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- Motor Contactors
Product Description

The miniature AC contactor is mainly suitable for power systems with AC 50Hz/60Hz, rated operating voltage up to 400V and rated operating current up to 125A, in utilization category AC-1 (non-inductive or low-inductivity loads, resistance furnaces, household appliances and similar low-inductivity loads), used for control circuits, household motor loads.
Domestic contactors are not used to interrupt short-circuit current, so appropriate short-circuit protection devices (such as small circuit breakers) should be chosen.
Comply with IEC61095, GB17885 standards. IEC60947-4-1, GB/T 14048.4.
BCT AC Contactor Specifications
Product Type | AC Contactor |
Application | Household appliances, household motors |
Control voltage | 12/24/110/220 VAC |
Contact type | 2NC |
Frequency | 50/60Hz |
Current rating (Ith) | 63A; Ui : 500V; Ue: 250V; AC-7a 63A, AC-7b 25A |
Maximum Power | 1.6W |
Uimp | 2.5kV (4kV for 12/24/48VAC) |
Operating temperature | -5℃~+60℃ |
Storage temperature | -40℃~+70℃ |
Pollution Level | II. |
Endurance (O-C) | 1,000,000 cycles |
Electrical | 100,000 cycles |


FUNCTION AND APPEARANCE
- Modular control device with compact size.
- Rail-mounted, standardized dimensions, and enhanced safety.
- Features a direct-acting inverted design, allowing combined installation with miniature circuit breakers in control and lighting panels.
Terminal Design:
- Tunnel-type terminals ensure simple, reliable wiring with a double-clamp structure for secure conductor retention.
Status Indication:
- Break-make display provides clear visual feedback for ON/OFF states, enhancing operational monitoring.
Safety Housing:
- Flame-retardant thermoset shell resists ignition—exposed to flames, it chars gradually without sustained combustion.
Note:
- AC contactors are designed for AC power input, with key components like electromagnetic and contact systems tailored for AC characteristics. They must not be powered by DC, as they only operate stably within specified AC voltage ranges.
- When Using Class 2 Contactors:If contactors or contactors and circuit breakers are installed side by side, spacing plates must be added between them to ensure proper heat dissipation.Derating is required if the internal temperature of the distribution panel exceeds limits.

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