ABB OT63F4N2 1SCA105365R1001 non-fuse switch

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Product Overview:

The ABB OT63F4N2 (Order Code: 1SCA105365R1001) is a non-fuse switch disconnector rated at 63A, designed for safe manual disconnection and isolation of electrical circuits in industrial and commercial applications.
As part of ABB’s OT switch-disconnector series, it features a compact design, high electrical performance, and superior reliability. The device uses silver-alloy contacts for excellent arc resistance and long service life, ensuring stable operation under demanding conditions.

Technical Specifications:

• Model: OT63F4N2

• Order Code: 1SCA105365R1001

• Type: Non-fuse Switch Disconnector

• Brand: ABB

• Rated Current (Ie): 63 A

• Rated Operational Voltage (Ue): 690 V AC

• Rated Insulation Voltage (Ui): 1000 V AC

• Rated Impulse Withstand Voltage (Uimp): 8 kV

• Number of Poles: 4

• Utilization Category: AC-22A / AC-23A

• Rated Short-time Withstand Current (Icw): 0.9 kA / 1s

• Rated Short-circuit Making Capacity (Icm): 6 kA

• Mechanical Life: ≥ 100,000 operations

• Electrical Life: ≥ 10,000 operations

• Operation Mode: Manual rotary handle operation

• Mounting: Panel or DIN rail

• Housing Material: Flame-retardant thermoplastic (UL94-V0)

• Terminal Capacity: Up to 25 mm²

• Operating Temperature: -25°C to +55°C

• Protection Class: IP20 (up to IP65 with external handle)

• Standards: IEC 60947-3, UL508, CSA C22.2

Features and Advantages:

1. Compact and Space-saving Design – Ideal for modern control panels.

2. High Safety Level – Clear ON/OFF indication and reliable isolation.

3. Durable and Long-lasting – Excellent mechanical and electrical endurance.

4. Flexible Mounting Options – Can be mounted in any position.

5. Four-pole Construction – Ensures complete phase and neutral isolation.

6. Superior Arc Suppression – Silver-alloy contacts ensure stable performance.

7. Lockable Handles Available – Prevents unauthorized operation.

8. Environmentally Friendly Materials – Compliant with RoHS and REACH.

Applications:

• Industrial power distribution systems

• Motor control centers (MCCs)

• Machinery main power isolation

• Maintenance and repair isolation switches

• Industrial automation control panels

• Commercial and building electrical systems

Precautions:

1. Ensure terminal screws are securely tightened during installation.

2. Avoid frequent load switching to prevent contact wear.

3. Use protective enclosure for outdoor installations.

4. Verify phase connection and polarity before energizing.

5. Periodically inspect contact and terminal conditions.

6. Do not exceed rated electrical limits.

7. Use lockable handle accessories for safe disconnection during maintenance.

The structure and details of the product：

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