Schneider Electric M9F11116 Miniature Circuit Breaker

Product Description

The SCHNEIDER ELECTRIC M9F11116 is a 1-pole miniature circuit breaker (MCB) rated for 16 amps at 440 VAC. It uses a magnetic tripping mechanism, which responds to overload and short-circuit conditions by interrupting the circuit without requiring a thermal element. The M9F11116 mounts on standard DIN rail, making it a direct fit for industrial control panels, distribution boards, and electrical enclosures. Box lug terminals accept wire sizes from 18 to 4 AWG, and the toggle-switch reset actuator allows fast manual reset after a trip event. Licensed electricians and panel builders install this breaker in commercial and industrial applications where compact, reliable overcurrent protection is required.

This single-pole MCB is suited for branch-circuit protection in control panels, machine tool wiring, HVAC equipment panels, and similar industrial or commercial electrical systems. Its magnetic-only trip action makes it appropriate where precise current limiting is needed without thermal time-delay characteristics. The DIN rail mounting format integrates cleanly into modular enclosure layouts alongside contactors, terminal blocks, and other DIN-mounted components. Multiple breaking capacity ratings support use across a range of fault-current environments.

Key Features

• Magnetic trip mechanism provides fast response to overloads and short circuits
• 16 amp continuous current rating at 440 VAC
• 1-pole configuration for single-phase branch circuit protection
• DIN rail mount for easy integration into modular panel layouts
• Box lug terminals accept 18 to 4 AWG conductors
• Toggle-switch reset actuator for quick manual reset after trip

Compatibility

Designed for standard DIN rail installation in industrial control panels, commercial distribution boards, and HVAC equipment enclosures requiring single-pole miniature circuit breaker protection at 440 VAC.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize and lock out the panel before mounting or wiring the breaker. Verify that conductor size falls within the 18 to 4 AWG range supported by the box lug terminals and that the panel bus voltage does not exceed the 440 VAC rating. Do not exceed the 16-amp continuous current rating for the protected circuit.