Page 606 - Motor protection and control Manual motor starters, contactors and overload relays

4/90 ABB MOTOR PROTECTION AND CONTROL

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

Technical data

Built-in auxiliary contact according to IEC
Types Built-in auxiliary contacts
Standards IEC/EN 60947-1, IEC/EN 60947-5-1
Rated operational voltage Ue max 690 V AC, 440 V DC
Rated frequency (without derating) DC or 50 / 60 Hz
Conventional free-air thermal current lth θ ≤ 55 °C 10 A
Ie / Rated operational current AC-15 240 V 6 A
04
400 V 4 A
500 V 2.5 A
690 V 1.5 A
Ie / Rated operational current DC-13 24 V 5 A
48 V 2.5 A
125 V 0.7 A
250 V 0.3 A
440 V 0.15 A
Short-circuit protection device - fuse type gG 10 A
Minimum switching capacity with failure rate
acc. to IEC/EN 60947-5-4 17 V / 5 mA
Maximum electrical switching frequency AC-15 360 cycles/h
DC-13 360 cycles/h
Built-in auxiliary contact according to UL/CSA
Types Built-in auxiliary contacts
Standards UL/CSA 60947-1, UL/CSA 60947-5-1
Maximum operational voltage 600 V AC
Pilot duty A600, Q600
Connection
Contactor types AC operated MC1A, MC2A MC1A..R, MC2A..R
DC operated MC1C, MC2C MC1C..R, MC2C..R
Terminals

Screw terminals with cable clamp Conductors with insulated ring tongue ferrule
Connection capacity
Main conductors (poles + built-in auxiliary terminals)
Rigid: solid 1 x 0.75 ... 4 mm² –
2 x 0.75 ... 2.5 mm² –
Flexible without ferrule 1 or 2 x 0.75 ... 2.5 mm² –
Flexible with ferrule 1 x 0.75 ... 2.5 mm² –
(insulated or not) 2 x 0.75 ... 1.5 mm² –
Lugs Ø mm > – 3.6 mm
ø L
L mm < – 6.6 mm
Connection capacity acc. to UL/CSA 1 or 2 x AWG 12 ... 18 –
Stripping length 9 mm –
Tightening torques 0.8 ... 1.0 Nm / 7 lb.in 0.8 Nm / 7 lb.in
Coil terminals
Rigid: solid 1 or 2 x 0.75 ... 2.5 mm² –
Flexible without ferrule 1 or 2 x 0.75 ... 2.5 mm² –
Flexible with ferrule 1 x 0.75 ... 2.5 mm² –
(insulated or not) 2 x 0.75 ... 1.5 mm² –
ø L Lugs Ø mm > – 3.6 mm
L mm < – 6.6 mm
Connection capacity acc. to UL/CSA 1 or 2 x AWG 12 ... 18 –
Stripping length 9 mm –
Tightening torques 0.8 Nm / 7 lb.in
Degree of protection acc. to IEC/EN 60947-1
and IEC/EN 60529
All terminals IP20
2CDC103063C0202 - Rev. A
Screw terminals (screws of unused terminals must be tightened)
All terminals M3 M3.5
Screwdriver type Flat Ø 5.5 mm / Pozidriv 2