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OTP125BA3U ABB Enclosed Switch Disconnector 125A 3P 45kW
ABB OTP125BA3U plastic enclosed switch disconnector, a three-pole 125 A isolating switch designed for industrial electrical isolation and 45 kW AC23 switching applications.
£265.99
Why Choose the ABB OTP125BA3U Switch Disconnector?
The ABB OTP125BA3U is a robust plastic enclosed switch disconnector designed for reliable electrical isolation and load switching in industrial environments. As part of the ABB OTP enclosed switch disconnector series, it provides safe disconnection, durable protection and dependable operation for machinery, electrical distribution systems and industrial installations.
This switch disconnector features a rigid glass-reinforced polycarbonate enclosure with IP65 protection, providing resistance against dust and low-pressure water jets for indoor and outdoor applications. The enclosure includes an interlocked cover, defeatable interlocking and a padlockable red/yellow selector handle to support safe maintenance isolation procedures. :chatgpt-content-reference{index="0"}
With a 45 kW AC23 switching rating, three-pole 415 V AC configuration and 125 A thermal current rating, the ABB OTP125BA3U is suitable for industrial installations requiring secure isolation, reliable switching performance and safe equipment maintenance. :chatgpt-content-reference{index="1"}
Key Advantages
- 125 A enclosed switch disconnector for industrial isolation and load switching applications.
- Three-pole 415 V AC23 operation for industrial electrical systems.
- 45 kW AC23 switching capability for motor and machinery applications.
- IP65 glass-reinforced polycarbonate enclosure suitable for indoor and outdoor installations.
- Interlocked cover with defeatable interlocking for safer maintenance access.
- Red/yellow selector handle with padlock provision for secure isolation procedures.
- Fixed neutral and PE terminals support five-wire electrical systems.
Key Features
- ABB OTP enclosed switch disconnector series.
- 125 A conventional thermal current rating.
- 125 A AC21A rated operational current.
- 90 A AC23A rated operational current at 380–415 V AC.
- 45 kW AC23A rated operational power.
- Three-pole switch configuration.
- 750 V rated insulation voltage.
- IP65 plastic enclosure manufactured from rigid glass-reinforced polycarbonate.
- IK08 impact-resistant housing.
- Red/yellow selector handle with padlock facility for three padlocks.
- Fixed neutral terminal and PE terminal for five-wire systems.
- Blank cable outlets allowing installer-configured cable entries.
Reliable Isolation for Industrial Equipment
Switch disconnectors such as the ABB OTP125BA3U provide a secure method of isolating electrical equipment during maintenance, inspection and servicing operations. The enclosed construction protects internal switching components while providing operators with a clear and accessible isolation point.
The ABB OTP series combines mechanical durability, environmental protection and dependable switching performance for industrial applications. Its robust enclosure design, secure handle mechanism and five-wire system compatibility make it suitable for machine builders, electrical engineers and industrial facilities.
Typical Applications
- Industrial machinery isolation systems.
- Motor control and electrical distribution equipment.
- Manufacturing and production facilities.
- Pumps, fans and HVAC systems.
- Machine building and automation installations.
- Indoor and outdoor industrial electrical systems.
Technical Specifications
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| Material | Polycarbonate | |
|---|---|---|
| Device Type | Enclosed switch disconnector | |
| Voltage | 750 V AC | |
| Series | OTP Enclosed Switch Disconnectors | |
| Product type | Plastic enclosed switch disconnector | |
| Rated operational voltage | 750 V AC | |
| Number of poles | 3 | |
| AC21A rated operational current | 125 A at 380–415 V AC | |
| AC22A rated operational current | 125 A at 380–415 V AC | |
| AC23A rated operational current | 90 A at 380–415 V AC | |
| Rated operational power | 45 kW AC23A | |
| Conventional thermal current | 125 A fully enclosed | |
| Rated insulation voltage | 750 V | |
| Protection rating | IP65 | |
| Impact resistance | IK08 | |
| Enclosure material | Glass-reinforced polycarbonate | |
| Handle type | Selector handle | |
| Handle colour | Red/yellow | |
| Mounted auxiliary contacts | 0NO + 0NC | |
| Maximum auxiliary contacts | 2NO + 2NC | |
| Neutral type | Fixed neutral | |
| Main circuit connection | Screw clamp 10–70 mm² | |
| PE terminal | Screw clamp 4 pcs, 10–70 mm² | |
| Cable entry position | Top and bottom | |
| Cable outlets per side | Blank / Blank | |
| Standards | IEC 60947-1, IEC 60947-3 | |
| Dimensions (H × W × D) | 400 × 200 × 140 mm | |
| Weight | approx. 2.3 kg |
Frequently Asked Questions
What is the ABB OTP125BA3U used for?
The ABB OTP125BA3U is an enclosed switch disconnector used for safe electrical isolation and load switching in industrial applications.
What is the current rating of the OTP125BA3U?
The switch has a 125 A conventional thermal current rating and supports 90 A AC23A operation at 380–415 V AC.
What motor power can the ABB OTP125BA3U switch?
The OTP125BA3U supports an AC23A rated operational power of 45 kW.
What protection rating does the enclosure provide?
The ABB OTP125BA3U features an IP65 enclosure rating with IK08 impact resistance for demanding industrial environments.
Does the OTP125BA3U include a lockable handle?
Yes, the OTP125BA3U includes a red/yellow padlockable selector handle designed for secure isolation procedures.
Trusted by Industrial Engineers Worldwide
ABB OTP enclosed switch disconnectors are trusted by industrial engineers and machine builders for dependable isolation, robust protection and safe operation in modern electrical installations.
