ABB S203UP-K10 Circuit Breaker
Quantity
Core Specs
See full specsABB S203UP-K10 3 Pole Circuit Breaker
New
Quantity
Description
ABB S203UP-K10 3 Pole Circuit Breaker
The ABB S203UP-K10 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 10 Amps and a voltage rating of 480Y/277VAC. It has an interrupting rating of 10kAIC at 240V. The S203UP-K10 has a din rail mounting type and includes long-time and instantaneous trip functions.
Specifications
Product FAQs
7 answersWhat type of loads is the K trip curve on this breaker designed for?
The K trip curve is engineered for inductive loads with high inrush currents, such as motors and transformers. It prevents nuisance tripping during system startup while maintaining fast response times for short circuit protection.
Is the ABB S203UP-K10 rated for branch circuit protection?
Yes. The S200UP series is UL 489 listed, which means it is fully approved for use as a primary branch circuit protection device. This distinguishes it from UL 1077 devices, which are only rated for supplementary protection.
How is the S203UP-K10 installed in an electrical panel?
This miniature circuit breaker snaps directly onto a standard 35mm DIN rail. It features failsafe bi-directional cylinder-lift screw terminals to ensure secure and reliable wire connections.
What wire sizes are compatible with the terminals on this breaker?
The screw terminals on the S203UP-K10 accept standard conductors ranging from 18 AWG to 4 AWG. They are also compatible with 18 AWG to 8 AWG busbars.
Can the S203UP-K10 be reverse fed?
Yes, this circuit breaker is suitable for reverse feed applications. Power can be supplied to either the top or bottom terminals without compromising the protection characteristics.
Is this breaker compatible with standard ABB modular accessories?
Yes. As part of the ABB System pro M compact range, the S203UP-K10 accepts a wide variety of field-installable accessories, including auxiliary contacts, shunt trips, and bell alarms.
What is the enclosure rating of the S203UP-K10?
The breaker features an IP20 rated housing, which provides basic finger-safe protection for personnel. It must be installed within an appropriate electrical panel or enclosure to achieve full environmental protection.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.