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1SCA022401R5210 ABB Enclosed Switch Disconnector 125 A 4P
ABB OTP125B4B enclosed switch disconnector, a four pole 125 A plastic enclosed isolating switch designed for industrial electrical switching and safety applications.
£310.89
Why Choose the ABB OTP125B4B Enclosed Switch Disconnector?
The ABB OTP125B4B is a robust enclosed switch disconnector designed for safe isolation and switching of low-voltage electrical circuits in industrial, commercial and automation applications. As part of the trusted ABB OTP plastic enclosed switch disconnector series, it provides reliable switching performance, durable construction and secure operation in demanding environments.
This switch disconnector features a rigid glass reinforced polycarbonate enclosure with UV protection and an IP65 protection rating, making it suitable for both indoor and outdoor installations. The black selector handle is padlockable, while the interlocked cover design supports safe maintenance procedures and controlled access to live components.
With a 125 A rated current and a four-pole configuration, the ABB OTP125B4B is suitable for industrial power distribution, machinery isolation and motor switching applications. The enclosed design includes fixed and switchable neutral functionality with PE terminal connection for five-wire systems.
Key Advantages
- Reliable ABB OTP enclosed switch disconnector for industrial isolation applications.
- 125 A four-pole switching solution for low-voltage electrical systems.
- Durable IP65 glass reinforced polycarbonate enclosure for indoor and outdoor use.
- Black padlockable selector handle for secure isolation procedures.
- Interlocked cover design with defeatable interlocking function.
- Suitable for machinery, distribution boards and industrial electrical installations.
Key Features
- ABB OTP plastic enclosed switch disconnector series.
- Four-pole (4P) switch configuration.
- 125 A conventional thermal current rating.
- IP65 protection rating according to IEC 60529.
- Rigid UV-protected glass reinforced polycarbonate enclosure.
- Black selector handle suitable for three padlocks.
- Fixed and switchable neutral terminal with PE terminal.
- Top and bottom I-flange cable entry arrangement.
Safe Isolation for Industrial Electrical Systems
Switch disconnectors such as the ABB OTP125B4B provide a secure method of isolating electrical equipment during installation, inspection and maintenance. The visible switching mechanism, lockable handle and enclosed construction help improve safety in industrial environments.
The ABB OTP series is designed for machine builders, panel manufacturers and facility engineers requiring dependable switching equipment with strong environmental protection. Its enclosed format allows simple integration into industrial electrical systems while maintaining reliable performance.
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 | |
|---|---|---|
| Voltage | 750 V AC | |
| Device Type | Enclosed switch disconnector | |
| Series | OTP Plastic Enclosed Switch Disconnectors | |
| Product type | Enclosed switch disconnector | |
| Poles | 4P | |
| 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 | |
| Neutral type | Fixed and switchable neutral | |
| 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) | 400 × 200 × 140 mm | |
| Weight | Approx. 2.5 kg |
Frequently Asked Questions
What is the ABB OTP125B4B used for?
The ABB OTP125B4B is an enclosed switch disconnector used for safe electrical isolation and switching in industrial and commercial low-voltage systems.
How many poles does the OTP125B4B have?
The OTP125B4B is a four-pole (4P) enclosed switch disconnector with neutral switching capability.
What is the rated current of this switch disconnector?
The ABB OTP125B4B 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 OTP125B4B 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.
