ABB OT2500E03 Disconnect Switch

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1. Product Overview

The ABB OT2500E03 is a 3-pole disconnect switch designed for industrial power distribution, electrical installations, and large motor control systems. It provides safe isolation and disconnection of circuits for maintenance or emergency purposes, with high reliability and ease of operation.

2. Technical Specifications

• Model: OT2500E03

• Brand: ABB

• Type: 3-Pole Disconnect Switch

• Rated Voltage: AC 690 V

• Rated Current: 2500 A

• Number of Poles: 3P

• Operation: Manual (optional motorized operation accessory)

• Mechanical Life: ≥ 10,000 operations

• Short-Circuit Breaking Capacity: According to IEC/EN 60947-3

• Protection Rating: IP30 (panel-mounted)

• Mounting: Panel or rack-mounted

• Applications: Industrial power distribution, factory electrical systems, motor isolation

3. Key Advantages & Features

1. High Rated Current – Suitable for 2500 A industrial and distribution systems.

2. High Reliability – Quality conductive materials and robust design ensure long-term stable operation.

3. Easy Operation – Manual handle allows fast disconnection or connection.

4. Safe Isolation – Full isolation gap ensures personnel safety during maintenance.

5. Modular Installation – Panel or rack-mounted for easy system integration.

6. Standardized Design – Complies with IEC/EN 60947-3 for certification and safety compliance.

4. Typical Applications

• Industrial plant main distribution systems

• Large motor units and drive equipment

• Energy management and distribution networks

• Power plants, substations, and distribution rooms

• Factory automation and production line power distribution

5. Installation & Usage Notes

1. Power Matching – Ensure system voltage and current match switch ratings to avoid overload.

2. Secure Wiring – Terminals should be properly tightened to reduce arcing and poor contact.

3. Environmental Conditions – Avoid high humidity, dust, and corrosive environments; keep switch clean.

4. Operation Guidelines – Follow manual operation procedures and ensure circuits are de-energized during maintenance.

5. Regular Inspection – Inspect mechanical parts, contact wear, and terminal connections for long-term safe operation.