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M9U21240 Schneider Electric
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The Schneider Electric M9U21240 is a miniature circuit-breaker (MCB) in the Multi 9 C60H-DC series. It is a 2-pole, thermal-magnetic protection device rated for direct current (DC) distribution systems. Designed for installation on DIN rails, it provides overload and short-circuit protection in DC control panels, photovoltaic systems, battery backup lines, and other industrial DC applications. Typical working voltages include 220 V DC, 440 V DC, and 500 V DC. M9U21240 ensures isolation and secure disconnection in line with IEC/EN 60947-2 requirements.
Best Suited For
- DC distribution panels
- Photovoltaic system protection
- Battery backup circuits
- Industrial DC control applications
Technical Specifications
I/O & Electrical
Communication & Power
Physical & Environmental
Certifications
Conforms to IEC/EN 60947-2, GB 14048.2, UL 1077; Utilisation category A; Suitable for isolation; Product certifications: IEC, CCC, UR.