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Schneider Electric Miniature Circuit Breaker - C60H-DC - 2P 63A

Schneider Electric Miniature Circuit Breaker - C60H-DC - 2P 63A

This Schneider Electric Miniature Circuit Breaker, model A9N61539 from the C60H-DC series, is a 2-...

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Product Information

Full details

This Schneider Electric Miniature Circuit Breaker (model A9N61539) is designed for professionals requiring robust DC circuit protection. Its key benefit is reliable overcurrent and short-circuit protection for DC circuits up to 500V, with a 20 kA breaking capacity. A potential consideration is its specific DC application, meaning it is not suitable for AC circuits. Key features include its 2-pole design, 63A rating, Type C tripping characteristic, and DIN rail mounting.

All features

SeriesC60H-DC
Model Part NumberA9N61539
BrandSchneider Electric

Extended Product Information

FAQs

Can this breaker be used for AC circuits?

No, the Schneider Electric C60H-DC series is specifically designed and rated for DC (Direct Current) circuits only. Using it on AC circuits can lead to malfunction and safety hazards.

What is the correct way to wire a 2-pole DC breaker?

Connect the positive (+) conductor to one pole and the negative (-) conductor to the other pole. Ensure correct polarity and that both poles are switched simultaneously.

What does 'Type C' tripping characteristic mean?

A Type C breaker trips when the current reaches 5 to 10 times its rated current. This makes it suitable for circuits with moderate inrush currents, such as those powering motors or fluorescent lighting.

What is the breaking capacity of this circuit breaker?

The breaking capacity is 20 kA (kiloamperes), meaning it can safely interrupt fault currents up to 20,000 Amperes.

How do I know if this breaker is the right choice for my application?

This breaker is suitable for DC circuits requiring a 63A rating, a Type C tripping characteristic, and operating at voltages up to 500V. Always consult your system's electrical design specifications.

What does 'Green Premium' certification indicate?

Green Premium is Schneider Electric's label for products that are compliant with environmental regulations (like RoHS) and have a low environmental impact throughout their lifecycle.

Is professional installation required?

Yes, due to the nature of electrical work and the specific requirements for DC circuits, professional installation by a qualified electrician is strongly recommended to ensure safety and compliance.

Troubleshooting

Breaker trips frequently under normal load

Check for overloaded circuits. Verify the connected load does not exceed the 63A rating. Ensure the Type C tripping characteristic is appropriate for the load's inrush current. Inspect wiring for any short circuits.

Breaker will not reset after tripping

Identify and rectify the fault condition (overload or short circuit) that caused the trip. If the fault is cleared and the breaker still won't reset, it may be damaged and require replacement.

Breaker does not trip under fault conditions

This indicates a potentially serious safety hazard. Do not use the circuit. Immediately replace the breaker and have the system inspected by a qualified electrician.

Signs of overheating at terminals

De-energize the circuit immediately. Inspect the terminal connections for looseness and clean any corrosion. Retighten connections securely. If damage is evident, replace the breaker.

Pros and Cons

Pros

  • Reliable protection for DC circuits.
  • High breaking capacity (20 kA) for fault current handling.
  • Type C characteristic suitable for various load types.
  • Compact design for efficient panel space utilization.
  • Durable construction from a trusted manufacturer.

Cons

  • Exclusively designed for DC applications; not suitable for AC circuits.
  • Requires professional installation for safety and compliance.
  • Specific tripping curve (Type C) may not be optimal for all DC applications.

Setup, Compatibility & Care

Setup:

  1. Ensure the power source is de-energized before installation.
  2. Mount the breaker securely onto a standard 35mm DIN rail.
  3. Connect the DC positive (+) and negative (-) conductors to the designated terminals, observing correct polarity.
  4. Ensure all connections are tight and secure.

Compatibility:

  • This breaker is specifically designed for DC (Direct Current) circuits only.
  • It is compatible with DC systems operating up to 500V.
  • Ensure the system's maximum fault current does not exceed the breaker's 20 kA breaking capacity.
  • Not suitable for AC (Alternating Current) circuits.

Care:

  • Regularly inspect the breaker for any signs of physical damage or overheating.
  • Keep the area around the breaker clean and free of dust and debris.
  • Periodically test the breaker's functionality if the system includes test provisions.
  • Refer to Schneider Electric documentation for detailed maintenance schedules.

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