Owner's manual

1-6 Contactor Product Description
1502-UM050D-EN-P – June 2013
Contactor Specifications Contactor Ampere Rating 400A
Continuous current rating  ................................... 400 amps
Maximum rated voltage ............................................. 7.2 kV
Maxium ambient temperature (for rated current) ...... 40°C (104°F)
Frequency rating ........................................................ 50/60 Hz
Short circuit interruption current rating:
– 1500 V to 5000 V (RMS sym.) ........................ 6300 amps
– 7200 V (RMS sym.)................................................ 6000 amps

Short circuit withstand at rated voltage ..................... 60 kA peak
Dielectric voltage withstand (for 60 seconds) ........... 18.2 kV/20 kV (IEC)
Make & break capability at rated voltage.................. 4.0 kA
Short time capability (for 1 second) .......................... 6.0 kA
(for 30 seconds) ......................... 2.4 kA
Basic Impulse Level (B.I.L.) withstand
 ............... 60 kV
Mechanical life (operations):

– electrically held ................................................ 2,500,000
– mechanical latch............................................... 100,000
Electrical Life (operations)
 ................................. 1,000,000
Standard altitude rating.............................................. 1000 m (3,300 ft)
Max. altitude limit with spring replacement.............. 5000 m (16,500 ft)
Chopping current (average RMS).............................. 0.5 amps
Switching frequency:
– electrically held ................................................ 600 ops/hr
– mechanical latch............................................... 150 ops/hr
Coil inrush current:
• At 120 VAC:
– electrically held ................................................ 7.3 amps
– mechanical latch............................................... 11.5 amps
• At 230 VAC:
– electrically held ................................................ 8.3 amps
– mechanical latch............................................... N/A
 The continuous current rating and B.I.L. withstand are de-rated for altitudes above 1000 m (3300 ft).
Refer to Altitude Adjustment in Chapter 4 for details.
 IEC rating at 7200 V (RMS sym.) – 5300 amps.
 Provided routine maintenance is performed as detailed in this manual.