Schneider Electric Acti9 C60H-DC A9N61512 20A 1-Pole C-Curve DC MCB – 6kA, 250V DC
The Schneider Electric A9N61512 Acti9 C60H-DC is a 20A 1P C-curve DC MCB with 6kA breaking capacity at 250V DC, providing reliable overload and short-circuit protection for DC distribution, control and industrial applications.
Description
The Schneider Electric A9N61512 Acti9 C60H-DC MCB is a compact 20A 1-pole DC miniature circuit breaker designed to provide dependable protection against DC overload and short-circuit currents. As part of the Schneider Electric Acti9 C60H-DC range, it combines circuit protection, control and isolation for suitable direct-current electrical systems.
With a 20A rated current, C-curve thermal-magnetic protection, and 250V DC rated operational voltage, the A9N61512 DC MCB is suitable for DC distribution and feeder circuits where reliable fault protection is required. Schneider Electric specifies an ultimate breaking capacity of 6kA at 250V DC, 10kA at 220V DC, and 20kA at 110V DC for this 1P C60H-DC configuration.
The C-curve characteristic combines thermal protection for overload conditions with magnetic protection against short-circuit faults. This makes the Schneider A9N61512 20A DC MCB suitable for applications where connected DC equipment may experience moderate starting or inrush currents while still requiring dependable circuit protection.
The breaker provides suitability for industrial isolation according to IEC/EN 60947-2 and supports additional accessories for auxiliary functions, remote monitoring and residual-current protection where compatible. Schneider Electric also highlights fast closing independent of toggle actuation speed and flexible installation using compatible comb busbar systems.
The A9N61512 is specifically part of the Acti9 C60H-DC family for DC circuits. Schneider’s technical documentation specifies that the C60H-DC devices are polarised, so the manufacturer’s polarity requirements must be observed during installation. The range is intended for applications including industrial control, automation, transport and renewable-energy systems.
For solar or photovoltaic DC applications, selection should be based on the complete system design, including operating voltage, polarity, prospective fault current and applicable installation standards. The A9N61512 should not be treated as a dedicated PV MCB solely because it is used in a solar application.
| Specification | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Product Range | Acti9 C60H-DC |
| Product Type | Miniature Circuit Breaker (MCB) |
| Model / Reference | A9N61512 |
| Rated Current (In) | 20A at 25°C |
| Number of Poles | 1P |
| Number of Protected Poles | 1 |
| Network Type | DC |
| Trip Unit Technology | Thermal-magnetic |
| Tripping Curve | C Curve |
| Rated Operational Voltage (Ue) | 250V DC |
| Breaking Capacity at 250V DC (Icu) | 6kA |
| Breaking Capacity at 220V DC (Icu) | 10kA |
| Breaking Capacity at 110V DC (Icu) | 20kA |
| Service Breaking Capacity at 250V DC (Ics) | 4.5kA / 75% of Icu |
| Service Breaking Capacity at 220V DC (Ics) | 7.5kA / 75% of Icu |
| Service Breaking Capacity at 110V DC (Ics) | 15kA / 75% of Icu |
| Utilisation Category | Category A |
| Isolation Suitability | Yes |
| Standard | IEC/EN 60947-2 |
| Protection Functions | Overload and short-circuit protection |
| Additional Functions | Control and isolation |
| Polarity | Polarised; specified polarity must be observed |
| Network Frequency | 50/60 Hz |
| Installation | Acti9 compatible DIN-rail system |
| Busbar Compatibility | Comb-busbar compatible |
| Accessories | Auxiliaries, remote monitoring and compatible Vigi options |
Key Features
- 20A rated DC miniature circuit breaker for dependable DC circuit protection.
- 1-pole (1P) configuration for compact installations.
- C-curve thermal-magnetic tripping characteristic.
- 6kA breaking capacity at 250V DC.
- 10kA breaking capacity at 220V DC.
- 20kA breaking capacity at 110V DC.
- 250V DC rated operational voltage.
- Provides reliable DC overload and short-circuit protection.
- Suitable for circuit control and isolation.
- Suitable for industrial isolation according to IEC/EN 60947-2.
- Category A utilisation classification.
- Fast closing independent of the speed of toggle actuation.
- Supports compatible auxiliary and remote-monitoring accessories.
- Compatible with Acti9 comb-busbar systems.
- Polarised design for appropriate DC circuit protection.
- Suitable for DC distribution, industrial control and automation applications.
Applications
The Schneider Electric A9N61512 20A DC MCB is suitable for appropriately designed DC electrical systems, including:
- DC distribution systems
- DC feeder circuits
- DC control circuits
- Industrial control panels
- Industrial automation systems
- Auxiliary DC power circuits
- Battery-powered electrical systems
- DC instrumentation and control equipment
- Transport electrical systems
- Renewable-energy DC circuits
- DC equipment protection
- Electrical panels requiring 20A DC circuit protection
- Applications requiring a 1P C-curve DC MCB
The Schneider Electric C60H-DC family is intended for direct-current circuits, including industrial control, automation, transport and renewable-energy applications.
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