Page 180 - Motor_protection_and_control_Manual_motor_starters_ contactors

NS and NSL contactor relays

Technical data

Contact utilization characteristics according to IEC
Contactor relay types AC operated NS
DC operated NSL
Standards IEC 60947-5-1 and EN 60947-5-1
Rated operational voltage Ue max. 690 V
Rated frequency (without derating) 50 / 60 Hz
Conventional free-air thermal current Ith - θ ≤ 40 °C 10 A
Ie / Rated operational current AC-15
acc. to IEC 60947-5-1 24-127 V 50/60 Hz 6 A
220-240 V 50/60 Hz 4 A
400-440 V 50/60 Hz 3 A
4 500 V 50/60 Hz 2 A
690 V 50/60 Hz 2 A
Making capacity AC-15 10 x Ie AC-15 acc. to IEC 60947-5-1
Breaking capacity AC-15 10 x Ie AC-15 acc. to IEC 60947-5-1
Ie / Rated operational current DC-13
acc. to IEC 60947-5-1 24 V DC 6 A / 144 W
48 V DC 2.8 A / 134 W
72 V DC 1 A / 72 W
110 V DC 0.55 A / 60 W
125 V DC 0.55 A / 69 W
220 V DC 0.27 A / 60 W
250 V DC 0.27 A / 68 W
Short-circuit protection device for contactors
Ue ≤ 500 V AC - gG type fuse 10 A
Rated short-time withstand current Icw for 1.0 s 100 A
for 0.1 s 140 A
Minimum switching capacity 12 V / 3 mA
with failure rate acc. to IEC 60947-5-4 10
-7
Non-overlapping time between N.O. and N.C. contacts 1.5 ms
Power dissipation per pole at 6 A 0.1 W
Max. electrical switching frequency AC-15 1200 cycles/h
DC-13 900 cycles/h
Mechanically linked contacts Built-in N.O. or N.C. auxiliary contacts and additional N.O. or N.C. auxiliary contacts (CA3 aux. con-
acc. to annex L of IEC 60947-5-1 tact blocks) are mechanically linked contacts.
Contact utilization characteristics according to UL / CSA
Contactor relay types AC operated NS
DC operated NSL
Standards UL 508, CSA C22.2 N°14
Max. operational voltage 600 V AC, 250 V DC
Pilot duty A600, Q300
AC thermal rated current 10 A
AC maximum volt-ampere making 7200 VA
AC maximum volt-ampere breaking 720 VA
DC thermal rated current 2.5 A
DC maximum volt-ampere making-breaking 69 VA

1SBC101502S0201

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