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- ABB
- NBIO-21C
- BASIC I/O UNIT
- Sweden
- 90 x 36 x 78 mm
- 0.35kg
- 64009141
- Xiamen, China
- New & In Stock
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- 1 Year
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview: ABB NBIO-21C / 64009141
Brand
Series
NBIO Series (Thermal Magnetic Circuit Breaker)
Product Description
The ABB NBIO-21C (64009141) is a compact thermal-magnetic circuit breaker designed for low-voltage applications to provide reliable protection against overcurrent and short circuits. Its precise tripping mechanism combines thermal overload protection with instantaneous magnetic protection, ensuring optimal safeguarding for circuits and connected equipment.
The NBIO-21C is particularly suited for small to medium electrical installations, offering consistent operational reliability. Its modular design allows for easy installation in switchboards and control panels, while maintaining safety and compliance with low-voltage protection standards.
This breaker is ideal where space constraints and reliable circuit protection are essential, offering a long service life and low maintenance requirements.
Applications
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Protection of small to medium-sized electrical circuits in industrial and commercial facilities.
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Motor protection for pumps, fans, compressors, and conveyors.
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Electrical distribution panels in residential, commercial, or light industrial environments.
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Protection of HVAC systems and associated electrical components.
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Renewable energy systems including solar power distribution and small wind energy setups.
Product Advantages
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Reliable Circuit Protection – Thermal-magnetic tripping ensures protection against overloads and short circuits.
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Compact Design – Saves panel space and allows flexible installation.
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Long Operational Life – Engineered for repeated tripping and long-term durability.
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Easy Installation – Supports DIN rail mounting and panel mounting for versatile integration.
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Visual Status Indication – Provides clear ON/OFF indication to facilitate diagnostics.
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Standards Compliance – Meets international standards for low-voltage circuit protection.
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Low Maintenance – Designed for minimal servicing over its operational lifetime.
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Flexible Current Ratings – Adjustable to accommodate a range of electrical loads.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | ABB NBIO-21C |
| Part Number | 64009141 |
| Rated Operational Voltage | 240/415 V AC |
| Rated Current | 1–20 A |
| Tripping Characteristic | Class C, thermal-magnetic |
| Number of Poles | 2 |
| 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) | 90 x 36 x 78 mm |
| Weight | 0.35 kg |
| Standards Compliance | IEC 60898 / IEC 60947-2 |
Recommended Related Models in NBIO Series
| Model | Rated Current (A) | Poles | Breaking Capacity (kA) | Weight (kg) | Dimensions (HxWxD mm) |
|---|---|---|---|---|---|
| NBIO-10C | 1–10 | 1 | 6 | 0.18 | 85 x 17.5 x 70 |
| NBIO-16C | 6–16 | 2 | 10 | 0.40 | 90 x 35 x 75 |
| NBIO-25C | 16–25 | 2 | 10 | 0.45 | 100 x 36 x 80 |
| NBIO-32C | 20–32 | 2 | 10 | 0.50 | 105 x 36 x 85 |
| NBIO-40C | 32–40 | 2 | 10 | 0.55 | 110 x 36 x 90 |
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 is the rated current range for NBIO-21C?
A1: The device supports 1–20 A.
Q2: How many poles does this circuit breaker have?
A2: NBIO-21C has 2 poles.
Q3: Can it be mounted on a DIN rail?
A3: Yes, it supports both DIN rail and panel mounting.
Q4: What protection functions does it provide?
A4: Thermal protection for overloads and magnetic protection for short circuits.
Q5: Is NBIO-21C suitable for motor protection?
A5: Yes, it can protect small motors like pumps, fans, and compressors.
Q6: What is the operating temperature range?
A6: -25°C to +60°C.
Q7: Does it have visual status indication?
A7: Yes, it clearly indicates ON/OFF and tripped conditions.
Q8: What is its breaking capacity?
A8: The rated breaking capacity is 6–10 kA depending on variant.
Q9: Can it be used in residential and commercial panels?
A9: Yes, it is suitable for low-voltage panels in both environments.
Q10: Is it compliant with international standards?
A10: Yes, it meets IEC 60898 and IEC 60947-2 standards.