Overview
The Merlin Gerin 24430 C6A is a single-pole, 6-amp miniature circuit breaker (MCB) in the Multi 9 C60 series. This breaker is rated 240-277V and features a 6,000A breaking capacity at 240V, making it suitable for overcurrent protection in industrial automation panels, control equipment, and machinery branch circuits. The unit is UL/CSA-approved as a supplementary protector per UL 1077 and CSA 22.2 No. 235.
Key Features
- Single-pole configuration with 6A current rating
- 6,000A breaking capacity at 240V; 10,000A at 415V IEC rating
- Rated 240-277V (UL/CSA) or up to 400V (IEC versions available)
- Compact rail-mount design fits standard DIN symmetrical rails
- Serrated tunnel terminals with flap for quick, secure connections
- 20,000 mechanical cycle durability (open-close)
- Field-installable accessories: shunt trip (MX+OF), auxiliary switch (OF), alarm switch (SD)
Technical Specifications
- Manufacturer: Merlin Gerin (Schneider Electric trademark)
- Model Number: 24430
- Series: Multi 9 C60
- Rated Current: 6A
- Number of Poles: 1P (single-pole)
- Voltage Rating (UL/CSA): 240-277V AC
- Breaking Capacity: 6,000A RMS sym. at 240V / 10,000A at 415V (IEC)
- Mechanical Durability: 20,000 cycles (O-C)
- Terminal Type: Serrated tunnel terminals with captive screws
- Mounting: DIN rail (symmetrical rail)
- Weight: 120g
- Approval Standards: UL 1077, CSA 22.2 No. 235, IEC 60898
- Ambient Operating Temperature: Rated at 25°C; 95% humidity tropicalization available
- Condition: New – No Box
Typical Applications
The Merlin Gerin 24430 C6A is commonly used in:
- Industrial control panels and PLC enclosures requiring branch-circuit protection
- Machinery and equipment overcurrent protection
- Automation distribution boards and motor control centers
- Building management systems and supplementary distribution circuits
- Equipment where a low 6A threshold is required for sensitive loads
Compatibility & Replacements
Compatible With
- Schneider Electric Multi 9 DIN rail systems
- Standard 35mm symmetrical DIN rail installations
- Comb busbars designed for Multi 9 breakers
- UL and CSA-certified industrial control panels
- IEC 60939-1 standard compliant systems (rail-mount)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Merlin Gerin 24430 is a specific model; confirm that replacement or interchange is required with original equipment documentation.
Works With
- Multi 9 auxiliary switches (OF), shunt trip modules (MX+OF), and alarm contacts (SD)
- Schneider Electric protection coordination software
- UL/CSA-compliant industrial automation networks and systems
- Comb busbar solutions for simplified Multi 9 panel wiring




