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Schneider Electric M9F44102 2A 1-pole DIN-rail miniature circuit breaker, light-grey plastic housing, screw-clamp terminals

Schneider Electric

Schneider Electric M9F44102 C60BP 2A 1-pole miniature circuit breaker

SKU CH-MRCK-2QT7C

IEC miniature circuit breaker rated 2 A, 1-pole with Z-curve thermal-magnetic trip, 14 kA interrupting at 120/240 V AC, DIN-rail mount, screw-clamp terminals for 18–8 AWG wire

  • Protects 2 A branch circuits with thermal-magnetic trip
  • 14 kA interrupting capacity at 120/240 V AC
  • Fits standard DIN-rail load centres
  • Screw-clamp terminals accept 18 to 8 AWG wire
  • UL 489 listed for 240/277/480 V AC and 60 V DC

Purpose and audience

The Schneider Electric M9F44102 is a single-pole miniature circuit breaker rated at 2 amps for branch-circuit protection. It serves electricians and panel builders who need reliable over-current protection on DIN-rail mounted load centres.

Upgrade path

The C60BP series replaces older thermal-magnetic breakers that lack a Z-curve characteristic or a 14 kA interrupting rating at 120/240 V AC. The jump is worth it when an installation demands tighter short-circuit response and compliance with UL 489 for 240/277/480 V AC and 60 V DC systems.

Build integration

The unit mounts on standard DIN rail and accepts conductors from 18 AWG to 8 AWG via screw-clamp terminals. Its 4.06 in length, 0.71 in width and 2.83 in depth fit within a 63 A frame envelope, freeing rail space for additional modules while meeting the same mounting footprint.

Highlights

  • Protects 2 A branch circuits with thermal-magnetic trip
  • 14 kA interrupting capacity at 120/240 V AC
  • Fits standard DIN-rail load centres
  • Screw-clamp terminals accept 18 to 8 AWG wire
  • UL 489 listed for 240/277/480 V AC and 60 V DC

Specifications

BrandSCHNEIDER ELECTRIC

Questions about this item

What DIN-rail width does the C60BP 2 A single-pole breaker require?

The C60BP mounts on standard DIN rail; its own width is 0.71 in.

Which step is often missed when wiring the screw-clamp terminals?

Strip the conductor to the length marked on the housing, then tighten the screw-clamp to the specified torque so the 18–8 AWG wire is fully secured.

When should the thermal-magnetic breaker be replaced after a fault?

Replace the breaker if it has interrupted a short-circuit at or near its 14 kA AIR rating, shows discoloration, or no longer holds the 2 A rated current without nuisance tripping.

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