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ABB BC25-30-10-01 CONTACTOR

From: | Author:Wang | Time :2025-05-26 | 88 visit: | Share:

ABB BC25-30-10-01 CONTACTOR

Product basic information

Model positioning: Belonging to ABB BC series contactors, suitable for on/off control of industrial circuits, commonly used in scenarios such as motor drives and power distribution systems.

Category: Contactor, mainly used for frequent connection and disconnection of load circuits, with arc extinguishing capability.


Key technical parameters

Electrical parameters

Rated voltage:

Control coil voltage (U c): Supports 24V DC~250V DC (please refer to the specific nameplate).

Main circuit voltage: suitable for industrial standard voltage levels such as 480V AC and 600V AC.

Breaking ability:

At 480V AC, the breaking current can reach 18kA (requires 50A MCCB protection);

At 600V AC, the breaking current is 5kA (requires 90A K5 fuse or 70A MCCB).

Contact configuration:

Main contact: usually 3 poles (1L1, 3L2, 5L3 input; 2T1, 4T2, 6T3 outputs).

Auxiliary contacts: may include normally open (NO)/normally closed (NC) contacts (such as 13/14 being NO contacts).


Physical specifications

Dimensions: Width B=54mm, height H=81mm, depth reference for similar models is approximately 100mm.

Installation method: DIN Rail installation, supporting vertical or inclined installation (angle ≤± 30 °).

Terminal type: Main circuit: M4 screw terminal, supporting wire cross-sectional area of 1.5-6mm, torque requirement of 1.7N · m.

Control circuit: M3.5 screw terminal, supporting wire cross-sectional area of 0.75-2.5mm, torque requirement of 1N · m.

Function and application scenarios

Core functions

Motor control: used for the start stop and forward/reverse control of industrial motors, and the adapted power range needs to be calculated in conjunction with the motor current (refer to the breaking capacity parameters).

Load protection: Cooperate with fuses or circuit breakers (such as MCCBs) to achieve overload and short circuit protection.

Signal feedback: Feedback the status of the contactor (such as operation or malfunction) to the control system through auxiliary contacts (NO/NC).


Typical applications

Manufacturing industry: control of conveyor belt motors and start stop of fans in automated production lines.

Energy industry: power on/off control in power switchgear, compatible with photovoltaic inverters or energy storage systems.

Building equipment: motor drive and protection for elevators and air conditioning systems.


Installation and operation points

Installation environment

Temperature range: -20 ° C~+55 ° C. Ensure good ventilation to avoid contact oxidation in high temperature environments.

Protection level: IP20 (preventing solid foreign objects), needs to be installed inside the control cabinet to avoid direct exposure to dust or humid environments.

Wiring specifications

Main circuit: When connecting the motor or load, it is necessary to connect the 1L1/3L2/5L3 input terminals in phase sequence, and connect the 2T1/4T2/6T3 to the load terminal.

Control circuit: The coil terminals (A1/A2) must be strictly matched with voltage levels (such as 24V DC or 230V AC) to avoid reverse connection or overvoltage.

Grounding: The metal casing must be reliably grounded, comply with EMC standards, and reduce electromagnetic interference.

Maintenance suggestions

Regularly check the wear of the contacts and remove any signs of arc erosion.

Test whether the coil resistance meets the nominal value to avoid contactor refusal due to coil aging.

NEW ABB BC25-30-10-01 CONTACTOR BC25301001 - SB Industrial Supply, Inc.

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