ABB S203U-K10 Circuit Breaker
- 10
- 3 Pole
- Din Rail
Quantity
ABB S203U-K10 3 Pole Circuit Breaker
New
Quantity
Description
ABB S203U-K10 3 Pole Circuit Breaker
The ABB S203U-K10 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 10 Amps and a voltage rating of 240VAC. It has an interrupting rating of 10kAIC at 240V. The S203U-K10 has a din rail mounting type and includes long-time and instantaneous trip functions.
Specifications
Product FAQs
6 answersWhat is the trip curve characteristic of the ABB S203U-K10?
This breaker features a K-curve thermal-magnetic trip characteristic. It is designed to handle high magnetic start-up currents from motors and transformers, with instantaneous tripping occurring between 8 and 12 times the rated current.
Is the S203U-K10 rated for branch circuit protection?
Yes, the S200U series is UL 489 and CSA C22.2 No. 5.0 listed for use as a molded case circuit breaker for branch circuit protection.
How is the ABB S203U-K10 mounted?
This miniature circuit breaker is designed to snap onto a standard 35mm DIN rail. It features a quick-fastening system for easy installation and removal from the busbar.
What wire sizes are compatible with the terminals on the S203U-K10?
The terminals accept 18 AWG to 4 AWG conductors. The recommended tightening torque for the terminal screws is 25 in-lbs.
Does the S203U-K10 feature finger-safe terminals?
Yes, it is equipped with IP20-rated finger-safe terminals to protect installers and operators from accidental contact with live electrical parts.
Is the S203U-K10 compatible with ABB busbar systems?
Yes, it features dual terminal spaces on the top and bottom, allowing for the simultaneous connection of cables and ABB busbars.
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