Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SCA022567R1520 ABB 4-Pole 45 kW Stainless Steel Enclosed Safety Switch
ABB OTR90T4B is a 4-pole IP65 stainless steel enclosed safety switch with a 45 kW AC-23A motor rating at 400 V, a black pistol handle and an included 1NO auxiliary contact for reliable industrial isolation and load switching.
£733.41
Why Choose the ABB OTR90T4B Enclosed Safety Switch?
The ABB OTR90T4B, order code 1SCA022567R1520, is a robust 4-pole stainless steel enclosed safety switch designed for dependable electrical isolation and load switching in demanding industrial installations. Part of the ABB OTR enclosed safety-switch range, it provides an AC-23A motor output of 45 kW at 400 V, making it suitable for substantial machinery, motor and power distribution applications.
Designed as a complete industrial isolation solution, the OTR90T4B features an IP65 stainless steel enclosure and a black pistol-type operating handle with I-O / ON-OFF indication. The enclosure is equipped with hinges and a lock, while the safety-switch assembly includes a 1NO auxiliary contact and protective earth terminal as standard.
The 4-pole configuration enables four conductors to be switched simultaneously. ABB specifies an AC-23A operational rating of 45 kW / 90 A at 380–415 V and 45 kW / 50 A at 690 V, while B-flange cable entries are provided at the top and bottom for practical industrial cable installation.
Key Advantages
- Heavy-duty 4-pole enclosed safety switch for industrial electrical isolation.
- 45 kW AC-23A motor output at 400 V for substantial motor and machinery applications.
- 90 A AC-23A operational current at 380–415 V.
- Durable stainless steel enclosure for demanding industrial environments.
- IP65 protection rating provides protection against dust and water ingress.
- Black pistol-type operating handle with clear I-O / ON-OFF indication.
- 1NO auxiliary contact and PE terminal included as standard.
- Top and bottom B-flange cable entries support practical power-cable installation.
Key Features
- ABB OTR enclosed safety-switch series.
- 4-pole switching configuration.
- 45 kW / 90 A AC-23A rating at 380–415 V.
- 45 kW / 70 A AC-23A rating at 500 V.
- 45 kW / 50 A AC-23A rating at 690 V.
- IP65 stainless steel enclosure.
- Black pistol-type handle with I-O / ON-OFF indication.
- Hinged and lockable enclosure construction.
- B-flange cable entries at the top and bottom.
- 1NO auxiliary contact included as standard.
- Capacity for up to 2NO + 2NC auxiliary contacts.
- Protective earth terminal included as standard.
Reliable Four-Pole Safety Isolation for Industrial Systems
Enclosed safety switches provide a clearly identifiable means of disconnecting machinery and electrical equipment from the power supply for operation, servicing and maintenance. The ABB OTR90T4B combines a four-pole switch disconnector, operating mechanism, auxiliary contact and protective stainless steel enclosure into a complete industrial isolation assembly.
With a 45 kW AC-23A motor rating at 400 V, the OTR90T4B is particularly suitable for higher-power industrial machinery and motor applications. Its four-pole switching arrangement, IP65 stainless steel enclosure, black pistol handle and B-flange cable-entry system provide a robust solution for demanding industrial electrical installations.
Typical Applications
- Industrial machinery isolation and main switching.
- Motors rated up to 45 kW at 400 V under AC-23A duty.
- Four-pole electrical isolation applications.
- Industrial motor and production equipment.
- Pumps, fans and ventilation systems.
- Conveyors and material handling equipment.
- Manufacturing and processing machinery.
- Industrial power distribution and automation installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Material | Stainless Steel | |
|---|---|---|
| Device Type | Enclosed safety switch / isolator | |
| Series | OTR Enclosed Safety Switches | |
| ABB order code | 1SCA022567R1520 | |
| ABB product group | 311019-Metal Enclosed (Loadbreak) | |
| Product type | Enclosed safety switch / switch disconnector | |
| Number of poles | 4 | |
| AC-23A motor output at 400 V | 45 kW | |
| AC-23A current at 380–415 V | 90 A | |
| AC-23A motor output at 500 V | 45 kW | |
| AC-23A current at 500 V | 70 A | |
| AC-23A motor output at 690 V | 45 kW | |
| AC-23A current at 690 V | 50 A | |
| Enclosure material | Stainless steel sheet | |
| Protection rating | IP65 | |
| Handle type | Pistol-type operating handle | |
| Handle colour | Black | |
| Handle indication | I-O / ON-OFF | |
| Cable entry position | Top and bottom | |
| Cable outlets | B-flange | |
| Auxiliary contacts included | 1NO | |
| Maximum auxiliary contacts | 2NO + 2NC | |
| PE terminal | Included | |
| Dimensions (H × W × D) | 300 × 200 × 135 mm | |
| Catalogue weight | approx. 3.4 kg |
Frequently Asked Questions
What is the ABB OTR90T4B used for?
The ABB OTR90T4B is a 4-pole stainless steel enclosed safety switch designed for reliable electrical isolation and load switching in industrial machinery, motor and power distribution applications.
What is the motor rating of the ABB OTR90T4B?
The OTR90T4B provides an AC-23A motor output rating of 45 kW at 400 V, with an operational current of 90 A at 380–415 V.
How many poles does the ABB OTR90T4B have?
The OTR90T4B has a 4-pole switching configuration, enabling four conductors to be isolated simultaneously.
What enclosure does the OTR90T4B use?
The OTR90T4B is housed in an IP65 stainless steel enclosure measuring 300 × 200 × 135 mm, with hinged and lockable construction.
Does the ABB OTR90T4B include an auxiliary contact?
Yes. The OTR90T4B includes one normally open (1NO) auxiliary contact as standard and can accommodate up to 2NO + 2NC auxiliary contacts.
Trusted Industrial Safety Switching from ABB
ABB OTR enclosed safety switches provide dependable electrical isolation and load switching for industrial machinery, motors and power distribution systems, combining robust switching technology with durable stainless steel enclosed construction.
