Page 604 - Motor protection and control Manual motor starters, contactors and overload relays

4/88 ABB MOTOR PROTECTION AND CONTROL

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MC1, MC2 3-pole and 4-pole mini contactors

Technical data

Main pole – Utilization characteristics according to UL/NEMA/CSA
Contactor types AC operated MC1A MC2A
DC operated MC1C MC2C
Standards UL/CSA 60947-1, UL/CSA 60947-4-1
Maximum operational voltage 600 V AC
UL/CSA general use rating 20 A / 600 V
UL/CSA maximum 1-phase motor rating
04
for air temperature close to contactor θ ≤ 40 °C
Full load current 115 V AC 9.8 A 9.8 A
230 V AC 10 A 12 A
Horse power rating 115 V AC 0.5 hp 0.5 hp
230 V AC 1.5 hp 2 hp
UL/CSA maximum 3-phase motor rating
for air temperature close to contactor θ ≤ 40 °C
Full load current (1) 200 V AC 11 A 11 A
240 V AC 9.6 A 9.6 A
380-415 V AC 6.1 A 9.7 A
440-480 V AC 7.6 A 11 A
550-600 V AC 6.1 A 11 A
Horse power rating (1) 200 V AC 3 hp 3 hp
240 V AC 3 hp 3 hp
380-415 V AC 3 hp 5 hp
440-480 V AC 5 hp 7.5 hp
550-600 V AC 5 hp 10 hp
Short-circuit protection device for contactors
without thermal overload relay - motor protection excluded
Fuse rating 600 V 50 A
Fuse type 600 V Class J
(1) For the corresponding kW/A or hp/A values of 1500 r.p.m, 50 Hz or 1800 r.p.m, 60 Hz, 3-phase motors, see "Motor rated operational powers and currents".

General technical data
Contactor types AC operated MC1A MC2A
DC operated MC1C MC2C
Rated insulation voltage Ui
acc. to IEC/EN 60947-4-1 750 V
acc. to UL/CSA 60947-4-1 600 V
Rated impulse withstand voltage Uimp 6 kV (1)
Ambient air temperature, close to contactor
Operation Fitted with thermal overload relay -25 ... +55 °C
Without thermal overload relay -40 ... +55 °C
Storage -55 ... +80 °C
Climatic withstand Acc. to IEC 60947-1 Annex Q
Maximum operating altitude (without derating) 3000 m
Mechanical durability 107 operating cycles
Electrical durability
AC-1 20 A 210 000 operating cycles 260 000 operating cycles
AC-3 400 V 900 000 operating cycles (9 A) (2) 800 000 operating cycles (12 A) (2)
AC-4 400 V 30 000 operating cycles (9 A) (2) 35 000 operating cycles (9 A) (2)
Resistance to shock Half-sine
acc. to IEC/EN 60068-2-27 25 g / 11 ms
acc. to IEC/EN 60947-1 Annex. Q Category E
Resistance to vibrations Sinusoidal
acc. to IEC/EN 60068-2-6 5 g / 3 ... 150 Hz
acc. to IEC/EN 60947-1 Annex. Q Category E
(1) 2 mm clearance distance between contactor side wall and grounded metal parts of cabinet required
(2) Valid for 3-pole mini contactors only. Other ratings on request.

2CDC103063C0202 - Rev. A