ABB OETL-NF200A Switch Disconnector

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Product Name

ABB OETL-NF200A Switch Disconnector

Product Overview

The ABB OETL-NF200A Switch Disconnector is a high-performance non-fusible switch designed for low-voltage power distribution. This series of disconnectors is intended for power entry points, control cabinets, and motor control centers (MCCs), providing reliable circuit isolation, safe operation and maintenance assurance. It features a rugged design, clear status indication, and standardized mounting configurations, delivering excellent performance in industrial environments.

Technical Specifications (Reference)

• Model: OETL-NF200A

• Type: Non-fusible Switch Disconnector

• Rated Current: 200 A (typical)

• Rated Voltage: Up to 600 V AC (suitable for low-voltage distribution)

• Poles: 3-pole (3P)

• Operation: Manual rotary or lever operation, with clear “ON/OFF” indication

• Terminals: Screw or crimp terminals (depending on version)

• Protection Class: IP20 standard; optional cover to IP30

• Mounting: Panel or DIN-rail mounting, adaptable to various control cabinet layouts

• Operating Temperature: -25 °C to +70 °C

• Storage Temperature: -40 °C to +85 °C

• Standards: Complies with IEC 60947-3, UL 98, CSA C22.2 No.4

• Mechanical Life: ≥ 10,000 operations

• Additional ratings (insulation, impulse, short-circuit capacity) to be verified per version

Features & Advantages

1. High Reliability Construction – Industrial-grade components and robust housing for harsh environments.

2. Clear Status Indication – ON/OFF visible marking for intuitive operation.

3. Safe Isolation – Non-fusible design allows reliable circuit disconnection for maintenance.

4. Flexible Modular Mounting – Panel or DIN rail compatible, suitable for many layout configurations.

5. Standard Compatibility – Meets international standards, simplifies global engineering deployment.

6. Easy Maintenance – Simple structure enables swap-out and servicing with minimal downtime.

Applications

• Industrial power distribution and main power disconnects

• Motor control centers (MCCs) circuit isolation

• Factory production line control cabinets and maintenance isolation

• Commercial building power distribution panels

• Power plant, substation and large infrastructure low-voltage switchgear

• Industries such as port, mining, water treatment, paper, chemical process control

Installation & Safety Notes

1. Disconnect Power Before Service – Always remove main power before installation or maintenance.

2. Proper Sizing – Select the correct rating for current, voltage and environment.

3. Wiring Practices – Separate signal/control wiring from main power cabling; avoid routing together.

4. Grounding – Ensure the device is properly grounded to improve safety and performance.

5. Routine Inspection – Check terminal tightness, indication clarity and enclosure integrity periodically.

6. Match Protection Rating – Choose suitable IP rating version based on environment conditions.

The structure and details of the product：

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