ABB SU203M-C50 Circuit Breaker
- 50A
- 3 Pole
- DIN Rail
Quantity
ABB SU203M-C50 3 Pole Circuit Breaker
New
Quantity
Description
ABB SU203M-C50 3 Pole Circuit Breaker
The ABB SU203M-C50 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 50 Amps and a voltage rating of 277/480VAC, 96VDC. It has an interrupting rating of 10kAIC at 240VAC.
Specifications
| Brand | ABB |
|---|---|
| Series | SU200M |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 96VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 96VDC |
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| Wire Gauge | 18-4 AWG |
| Max Wire | 4 AWG |
| Min Wire | 18 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Standards | WEEE, RoHS, REACh |
|---|---|
| Approval | CE, UKCA, CSA, IEC/EN, UL |
| Temp Rating | -25 to 55 °C |
Product FAQs
8 answersWhat is the global catalog number for the ABB SU203M-C50?
The SU203M-C50 is also identified by the ABB global catalog number 2CDS273337R0504.
What trip curve does the SU203M-C50 miniature circuit breaker use?
This breaker features a C-curve trip characteristic. It is designed to trip instantaneously at 5 to 10 times the rated current, making it suitable for loads with moderate inrush currents like small motors and lighting.
What safety standards does the SU200M series meet for North American markets?
The SU200M series is fully certified as a UL 489 and CSA 22.2 No. 5 device, allowing it to be used for primary branch circuit protection rather than just supplementary protection.
How is the SU203M-C50 circuit breaker mounted?
This miniature circuit breaker is designed for standard 35mm DIN rail mounting, which is typical for industrial control panels and automation enclosures.
What type of wire terminals are equipped on this breaker?
It features failsafe bi-directional cylinder-lift terminals. This double clamp design allows for simultaneous connection of a wire conductor and a busbar.
How can I verify the contact position of the SU203M-C50?
The breaker includes a real Contact Position Indication (CPI) window that is directly linked to the internal moving contacts. It displays red when the contacts are closed (ON) and green when they are open (OFF).
Is the SU203M-C50 suitable for direct current (DC) circuits?
Yes, in addition to its AC ratings, this breaker is UL and CSA certified for DC applications up to 96VDC.
Can I use standard System pro M compact accessories with this breaker?
Yes, the SU200M series is fully compatible with ABB System pro M compact UL 489 accessories, including auxiliary contacts and shunt trips.
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