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.
1SCA022513R7530 ABB 250A 3-Pole Steel Enclosed EMC Safety Switch IP65
ABB OT250KTRR3TZ is a 250 A three-pole IP65 steel-enclosed EMC safety switch with auxiliary contacts, designed for reliable electrical isolation and load switching in industrial applications.
£1,522.49
Why Choose the ABB OT250KTRR3TZ 250A EMC Safety Switch?
The ABB OT250KTRR3TZ is a robust 250 A 3-pole steel-enclosed EMC safety switch designed for dependable electrical isolation and load-breaking duties in demanding industrial installations. Identified by ABB order code 1SCA022513R7530, it belongs to ABB product group 311019 – Metal Enclosed (Loadbreak) and combines proven OT switch-disconnector technology with a durable EMC enclosure.
Designed for installations where electromagnetic compatibility and reliable isolation are important, the OT250KTRR3TZ features a steel-sheet enclosure with IP65 protection, a black pistol operating handle and ring-flange cable entries. Auxiliary contacts are included and wired to terminal blocks, supporting signalling and control functions within industrial electrical systems.
With a rated current of 250 A and a 3-pole configuration, the OT250KTRR3TZ is suitable for substantial three-phase loads. Its AC-23A motor switching capability is rated at 132 kW / 250 A at 415 V and 200 kW / 250 A at 690 V, making it suitable for machinery, motor circuits and industrial power distribution applications.
Key Advantages
- Heavy-duty 250 A EMC safety switch for industrial electrical isolation.
- 3-pole configuration for three-phase electrical systems.
- Robust steel-sheet enclosure designed for EMC applications.
- IP65 protection rating for demanding industrial environments.
- Includes 2NO + 1NC auxiliary contacts for signalling and control functions.
- Ring-flange cable entries from the top and bottom support EMC cable installation.
Key Features
- ABB OT enclosed EMC safety switch series.
- 250 A rated current.
- 3-pole configuration.
- IP65 steel-sheet enclosure.
- Black pistol handle with I-O / ON-OFF indication.
- 2NO + 1NC auxiliary contacts included.
- Auxiliary contacts wired to terminal blocks.
- PE terminal included.
- Fixed cable entries with ring-flange arrangement.
- Cable entries provided from the top and bottom.
- Cover interlock and defeatable interlock included.
- Designed for load-break switching and electrical isolation.
Reliable EMC Electrical Isolation and Load-Break Switching
The ABB OT250KTRR3TZ is engineered for industrial installations requiring reliable load isolation together with effective EMC installation practices. Its steel-sheet enclosure, IP65 protection and ring-flange cable-entry arrangement make it particularly suitable for applications using shielded cables, while the integrated switch-disconnector provides a clearly operated local isolation point.
The OT250KTRR3TZ also includes auxiliary contacts wired to terminal blocks, a PE terminal and cover interlocking features. These characteristics simplify integration into machinery and electrical distribution systems where switch status indication, interlocking and dependable maintenance isolation are required.
Typical Applications
- Industrial machinery requiring EMC-compatible isolation.
- Variable frequency drive and motor installations.
- Three-phase motor and machinery isolation.
- Industrial electrical distribution systems.
- Manufacturing and production equipment.
- Automation systems using shielded motor and power cabling.
- Local maintenance and electrical isolation points.
Technical Specifications
Tick the specs you need, then view products that match.
| Material | Steel | |
|---|---|---|
| Device Type | EMC safety switch | |
| Series | OT Enclosed EMC Safety Switches | |
| ABB order code | 1SCA022513R7530 | |
| Product description | 250A 3P steel enclosed EMC safety switch IP65 with auxiliary contacts | |
| Product type | Metal-enclosed EMC safety switch / switch-disconnector | |
| ABB product group | 311019 – Metal Enclosed (Loadbreak) | |
| Rated current | 250 A | |
| Number of poles | 3 | |
| Protection rating | IP65 | |
| Enclosure material | Steel sheet | |
| Enclosure colour | Grey | |
| Handle | Black pistol handle, I-O / ON-OFF indication | |
| Auxiliary contacts included | 2NO + 1NC | |
| Maximum auxiliary contacts | 2NO + 1NC | |
| AC-23A motor output at 415 V | 132 kW / 250 A | |
| AC-23A motor output at 690 V | 200 kW / 250 A | |
| Cable openings per side | 4 × ring-flange | |
| Cable entry direction | Top and bottom | |
| Enclosure dimensions (H × W × D) | 600 × 400 × 230 mm | |
| Cover flanges included | 6 | |
| PE terminal | Included | |
| Weight | approx. 21 kg | |
| Operation | Manual | |
| Application | Electrical isolation and load switching |
Frequently Asked Questions
What is the ABB OT250KTRR3TZ used for?
The OT250KTRR3TZ is a 250 A 3-pole steel-enclosed EMC safety switch used for load switching and safe electrical isolation in industrial installations, particularly where EMC-compatible installation is required.
What is the rated current of the OT250KTRR3TZ?
The ABB OT250KTRR3TZ has a rated current of 250 A.
What is the protection rating of the OT250KTRR3TZ?
The OT250KTRR3TZ has an IP65 protection rating and is supplied in a robust steel-sheet enclosure.
What auxiliary contacts are included with the OT250KTRR3TZ?
The OT250KTRR3TZ includes 2NO + 1NC auxiliary contacts, which are wired to terminal blocks for integration with signalling and control circuits.
What motor switching capacity does the OT250KTRR3TZ provide?
The switch has an AC-23A motor switching rating of 132 kW / 250 A at 415 V and 200 kW / 250 A at 690 V.
Trusted ABB Switching Technology
ABB OT enclosed EMC safety switches provide dependable load switching and electrical isolation for industrial power, machinery and motor applications where robust construction, auxiliary signalling and electromagnetic compatibility are important.
