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1SCA162744R1001 ABB OTC63G3-4BS OT Plus Panel Mounted Switch Disconnector
ABB OTC63G3-4BS 63 A four-pole manual change-over switch with I-0-II operation, base and DIN-rail mounting, padlockable direct handle and screw terminals for industrial power transfer applications.
Why Choose the ABB OTC63G3-4BS Change-Over Switch?
The ABB OTC63G3-4BS, product code 1SCA162744R1001, is a robust four-pole manual change-over switch engineered for safe and reliable switching between two independent power supplies. As part of the trusted ABB OT Plus Change-Over Switch range, it provides dependable I-0-II operation for industrial electrical distribution, generator installations and commercial power transfer applications.
Designed for electrical contractors, panel builders and OEM manufacturers, the OTC63G3-4BS combines compact dimensions with flexible base or DIN-rail mounting. Integrated screw terminals enable fast installation, while the supplied padlockable direct-mounted operating handle helps improve safety during maintenance and isolation procedures.
With a rated current of 63 A, a four-pole switching configuration and compliance with IEC 60947-3 and UL98 requirements, this ABB change-over switch is ideal for transferring loads safely between mains and standby generators whilst providing complete circuit isolation.
Key Advantages
- Reliable I-0-II manual change-over operation.
- 63 A current rating for industrial and commercial applications.
- Four-pole switching including neutral conductor.
- Suitable for base and DIN-rail mounting.
- Supplied with a padlockable direct-mounted handle.
- Secure screw terminals simplify installation and maintenance.
Key Features
- ABB OT Plus Change-Over Switch series.
- 63 A rated current.
- Four-pole manual change-over switch.
- I-0-II switching positions.
- Front-operated mechanism.
- Base and DIN-rail mounting options.
- IP20 protected front terminal clamps.
- Integrated screw terminals for copper conductors.
- Direct-mounted black padlockable operating handle included.
- Designed for industrial power transfer and isolation.
Reliable Power Transfer and Electrical Isolation
The ABB OTC63G3-4BS is designed to safely transfer electrical loads between two separate power sources whilst ensuring complete isolation through its centre OFF position. The four-pole design switches all three phases together with the neutral conductor, making it particularly suitable for standby generator installations and critical power systems.
Its durable switching mechanism, compact construction and high-quality ABB engineering provide dependable long-term performance in demanding industrial, commercial and infrastructure applications.
Typical Applications
- Mains to standby generator change-over systems.
- Industrial electrical distribution panels.
- Commercial buildings and infrastructure.
- Manufacturing and process industries.
- OEM machinery and control panels.
- Switchboards and electrical isolation systems.
Technical Specifications
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| Mounting Type | DIN rail | |
|---|---|---|
| Product Series | ABB OT Plus | |
| Device Type | Switch Disconnector | |
| Poles | 4-pole | |
| Manufacturer | ABB | |
| Series | OT Plus Change-Over Switches | |
| Model | OTC63G3-4BS | |
| Product ID | 1SCA162744R1001 | |
| EAN | 6417019928128 | |
| Product type | Manual change-over switch | |
| Rated current | 63 A | |
| Number of poles | 4 | |
| Operating positions | I-0-II | |
| Standards | IEC 60947-3 / UL98 | |
| Operational voltage | Up to 600 V AC | |
| Rated operational current AC-22A / AC-23A | 63 A | |
| Mounting type | Base mounting / DIN-rail mounting | |
| Frame size | G3 | |
| Copper conductor range | 2.5 to 70 mm² | |
| UL conductor range | 12 AWG to 2/0 AWG | |
| Protection rating | IP20 (front) | |
| Handle | Direct-mounted, padlockable knob handle | |
| HS Code | 85365080 | |
| Country of Manufacture | Finland |
Frequently Asked Questions
What is the ABB OTC63G3-4BS used for?
The OTC63G3-4BS manually transfers electrical loads between two independent power supplies, such as a utility supply and a standby generator.
What is the rated current of this switch?
The ABB OTC63G3-4BS has a 63 A rated operational current.
Why does this model have four poles?
The four-pole configuration switches all three phases together with the neutral conductor, providing complete circuit isolation where required.
Can the operating handle be locked?
Yes. The supplied direct-mounted operating handle is padlockable to help prevent accidental or unauthorised operation during maintenance.
Where is the OTC63G3-4BS typically installed?
It is commonly installed inside electrical switchboards, generator change-over panels and industrial distribution systems using base or DIN-rail mounting.
Trusted by Electrical Professionals Worldwide
ABB OT Plus change-over switches are trusted by electrical engineers, panel builders and OEM manufacturers for dependable manual power transfer, robust construction and reliable long-term operation.
