Page 182 - Motor_protection_and_control_Manual_motor_starters_ contactors

NS and NSL contactor relays

Technical data

General technical data
Contactor relay types AC operated NS
DC operated NSL
Rated insulation voltage Ui
acc. to IEC 60947-5-1 690 V
acc. to UL / CSA 600 V
Rated impulse withstand voltage Uimp. 6 kV
Ambient air temperature close to contactor relay
Operation in free air -40...+70 °C
Storage -60...+80 °C
Climatic withstand Category B according to IEC 60947-1 Annex Q
4 Maximum operating altitude (without derating) 3000 m
Mechanical durability
Number of operating cycles 20 millions operating cycles
Max. switching frequency 3600 cycles/h
Shock withstand 1/2 sinusoidal shock for 11 ms: no change in contact position, closed or open position
acc. to IEC 60068-2-27 and EN 60068-2-27 Shock direction NS contactor relays - AC operated NSL contactor relays - DC operated
Mounting position 1 C1 A 20 g 20 g closed position / 10 g open position
B1 5 g 15 g closed position / 5 g open position
A A B1 B2
B2 15 g 10 g
C1 19 g closed position / 8 g open position 19 g closed position / 8 g open position
C2
C2 16 g closed position / 13 g open position 14 g closed position / 8 g open position
Vibration withstand acc. to IEC 60068-2-6 5...300 Hz / 3 g closed position / 2 g open position
Connecting characteristics
Contactor relay types AC operated NS
DC operated NSL
Main terminals

Screw terminals with cable clamp
Connection capacity (min. ... max.)
Pole and coil terminals
Rigid solid 1 x 0.75...2.5 mm²
2 x 0.75...2.5 mm²
Flexible with non insulated ferrule 1 x 0.75...2.5 mm²
2 x 0.75...2.5 mm²
Flexible with insulated ferrule 1 x 0.75...2.5 mm²
2 x 0.75...1.5 mm²
Lugs L ≤ 7.7 mm
l L
l > 3.2 mm
Connection capacity acc. to UL / CSA 1 or 2 x AWG 18...14
Stripping length 9 mm
Tightening torque Recommended 1.00 Nm / 9 lb.in
Max. 1.20 Nm
Degree of protection
acc. to IEC 60947-1 / EN 60947-1 and IEC 60529 / EN 60529
All terminals IP20
Screw terminals Delivered in open position, screws of unused terminals must be tightened
All terminals M3
Screwdriver type Flat Ø 5.5 / Pozidriv 2

1SBC101502S0201

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