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1SCA163446R1001 ABB OT25G1-4MSN2 Switch-disconnector OT Plus 25 A, size G1, 4-pole, incl. handle,
ABB OT25G1-4MSN2 25 A four-pole OT Plus switch disconnector with protected screw terminals, direct-mounted padlockable handle and DIN-rail or base mounting.
£22.95
Why Choose the ABB 1SCA163446R1001 OT25G1-4MSN2 Switch Disconnector?
The ABB 1SCA163446R1001, also known as the OT25G1-4MSN2, is a robust 25 A four-pole switch disconnector designed for safe isolation of low-voltage electrical circuits in industrial, commercial and OEM applications. Part of the trusted ABB OT Plus switch disconnector range, it combines compact dimensions, dependable switching performance and straightforward installation for modern electrical systems.
This modular switch disconnector features a front-operated mechanism with protected screw terminals and is supplied with a direct-mounted, padlockable operating handle. Designed for DIN-rail and base mounting, it provides a safe and reliable method of disconnecting power during maintenance and servicing while helping to minimise downtime.
With a rated operational current of 25 A, a four-pole configuration and an N2 neutral arrangement, the OT25G1-4MSN2 is ideal for isolating three-phase systems requiring neutral switching. Its compact G1 frame makes it well suited to space-conscious control panels and distribution boards.
Key Advantages
- Reliable 25 A switch disconnector for industrial electrical isolation.
- Four-pole configuration for switching three phases and neutral.
- Supplied with a direct-mounted padlockable handle.
- Protected screw terminals improve installation safety.
- Suitable for DIN-rail and base mounting.
- Compact G1 frame saves valuable panel space.
Key Features
- ABB OT Plus switch disconnector series.
- 25 A rated operational current.
- Four-pole IEC switch disconnector.
- N2 neutral configuration.
- Protected screw terminal connections.
- Front-operated switching mechanism.
- Direct-mounted padlockable operating handle included.
- Suitable for DIN-rail and base mounting.
- Compact modular G1 frame.
- Designed for industrial low-voltage installations.
Reliable Isolation for Industrial Electrical Systems
The ABB OT25G1-4MSN2 provides safe manual isolation of electrical circuits during maintenance, inspection and servicing. Its four-pole switching mechanism disconnects all live conductors simultaneously, helping improve operator safety and protecting connected equipment from accidental energisation.
Engineered for demanding industrial environments, the OT Plus range offers long mechanical life, dependable switching performance and flexible installation options, making it a preferred choice for panel builders, machine manufacturers and electrical contractors.
Typical Applications
- Industrial control panels.
- Electrical distribution boards.
- Motor control centres.
- OEM machinery.
- HVAC systems.
- Pumps, compressors and conveyor systems.
- Commercial and industrial electrical installations.
Technical Specifications
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| Voltage | 800 V | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Mounting Type | DIN rail | |
| Power | 11 kW | |
| Product Series | ABB OT Plus | |
| Current | 25 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Manufacturer | ABB | |
| Series | OT Plus | |
| Product ID | 1SCA163446R1001 | |
| Model | OT25G1-4MSN2 | |
| Product type | Manual switch disconnector | |
| Rated current | 25 A | |
| Number of poles | 4 | |
| Neutral configuration | N2 | |
| Maximum operational voltage | 800 V AC | |
| Rated motor power (AC-23A, 400 V) | 11 kW | |
| Terminal type | Protected screw terminals | |
| Operation | Front operated | |
| Mounting type | DIN-rail or base mounting | |
| Frame size | G1 | |
| Handle | Direct-mounted, padlockable | |
| HS Code | 85365080 | |
| Country of Manufacture | Finland |
Frequently Asked Questions
What is the ABB 1SCA163446R1001 used for?
It is used to safely isolate low-voltage electrical circuits in industrial, commercial and OEM electrical installations.
What is the rated current of the OT25G1-4MSN2?
The switch disconnector has a rated operational current of 25 A.
Does this model include an operating handle?
Yes. The OT25G1-4MSN2 is supplied with a direct-mounted padlockable operating handle.
Can the switch be mounted on a DIN rail?
Yes. It is suitable for both DIN-rail mounting and base mounting.
How many poles does this switch disconnector have?
The OT25G1-4MSN2 features a four-pole configuration for switching three phases and the neutral conductor together.
Trusted Electrical Isolation from ABB
ABB OT Plus switch disconnectors are trusted by electrical contractors, panel builders and OEM manufacturers worldwide for dependable isolation, compact installation and long-term reliability in demanding industrial applications.
