The ABB SB203M-C25 Miniature Circuit Breaker (MCB) is an advanced 3-pole 25A circuit breaker from the System pro M compact SB200M series. Designed for residential, commercial, and industrial applications, this MCB ensures overload and short circuit protection with its dual tripping mechanism – a delayed thermal tripping mechanism for overload protection and an electromechanic tripping mechanism for short circuits.
✅ Rated Current – 25A
✅ Poles – 3P
✅ Breaking Capacity – Up to 10 kA at 240/415V AC
✅ Tripping Characteristics – C-curve (suitable for standard loads with medium inrush current)
✅ Compliance – IS/IEC 60898-1 certified for safety & reliability
✅ Applications – Ideal for homes, offices, factories & industrial setups
✅ Configuration Options – Available in 1P, 1P+N, 2P, 3P, 3P+N, 4P variants
Shansen Enterprises, an Authorized Channel Partner of ABB, offers this high-quality MCB with ready stock availability in Coimbatore and across India. We provide fast dispatch within 48 hours through courier and transport services for efficient doorstep delivery.
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| Technical | Specifications |
|---|---|
| Rated Operational Current (Ie): | 25 A |
| Rated Service Short-Circuit Breaking Capacity (Ics): | 7.5 kA |
| Energy Limiting Class: | 3 |
| Electrical Endurance: | 20000 AC cycle |
| Mechanical Endurance: | 20000 cycle |
| Number of Protected Poles: | 3 |
| Number of Poles: | 3P |
| Tightening Torque: | 2 N·m |
| Actuator Type: | Toggle |
| Screw Terminal Type: | Cage Terminal |
| Actuator Marking: | I / O |
| Actuator Material: | Insulation Group II, Black, Sealable |
| Recommended Screw Driver: | Pozidriv 2 |
| Accessories Available: | Yes |
| Remarks: | IP40 in enclosure with cover |
| Connecting Capacity: | Rigid: 25 mm²; Flexible: 16 mm² |
| Electrical | Specifications |
| Tripping Characteristic: | C |
| Rated Voltage (Ur): | 415 V |
| Operational Voltage: | Maximum 264 V AC, Maximum 60 V DC |
| Rated Impulse Withstand Voltage (Uimp): | 4 kV |
| Rated Current (In): | 25 A |
| Rated Short-Circuit Capacity: | 10 kA |
| Rated Frequency (f): | 50 Hz |
| Overvoltage Category: | III |
| Design | Specifications |
| Housing Material: | Insulation Group II, RAL 7035 |
| Material Compliance | Specifications |
| RoHS Information: | 1SYM100001D1015 |
| RoHS Status: | Following EU Directive 2011/65/EU |
| RoHS Date: | 43546 |
| Conflict Minerals Reporting Template (CMRT): | Conflict Minerals Reporting Template |
| WEEE Category: | Product Not in WEEE Scope |
| Environmental | Specifications |
| Ambient Air Temperature: | Operation -25 ... +55 °C |
| Reference Ambient Air Temperature: | 30 °C |
| Degree of Protection: | IP20 |
| Pollution Degree: | 2 |
| Environmental Conditions: | 28 cycle, 55°C @ 90 |
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