances |
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The contactors can be assembled side by side |
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Fixing |
On rail according to IEC 60715, EN 60715 |
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35 x 15 mm or 75 x 25 mm |
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By screws (not supplied) |
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2 x M6 screws placed diagonally |
Low Voltage Products & Systems |
1.129 |
ABB Inc. • 888-385-1221 • www.abb.us/lowvoltage |
1SXU000023C0202 Rev. A |