Circuit Protection

MCCB 1000A Thermal Magnetic Adjustable Circuit Breaker

Walax 1000A molded case circuit breaker with adjustable thermal-magnetic protection, overload adjustable from 0.7 to 1.0×In. A main-incomer breaker for large distribution boards and industrial switchgear.

1000A Main Incomer

Handles large incoming supplies for industrial switchgear and distribution.

0.7–1.0×In Overload

Wide overload adjustment allows precise matching to the actual load.

High Breaking Capacity

50–65kA withstands the high fault levels of large installations.

Specifications

Technical Specifications

Standard ratings listed below – custom configurations available on request. Contact our engineers to confirm parameters for your market.

StandardIEC 60947-2 · CE
Rated current (In)1000A
Poles3P / 4P
Rated voltageAC 400V / 690V (50/60Hz)
Breaking capacity50kA – 65kA
Trip typeThermal-magnetic (adjustable)
Overload adjustment0.7 – 1.0 × In
MountingFixed / draw-out
Mechanical life≥ 10,000 operations
Ambient temperature-5°C to +40°C
Applications

Where These Breakers Ship

Main incomers for industrial plants, commercial buildings and large distribution boards. The 1000A rating and adjustable overload suit substantial electrical infrastructure.

FAQ

Frequently Asked Questions

The overload setting is adjustable from 0.7 to 1.0 times the rated current.
Yes – fixed and draw-out versions are available for maintenance-friendly switchgear.
50–65kA depending on the frame and voltage.
Yes – IEC 60947-2 type-test reports and CE documentation accompany every shipment.
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