The ABB S202UP-K8 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 8 Amps and a voltage rating of 480Y/277VAC. It has an interrupting rating of 10kAIC at 480V. The S202UP-K8 has a din rail mounting type and includes long-time and instantaneous trip functions.
What type of loads is the K-curve on this ABB circuit breaker designed for?
The K-curve characteristic is engineered for applications with high inrush currents, such as motors, transformers, and highly inductive loads. It provides robust protection against overloads and short circuits while preventing nuisance tripping during normal startup spikes.
Is the ABB S202UP-K8 rated for branch circuit protection?
Yes, the S200UP series is UL 489 tested and listed, making it suitable for primary branch circuit protection in North American and global markets.
How is the S202UP-K8 circuit breaker mounted?
This miniature circuit breaker is designed to snap directly onto a standard 35mm DIN rail. It can be mounted in either a vertical or horizontal position inside the panel.
What are the accepted wire sizes and torque specifications for the terminals on this breaker?
The main terminals accept solid or stranded copper wire ranging from 18 AWG to 4 AWG. The recommended tightening torque for the screw terminals is 17.5 in-lbs using a No. 2 Pozidriv screwdriver.
Can I add auxiliary contacts or shunt trips to the S202UP-K8?
Yes, this breaker is part of the ABB System pro M compact family and is fully compatible with standard S200 series accessories, including auxiliary contacts, signal contacts, and shunt trips.
Can this breaker be connected using a busbar system?
Yes, the dual-terminal design features two separate slots, allowing you to connect a dedicated ABB cut-to-length busbar and incoming cables simultaneously.
Does this ABB miniature circuit breaker feature touch-safe terminals?
Yes, it is equipped with patented IP20 finger-safe terminals to protect installers and maintenance personnel from accidental contact with live electrical parts.
Is there a lockout device available for this 2-pole breaker?
Yes, the ABB S2C-LOTO-L lockout/tagout device can be field-installed on this breaker to secure it in the OFF position during maintenance.
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