Designed to protect commercial and industrial circuits, this 50A miniature circuit breaker offers precise thermal-magnetic operation. It is frequently utilized within OEM control panels and automated machinery requiring UL 1077 supplementary protection. The 3-pole device fastens easily to DIN rail enclosures. It also serves as a functional substitute for S203-C50 and FAZ-C50/3-SP configurations. Equipped with a C-curve trip profile, it effectively manages loads with standard inrush demands.
CSA C22.2 No 235, EN/IEC 60947-2, GB 14048.2, UL 1077
Approval
CCC, CE, CSA, IEC, UR
Temp Rating
-30C to 70C
Construction Features
RoHS Compliant, Mercury Free, Reverse Feed
Product FAQs
7 answers
What is the trip curve for the M9F22350 circuit breaker?
The M9F22350 features a C-curve tripping characteristic. The magnetic trip is calibrated to operate at approximately 8.5 times the rated current, making it suitable for general control circuits and loads with moderate inrush currents.
Is the Schneider Electric M9F22350 rated as a branch circuit breaker?
No, the M9F22350 is a UL 1077 recognized supplementary protector. It is not a UL 489 listed branch circuit breaker and must be used in conjunction with an appropriate upstream branch overcurrent protective device.
Can I add auxiliary contacts or shunt trips to the M9F22350?
Yes, the Multi 9 C60SP series supports field-installable electrical accessories. You can mount auxiliary contacts, fault indicating contacts, shunt trips, and undervoltage releases directly to the left side of the breaker without tools.
What type of DIN rail is required to mount the M9F22350?
The breaker is designed to clip directly onto standard 35mm DIN rail. Its modular design requires 6 pitches of 9mm, taking up 54mm of total width inside your enclosure or control panel.
What is the operating temperature range for the M9F22350?
The M9F22350 is rated for an operating temperature range of -30 to 70 degrees Celsius (-22 to 158 degrees Fahrenheit), allowing it to perform reliably in demanding industrial environments.
What wire sizes are compatible with the terminals on the M9F22350?
The integrated screw clamp terminals accept conductors from 18 AWG up to 2 AWG. Ensure proper torque specifications are followed during installation to maintain a secure connection.
What type of fault protection does the M9F22350 thermal-magnetic trip unit offer?
The thermal-magnetic mechanism provides dual protection. The thermal element protects against sustained overloads, while the magnetic element responds immediately to short-circuit faults to protect sensitive equipment.
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