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1SCA022383R3700 ABB Enclosed Switch Disconnector 125 A 3P
ABB OTP125B3B enclosed switch disconnector, a three pole 125 A plastic enclosed isolating switch designed for industrial electrical switching and safety applications.
£271.04
Why Choose the ABB OTP125B3B Enclosed Switch Disconnector?
The ABB OTP125B3B is a reliable enclosed switch disconnector designed for safe isolation and switching of low-voltage electrical circuits in industrial, commercial and automation installations. As part of the proven ABB OTP plastic enclosed switch disconnector series, it combines robust construction, dependable switching performance and a compact IP65-rated enclosure for demanding environments.
This switch disconnector features a durable glass reinforced polycarbonate enclosure that provides protection against dust and low-pressure water jets while supporting both indoor and outdoor installation. The black selector handle is padlockable, and the interlocked cover design improves operational safety during maintenance and servicing procedures.
With a 125 A rated current and a three-pole configuration, the ABB OTP125B3B is suitable for industrial distribution systems, machinery isolation and motor switching applications. Its plastic enclosed design provides a practical solution for safe electrical isolation where reliable operation and environmental protection are required.
Key Advantages
- Reliable ABB OTP enclosed switch disconnector for industrial isolation applications.
- 125 A three-pole switching solution for low-voltage electrical systems.
- Durable IP65 plastic enclosure suitable for indoor and outdoor environments.
- Black padlockable selector handle for secure isolation procedures.
- Interlocked cover with defeatable interlocking function for maintenance activities.
- Suitable for machinery, control panels and industrial power distribution systems.
Key Features
- ABB OTP plastic enclosed switch disconnector series.
- Three-pole (3P) switch configuration.
- 125 A conventional thermal current rating.
- IP65 protection rating according to IEC 60529.
- Glass reinforced polycarbonate enclosure with UV protection.
- Black selector handle with padlock capability for three padlocks.
- Fixed neutral terminal and PE terminal for five-wire systems.
- Top and bottom I-flange cable entry arrangement.
Safe Isolation for Industrial Electrical Systems
Switch disconnectors such as the ABB OTP125B3B provide a dependable method of isolating electrical equipment during installation, inspection and maintenance. The visible switching mechanism, padlockable handle and enclosed construction help improve safety in industrial environments.
The ABB OTP series is designed for panel builders, machine manufacturers and facility operators requiring reliable switching equipment with strong mechanical protection. Its compact enclosed format allows straightforward integration into a wide range of electrical installations.
Typical Applications
- Industrial machinery isolation and maintenance switching.
- Motor control and electrical distribution systems.
- Factory automation equipment.
- Control panels and switchboards.
- Commercial and industrial power installations.
- Indoor and outdoor low-voltage electrical systems.
Technical Specifications
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| Material | Polycarbonate | |
|---|---|---|
| Device Type | Enclosed switch disconnector | |
| Voltage | 750 V AC | |
| Series | OTP Plastic Enclosed Switch Disconnectors | |
| Product type | Enclosed switch disconnector | |
| Poles | 3P | |
| Rated operational current AC-21A | 125 A | |
| Rated operational current AC-22A | 125 A | |
| Rated operational current AC-23A | 90 A at 380–415 V | |
| Rated operational power AC-23A | 45 kW | |
| Rated insulation voltage | 750 V | |
| Rated operational voltage | Up to 750 V | |
| Conventional thermal current | 125 A | |
| Protection rating | IP65 | |
| Impact resistance | IK08 | |
| Enclosure material | Glass reinforced polycarbonate | |
| Handle type | Selector handle | |
| Handle colour | Black | |
| Auxiliary contacts | Maximum 2 NO and 2 NC | |
| Cable connection capacity | 10–70 mm² | |
| Terminal type | Screw clamp | |
| Standards | IEC 60947-1, IEC 60947-3 | |
| Dimensions (H × W × D) | Approx. 400 × 200 × 140 mm | |
| Weight | Approx. 2.4 kg |
Frequently Asked Questions
What is the ABB OTP125B3B used for?
The ABB OTP125B3B is an enclosed switch disconnector used for safe electrical isolation and switching in industrial and commercial low-voltage systems.
How many poles does the OTP125B3B have?
The OTP125B3B is a three-pole (3P) enclosed switch disconnector.
What is the rated current of this switch disconnector?
The ABB OTP125B3B has a conventional thermal current rating of 125 A.
What protection rating does the enclosure provide?
The enclosure provides an IP65 protection rating against dust and low-pressure water jets.
Where can the OTP125B3B be installed?
The switch disconnector is suitable for indoor and outdoor industrial installations including machinery, control panels and electrical distribution systems.
Trusted by Industrial Engineers Worldwide
ABB OTP enclosed switch disconnectors are widely used in industrial electrical systems to provide reliable isolation, safe operation and durable performance in demanding environments.
