Hager Type B Curve MCB 25A Single Pole 6kA MTN125

Hager MTN125: 25A B Curve Single Pole Miniature Circuit Breaker (MCB) with 6kA breaking capacity and 1 module width.

Safety & Reliability

This Hager miniature circuit breaker protects single-phase circuits against overload and short-circuit faults, cutting power automatically before damage or fire risk can develop. The B curve tripping characteristic is matched to resistive and lighting loads, so it trips reliably without nuisance tripping on normal start-up currents.

Rated short-circuit breaking capacity is 6kA (Icn) to BS EN 60898 and 10kA (Icu) to IEC 60947-2, giving installers a proven safety margin above standard domestic fault levels. A rated impulse-withstand voltage of 4kV adds further protection against transient surges.

Compact, Space-Saving Design

At just one modular spacing (17.5mm), this mini circuit breaker fits standard DIN rail consumer units without eating into available board space, useful where multiple circuits need protecting in a compact enclosure. The single pole design keeps wiring straightforward on single-phase domestic and light commercial installations.

Installation & Compliance

Terminals accept solid and multi-wire conductors, and the unit is rated to IP20 for safe handling once installed within an enclosure. Compliant with BS EN 60898, this Hager MCB is built for straightforward first-fix installation and long-term reliability on protected circuits.

Key Features of the Hager MTN125 Miniature Circuit Breaker (MCB) Include:

• Protects Circuits Against Overload & Short-Circuit Faults
• 25A Rated Current Suits Domestic & Light Commercial Circuits
• B Curve Tripping Characteristic For Resistive & Lighting Loads
• 6kA Breaking Capacity (Icn) To BS EN 60898
• 10kA Breaking Capacity (Icu) To IEC 60947-2 For Added Safety Margin
• Rated Impulse-Withstand Voltage Of 4kV Protects Against Surges
• Single Pole, 1 Module Width (17.5mm) Saves Board Space
• Rated Voltage: 400V AC, 50Hz
• Ingress Protection: IP20
• Connectable Conductor Cross Section: 1mm² (Solid & Multi-Wire)
• Pollution Degree: 2, Current Limiting Class: 3
• Compliant With BS EN 60898

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