ABB ST203M-K30 Supplementary Protector
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Core Specs
See full specsABB ST203M-K30 - 30A 3 Pole Supplementary Protector
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Description
The ST203M-K30 provides 3-pole supplementary protection for motor control systems. Manufactured by ABB, it is used where UL 489 branch protection is not required. Designed for quick installation, it mounts securely to standard DIN rail. The unit works with System pro M compact accessories for complex control panel layouts. With a K-curve trip, the 30A protector avoids nuisance tripping during high-inrush events. It boasts a 10kA interrupt capacity at 480Y/277VAC.Specifications
| Brand | ABB |
|---|---|
| Series | ST203M |
| Amperage | 30A |
| 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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