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1SCA162736R1001 ABB OTC63G2-4BS OT Plus Panel Mounted Switch Disconnector
ABB OTC63G2-4BS 63 A 4-pole manual change-over switch for safe transfer between mains and standby power supplies in industrial and commercial applications.
Why Choose the ABB 1SCA162736R1001 OTC63G2-4BS Change-Over Switch?
The ABB 1SCA162736R1001, also known as the OTC63G2-4BS, is a high-performance 63 A 4-pole manual change-over switch designed for safe and reliable transfer between two power sources in industrial and commercial electrical installations. As part of the proven ABB OT Plus Change-Over Switch range, it delivers dependable source switching for generator systems, distribution boards, OEM machinery and critical power applications.
The OTC63G2-4BS features a front-operated mechanism with flexible base or DIN rail mounting, making it ideal for panel builders and electrical contractors. Integrated screw terminals with IP20 protected front terminal clamps provide safe installation, while the supplied padlockable direct-mounted knob handle supports secure lockout procedures. The switch is also compatible with an optional external operating shaft for enclosure door operation.
With a 63 A general purpose current rating, 63 A AC-22A / AC-23A operational rating, four-pole switching and ABB's robust G2 frame construction, the OTC63G2-4BS offers long service life, dependable performance and safe manual power transfer in demanding industrial environments.
Key Advantages
- Reliable 63 A manual change-over switch for power source transfer.
- 4-pole configuration for complete switching of three-phase systems with neutral.
- Ideal for mains-to-generator changeover applications.
- Flexible base or DIN rail mounting.
- Padlockable direct-mounted operating handle supplied.
- Compact G2 frame for efficient control panel installation.
Key Features
- ABB OT Plus Change-Over Switch series.
- Model: OTC63G2-4BS.
- Manufacturer Part Number: 1SCA162736R1001.
- 63 A rated operational current.
- 4-pole manual change-over switch.
- Front-operated switching mechanism.
- Base or DIN rail mounting.
- Integrated screw terminals.
- IP20 protected front terminal clamps.
- Padlockable direct-mounted knob handle included.
- Compatible with optional external operating shaft.
Reliable Manual Power Source Transfer
Manual change-over switches allow electrical loads to be safely transferred between two independent power sources, such as the mains supply and a standby generator. The ABB OTC63G2-4BS provides positive switching action, dependable electrical isolation and reliable long-term operation for critical power applications.
Its four-pole design enables complete isolation of all live conductors, including the neutral where required, making it suitable for generator installations, commercial buildings, industrial automation systems and critical infrastructure.
Typical Applications
- Generator change-over panels.
- Mains and standby power switching.
- Industrial control panels.
- Electrical distribution boards.
- OEM machinery.
- Commercial and industrial building services.
Technical Specifications
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| Mounting Type | DIN rail | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Product Series | ABB OT Plus | |
| Poles | 4-pole | |
| Manufacturer | ABB | |
| Series | OT Plus Change-Over Switches | |
| Model | OTC63G2-4BS | |
| Manufacturer Part Number | 1SCA162736R1001 | |
| Product type | Manual change-over switch | |
| General purpose current rating | 63 A | |
| Rated operational current (AC-22A / AC-23A <415 V) | 63 A / 63 A | |
| Number of poles | 4 | |
| Frame size | G2 | |
| Copper conductor capacity | 1.5 to 35 mm² | |
| Maximum operating voltage | 800 V AC | |
| Mounting type | Base or DIN rail mounting | |
| Terminal type | Screw terminals with IP20 protected front terminal clamps | |
| Handle type | Padlockable direct-mounted knob handle | |
| Dimensions (H × W × D) | Approx. 144 × 100 × 96 mm | |
| GTIN | 6417019928043 | |
| HS Code | 85365080 | |
| Country of Manufacture | Finland |
Frequently Asked Questions
What is the ABB 1SCA162736R1001 used for?
The OTC63G2-4BS is a manual change-over switch designed to safely transfer electrical loads between two separate power sources, such as the utility supply and a standby generator.
What is the current rating of the OTC63G2-4BS?
The switch has a 63 A general purpose current rating and is rated 63 A for both AC-22A and AC-23A applications.
How many poles does this change-over switch have?
This model features a 4-pole configuration, making it suitable for complete switching of three-phase systems with neutral.
Can the OTC63G2-4BS be mounted on a DIN rail?
Yes. The switch is suitable for both base mounting and DIN rail mounting, offering installation flexibility.
Is the operating handle included?
Yes. A padlockable direct-mounted operating handle is supplied as standard. External operating accessories are available separately.
Trusted by Electrical Professionals Worldwide
ABB OT Plus change-over switches are trusted by panel builders, electrical contractors and OEM manufacturers for dependable power source transfer, robust construction and reliable long-term industrial performance.
