The ABB SU202M-C10 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 10 Amps and a voltage rating of 277/480VAC, 96VDC. It has an interrupting rating of 10kAIC at 240VAC.
What does the C trip curve indicate on the SU202M-C10?
The C trip curve means the breaker is designed to trip between 5 and 10 times its rated current. This characteristic is ideal for handling medium inrush currents typically found in standard lighting loads, control circuits, and small motors without nuisance tripping.
Is the SU202M-C10 rated for branch circuit or supplementary protection?
This breaker is UL 489 listed, meaning it is approved for primary branch circuit protection. It can be used as a standalone protective device, unlike UL 1077 devices which are limited to supplementary protection.
How is the SU202M-C10 installed in a control panel?
This miniature circuit breaker snaps directly onto a standard 35mm DIN rail. The compact design allows for high-density mounting in industrial control panels and automation enclosures.
Is the SU202M-C10 suitable for direct current applications?
Yes, the SU200M series is certified by UL and CSA for both AC and DC use. It can be safely integrated into control panels and automation systems that require reliable DC branch circuit protection.
What type of terminals does the SU202M-C10 use for wiring?
It is equipped with failsafe bi-directional cylinder-lift terminals. This design allows for simultaneous connection of standard conductors and busbars, ensuring secure and flexible installation in crowded panels.
Does the SU202M-C10 provide visual trip indication?
Yes, it features a real Contact Position Indication (CPI) window. This provides a clear visual status with red indicating ON and green indicating OFF, directly connected to the moving contact for reliable safety verification.
Are the terminals on the SU202M-C10 finger safe?
Yes, the breaker features IP20 rated cylinder-lift terminals. This finger-safe design helps protect installers and maintenance personnel from accidental contact with live electrical components.
Which accessories are compatible with the SU202M-C10?
This breaker is fully compatible with the ABB System pro M compact UL 489 accessory line. This includes compatible auxiliary contacts, shunt trips, and busbar systems designed for the SU200M series.
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