Part of the Multi9 C60BP series, this 15-amp miniature circuit breaker delivers reliable thermal-magnetic protection for industrial applications. It is specifically designed to handle high inrush currents commonly found in motors and transformers. The unit installs into standard DIN rail panels and is ideal for OEM equipment and control panel builders. Rated for 14 kAIC at 240VAC and 10 kAIC at 480Y/277VAC, the breaker features a D-curve trip profile and includes a padlockable toggle.
What trip curve does the Schneider Electric M9F43215 feature?
The M9F43215 has a D-curve thermal-magnetic trip profile. D-curve breakers are ideal for loads with very high inrush currents, such as motors, transformers, and specific power supplies.
Is the M9F43215 rated as a branch circuit breaker or for supplementary protection?
The M9F43215 is a UL 489 listed miniature circuit breaker, meaning it is fully rated for branch circuit protection. This differs from UL 1077 devices, which are only approved for supplementary protection.
Are field-installable accessories available for the M9F43215?
Yes, the Schneider Electric Multi9 C60BP series supports a variety of modular accessories. You can add auxiliary contacts, fault indicating switches, undervoltage releases, and shunt trips by clipping them directly to the side of the breaker.
What wire sizes are compatible with the M9F43215 terminals?
The screw and clamp tunnel terminals on this breaker accept wire gauges ranging from 18 AWG up to 4 AWG. Always verify proper torque specifications during panel assembly.
Does the M9F43215 require a specific type of mounting hardware?
No proprietary hardware is required. The breaker features a standard clip-on mounting mechanism designed specifically for 35mm DIN rails commonly used in OEM equipment and industrial control panels.
Can the M9F43215 replace older Square D Multi9 breakers?
Yes, the M9F43215 is the current Schneider Electric and Square D catalog number for this 15A, 2-pole, D-curve C60BP breaker. It serves as a direct replacement for equivalent legacy Multi9 UL 489 breakers with matching specifications.
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