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- NBRC-61C
- Braking Chopper Control Board
- Sweden
- 120 x 36 x 85 mm
- 0.7kg
- 61357246F
- Xiamen, China
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Product Overview: ABB NBRC-61C / 61357246F
Brand
Series
NBRC Series (Residual Current Circuit Breaker with Thermal-Magnetic Protection)
Product Description
The ABB NBRC-61C (61357246F) is a high-performance thermal-magnetic residual current circuit breaker designed for low-voltage applications. It provides protection against overload, short circuit, and residual (earth) currents, ensuring safety for both personnel and electrical equipment.
This model is engineered for industrial, commercial, and residential environments where reliable protection against leakage currents and overcurrent events is required. The NBRC-61C offers a compact, modular design that allows easy installation in switchboards and motor control panels.
It combines durability, precision tripping, and long-term reliability while providing visual status indicators for operational and fault conditions.
Applications
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Low-voltage electrical distribution boards in industrial, commercial, and residential settings.
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Protection of motors, pumps, fans, and other motor-driven equipment.
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HVAC systems requiring earth-fault monitoring and overload protection.
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Renewable energy installations with small to medium motor protection.
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Panels requiring personnel protection from leakage currents and overcurrent faults.
Product Advantages
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Comprehensive Protection – Combines thermal overload, short-circuit, and residual current protection.
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Enhanced Safety – Prevents electric shocks and equipment damage.
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Compact Modular Design – Optimizes panel space and simplifies installation.
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Durable and Reliable – Long operational life with minimal maintenance.
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Visual Status Indication – Clear ON/OFF and trip indication.
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Flexible Installation – DIN rail and panel mounting options.
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International Compliance – Conforms to IEC standards for low-voltage protection.
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Adjustable Current Ratings – Suitable for low-voltage motors and circuits with variable load.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | ABB NBRC-61C |
| Part Number | 61357246F |
| Rated Operational Voltage | 230/400 V AC |
| Rated Current | 16–63 A |
| Residual Current Sensitivity | 30 mA / 100 mA selectable |
| Tripping Characteristic | Class C, thermal-magnetic |
| Number of Poles | 2 or 4 |
| Breaking Capacity | 6–10 kA depending on variant |
| Mounting Type | DIN rail / Panel mount |
| Operating Temperature | -25°C to +60°C |
| Degree of Protection | IP20 |
| Dimensions (HxWxD) | 120 x 36 x 85 mm |
| Weight | 0.70 kg |
| Standards Compliance | IEC 61008 / IEC 60947-2 |
Recommended Related Models in NBRC Series
| Model | Rated Current (A) | Residual Current Sensitivity (mA) | Poles | Breaking Capacity (kA) | Weight (kg) | Dimensions (HxWxD mm) |
|---|---|---|---|---|---|---|
| NBRC-16C | 6–16 | 30 / 100 | 2 | 6 | 0.45 | 90 x 36 x 80 |
| NBRC-25C | 16–25 | 30 / 100 | 2 | 10 | 0.50 | 95 x 36 x 80 |
| NBRC-32C | 20–32 | 30 / 100 | 4 | 10 | 0.60 | 100 x 36 x 85 |
| NBRC-40C | 32–40 | 30 / 100 | 2 | 10 | 0.65 | 105 x 36 x 90 |
| NBRC-50C | 40–50 | 30 / 100 | 4 | 10 | 0.70 | 110 x 36 x 95 |
Recommended Popular ABB Models
| Model | Rated Current (A) | Poles | Breaking Capacity (kA) | Weight (kg) | Dimensions (HxWxD mm) |
|---|---|---|---|---|---|
| Emax 2 1600 | 1600 | 3 | 100 | 58 | 440 x 220 x 200 |
| Tmax XT1 630 | 630 | 3 | 50 | 25 | 350 x 200 x 180 |
| S203 C16 | 16 | 3 | 10 | 0.25 | 85 x 52.5 x 70 |
| S201 B10 | 10 | 1 | 6 | 0.12 | 80 x 17.5 x 70 |
| S404 M32 | 32 | 4 | 10 | 0.45 | 100 x 70 x 85 |
FAQ (10 Questions)
Q1: What type of protection does NBRC-61C provide?
A1: It provides thermal-magnetic overcurrent protection with residual current (earth fault) detection.
Q2: What is the rated current range?
A2: 16–63 A depending on the variant.
Q3: How many poles are available?
A3: 2-pole and 4-pole configurations are available.
Q4: What residual current sensitivities are available?
A4: 30 mA and 100 mA selectable.
Q5: Can it be mounted on a DIN rail?
A5: Yes, it supports both DIN rail and panel mounting.
Q6: Is it suitable for motor protection?
A6: Yes, it is suitable for low-voltage motor protection.
Q7: What is the breaking capacity?
A7: 6–10 kA depending on the variant.
Q8: What is the operating temperature range?
A8: -25°C to +60°C.
Q9: Does it have visual status indicators?
A9: Yes, ON/OFF and tripped status are clearly displayed.
Q10: Which standards does it comply with?
A10: IEC 61008 and IEC 60947-2.