ABB ST203M-K10 Supplementary Protector
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Core Specs
See full specsABB ST203M-K10 - 10A 3 Pole Supplementary Protector
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Description
Built for motor control applications, the ST203M-K10 is a 3-pole supplementary protector from ABB. It safeguards control circuits where branch protection is already provided. This unit installs onto 35mm DIN rail and integrates with System pro M compact accessories. It features a trip-free mechanism and finger-safe terminals. Rated 10A with a K-curve, it handles high inrush currents. It delivers a 10kA interrupt capacity at 480Y/277VAC for reliable UL 1077 compliance.Specifications
| Brand | ABB |
|---|---|
| Series | ST203M |
| Amperage | 10A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 480Y/277VAC, 125VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 480Y/277VAC, 10kA @ 125VDC |
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | System pro M compact accessories |
| 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 Curve | K |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Signal Contact, Shunt Trip, Undervoltage Release, Busbar System, Padlock Attachment |
|---|---|
| Accessories | Auxiliary Contact, Shunt Trip, Signal Contact, Undervoltage Release |
| Standards | CSA C22.2 No. 235, IEC 60947-2, UL 1077 |
| Approval | CCC, CE, CSA, EAC, IEC, UR, VDE |
| Temp Rating | -25C to 55C |
| Construction Features | Current Limiting, Reverse Feed, Trip-Free Mechanism, Visual Trip Indicator |
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