Page 58 - Motor_protection_and_control_Manual_motor_starters_ contactors

Main accessories

MS49x, MO49x manual motor starters

General technical data
Type HK4-11 HK4-W HKS4 SK4
Standards IEC/EN 60947–1, IEC/EN 60947-5-1, UL 508, CSA22.2 No. 14
Rated operational voltage U e 230 V AC / 220 V DC 690 V AC / 220 V DC 690 V AC 690 V AC
2 Conventional free-air thermal current I 2.5 A 5 A 10 A 10 A
th
Rated frequency DC, 50/60 Hz
Rated impulse withstand voltage U 6 kV
imp
Rated insulation voltage U i 300 V 300 V 690 V 690 V
Pollution degree 3
Ambient air temperature Operation -20 ... +70 °C
Storage -50 ... +80 °C
Resistance to shock acc. to IEC 60068-2-27 25g / 11 ms
Resistance to vibrations acc. to IEC 60068-2-6 2g / 5 ... 150 Hz
Number of poles 1 N.C. + 1 N.O. Changeover 1 N.C. + 1 N.O. / 2 N.C. + 2 N.O.
2 N.O. / 2 N.C.
I / Rated operational current AC-15
e
acc. to IEC/EN 60947-5-1 for utilization category
24 V 2 A 4 A 6 A 6 A
230 V 0.5 A 3 A 4 A 4 A
400 V - 1.5 A 3 A 3 A
690 V - 0.5 A 1 A 1 A
I / Rated operational current DC-13
e
acc. to IEC/EN 60947-5-1 for utilization category
24 V 1 A 1 A 2 A 2 A
48 V 0.3 A - - -
60 V 0.15 A - - -
110 V - 0.22 A 0.5 A 0.5 A
230 V - 0.1 A 0.25 A 0.25 A
Minimum switching capacity 17 V / 1 mA - -
Short-circuit protective device 10 A Type gG
Duty time 100 %
Mounting Front of MMS Front of MMS Left side of MMS Left side of MMS
Mounting positions 1-6
Mechanical durability 100000 cycles
Electrical durability 100000 cycles

Type UA4-xxx AA4-xxx
Power consumption
Pull-in AC 20.2/13 VA/W 20.2/13 VA/W
DC 20 W 13 … 80 W
Holding AC 7.2/2.4 VA/W -
DC 2.1 W -
Operating voltage
Tripping 0.35 … 0.7 V x U 0.7 … 1.1 V x U
s s
Coil operating voltage 0.85 … 1.1 V x U s -

2CDC131115C0201

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