The HM1 series MCCB offers rated current from 10A to 630A, operating voltage up to 415V, insulation voltage 800V, and impulse withstand voltage 8kV. Unique overload alarm (non‑trip) function ensures power continuity while signalling overload. Compliant with IEC60947‑1/2.
The HM2 series moulded case circuit breaker features zero flying arc, compact modular design, and high breaking capacity (up to 50kA). Rated insulation voltage 750V, working voltage up to 690V, current up to 1250A. Ideal for infrequent circuit switching and motor starting. IEC60947‑1/2 compliant.
HM3 series moulded case circuit breaker features rated insulation voltage 1000V, impulse withstand 8kV, and breaking capacity up to 85kA at 415V (Ics=100% Icu). Adjustable rated current (80%-100%) with optional dial sealing device. Ideal for precise circuit protection in demanding applications.
Rated from 125A to 800A, with breaking capacity up to 85kA at 415V. Adjustable current setting (80%–100% of rated value) and optional dial sealing device. Suitable for distribution panels, motor protection, and industrial power control.
| Model | Frame Size (AF) | Rated Current Range (A) | Breaking Capacity Icu at 415V | Poles | Adjustable Setting |
|---|---|---|---|---|---|
| HM3-125 | 125 | 16-125 | 38kA | 3P, 4P | 80%-100% |
| HM3-250 | 250 | 100-250 | 50kA | 3P, 4P | 80%-100% |
| HM3-400 | 400 | 200-400 | 65kA | 3P, 4P | 80%-100% |
| HM3-630 | 630 | 315-630 | 85kA | 3P, 4P | 80%-100% |
| HM3-800 | 800 | 400-800 | 85kA | 3P, 4P | 80%-100% |
Our partner factories are ISO9001 and CE certified. Every HM3 series MCCB complies with IEC/EN 60947-2 standards, and each unit is fully tested before shipment to ensure consistent performance.
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Address: No. 8278, Liuhuang Rd, Liushi Town, Yueqing City, Wenzhou City, China
Telephone: +86-18058373055
Phone: +86 18058373055
E-mail: admin@hongxi-electric.com
