Page 78 - 1SBC104119C0202_MainCatalog_R contactors

AM-CC-NOR125 alternator field discharge contactors
Technical data

N.O. main pole - Utilization characteristics

Types Single tripping coil AM-CC-NOR125-21 A M - C C - N O R12 5 - 31
3
Number of N.O. poles in series 2 1000 V DC
Rated operational voltage Ue 600 V DC 2250 V DC

Maximum breaking voltage 1500 V DC 2000 A
2000 A
Conventional free-air thermal current Ith -
2000 A
Open contactors θ ≤ 40 °C 150 A 1600 A
With conductor cross-sectional area 50 mm² 1400 A

Ie / Rated operational current θ ≤ 40 °C 150 A
Rated short-time withstand current Icw θ ≤ 50 °C 135 A
at 40 °C ambient temperature, 2250 A
in free air from a cold state 1s 1280 A
680 A
10 s

30 s

1 min 450 A

15 min 250 A

5 Maximum breaking capacity at Ue 500 V 2000 A
(L / R ≤ 5 ms) 600 V 2000 A

900 V 1600 A

1 000 V -

1 500 V 1400 A

2 250 V -

Maximum making capacity 2400 A

Dynamical withstand of pole 2500 A

Impedance per pole 1.20 mΩ

N.C. de-energisation pole - Utilization characteristics

Types Single tripping coil AM-CC-NOR125-21 A M - C C - N O R12 5 - 31

Number of N.C. de-energisation pole 1

Conventional free-air thermal current Ith

Open contactors θ ≤ 40 °C 125 A
With conductor cross-sectional area 50 mm²

Maximum making capacity 1000 A

Rated short time current 0.5 s 1700 A

15 s 450 A

Maximum breaking capacity at Ue No breaking capacity

Impedance per pole 1.20 mΩ

General technical data

Types Single tripping coil A M - C C - N O R12 5 -2 1 A M - C C - N O R12 5 - 31
8 kV 6000 V AC 50 Hz
Rated impulse withstand voltage Uimp. 5500 V AC 50 Hz

Dielectric test voltage / 1 min

Ambient air temperature close to contactor

Operation in free air -20…+55 °C
-20…+80 °C
Storage Standard version for industrial environment and atmospheres
2000 m
Climatic withstand

Maximum operating altitude (without derating)

Mechanical durability

Number of operating cycles 200000 cycles

Construction characteristics

Types Single tripping coil A M - C C - N O R12 5 -2 1 A M - C C - N O R12 5 - 31

Standard combination of auxiliary contacts 3 N.O. + 2 N.C.:
1 CARB (N.O.) + 1 CA12-1 (N.O. + N.C.) + 1 CA15-F (N.O.) + 1 CA15-O (N.C.)

Maximum number of auxiliary contacts 5 12 5
Fixing dimensions (F)
Width 385 mm - 445 mm
Weight
414 mm - 474 mm

4.1 kg 4.9 kg 5 kg

1SBC104100S0201

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