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2CDD283101R0040 ABB SD203/40 Switch Disconnector 3P 40 A
ABB SD203/40 is a compact three-pole 40 A switch disconnector with a 440 V AC rated voltage, 25 kA conditional short-circuit current and IEC/EN 60947-3 isolation capability for modular three-phase electrical distribution systems.
£49.14
Why Choose the ABB SD203/40 Switch Disconnector?
The ABB SD203/40 is a compact three-pole switch disconnector rated at 40 A, designed for dependable switching and isolation in low-voltage electrical distribution systems. Part of ABB's SD200 range, it enables all three poles of a circuit to be disconnected simultaneously and provides isolating characteristics in accordance with IEC/EN 60947-3.
With a rated voltage of 440 V AC, the SD203/40 is well suited to three-phase distribution and control applications. It is specified for AC-23A utilisation and supports DC applications up to 125 V DC with DC-21A utilisation, providing flexible switching capability within its applicable ratings.
The SD203/40 occupies three modular spaces with a width of 52.5 mm. A real contact-position indicator clearly identifies the switching state, while IP20 protection, a sealable operating lever and compatibility with ABB System pro M compact accessories support straightforward integration into professional distribution boards and control panels.
Key Advantages
- Three-pole switch disconnector for simultaneous isolation of three conductors.
- 40 A rated current for electrical distribution applications.
- 440 V AC rated voltage.
- Supports 125 V DC applications within its specified ratings.
- AC-23A and DC-21A utilisation categories.
- 25 kA conditional short-circuit current with suitable upstream protection.
- Real contact-position indication for clear switching-state identification.
- Compact 52.5 mm three-module width.
Key Features
- ABB SD200 series switch disconnector.
- 3-pole configuration.
- 3NO switching contacts.
- 40 A rated current.
- 440 V AC rated voltage.
- 50/60 Hz rated frequency.
- AC-23A AC utilisation category.
- DC-21A DC utilisation category.
- 25 kA conditional short-circuit current.
- IP20 protection rating.
- 35 mm DIN rail mounting.
- 52.5 mm three-module width.
Reliable Three-Pole Switching and Isolation
Three-pole switch disconnectors provide simultaneous disconnection of three conductors, making them particularly suitable for three-phase electrical distribution and control systems. The ABB SD203/40 combines this isolation function with load-switching capability, providing a defined disconnection point for downstream equipment during operation, inspection or maintenance.
The SD203/40 combines a 40 A current rating with a compact 52.5 mm modular footprint. Its DIN rail construction, real contact-position indication and compatibility with ABB System pro M compact accessories allow straightforward integration alongside modular protection and control equipment.
Typical Applications
- Three-phase circuit switching and isolation.
- Electrical distribution boards and switchboards.
- Commercial and industrial electrical installations.
- Industrial control and automation panels.
- Isolation of downstream three-phase equipment for maintenance.
- ABB System pro M compact modular installations.
Technical Specifications
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| Device Type | Modular Switch Disconnect | |
|---|---|---|
| Mounting Type | DIN rail | |
| Current | 40 A | |
| Poles | 3-pole | |
| Product Series | ABB SD200 | |
| Series | SD200 | |
| ABB order code | 2CDD283101R0040 | |
| EAN | 4016779904216 | |
| Product type | Switch disconnector | |
| Number of poles | 3 | |
| Normally open contacts | 3 | |
| Rated current | 40 A | |
| Rated voltage | 440 V AC | |
| DC operational voltage | up to 125 V DC | |
| Rated frequency | 50 / 60 Hz | |
| AC utilisation category | AC-23A | |
| DC utilisation category | DC-21A | |
| Rated conditional short-circuit current | 25 kA | |
| Power loss per device | 6.80 W | |
| Contact-position indication | Yes | |
| Protection rating | IP20 | |
| Maximum conductor capacity | 35 mm² | |
| Tightening torque | 2.8 N·m | |
| Mounting | 35 mm DIN rail | |
| Module width | 3 modules | |
| Dimensions (W × H × D) | 52.5 × 88 × 69 mm | |
| Operating temperature | -25 to +55 °C | |
| Storage temperature | -40 to +70 °C | |
| Net weight | approx. 255 g | |
| Standard | IEC/EN 60947-3 |
Frequently Asked Questions
What is the ABB SD203/40 used for?
The SD203/40 is a three-pole switch disconnector designed for switching and isolating electrical circuits, including three-phase distribution applications where all three poles need to be disconnected together.
What is the rated current of the ABB SD203/40?
The SD203/40 has a rated current of 40 A and a rated voltage of 440 V AC.
What utilisation categories does the SD203/40 support?
The SD203/40 is specified for AC-23A utilisation on AC circuits and DC-21A utilisation on DC circuits within its applicable electrical ratings.
What standard does the ABB SD203/40 comply with?
The ABB SD203/40 is designed in accordance with IEC/EN 60947-3 for switch-disconnector applications.
How much DIN rail space does the SD203/40 require?
The SD203/40 is 52.5 mm wide and occupies three modular spaces in a compatible DIN rail distribution system.
Trusted ABB Switch Disconnector Technology
ABB SD200 switch disconnectors provide compact and dependable circuit isolation for modular electrical distribution systems, combining IEC/EN 60947-3 performance with load-switching capability, real contact-position indication and compatibility with ABB System pro M compact installations.
