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Specification & Description
| Specification | Description |
|---|---|
| Part Number | GB2CB16 |
| Manufacturer | Schneider |
| Product Type | Motor Circuit Breaker |
| Poles | 1 Pole |
| Rated Current | 10 A |
| Rated Operational Voltage | 277 V ac |
| Network Frequency | 50/60 Hz |
| Breaking Capacity | 2 kA at 110 V ac, 1.5 kA at 230/240 V ac, 1.5 kA at 24 V dc |
| Utilisation Category | Category A, DC-12, DC-13 |
| Mounting Type | DIN Rail Mount |
| Dimensions | 74 x 15 x 67 mm |
| Trip Unit Technology | Thermal-magnetic |
| Magnetic Tripping Current | 138 A |
| Mechanical Durability | 8000 cycles |
| Electrical Durability | 8000 cycles |
| Connection Terminals | Suitable for cables 0.75…6 mm² solid and 0.75…4 mm² flexible with cable end |
| Tightening Torque | 1.2 N.m |
| Operating Altitude | Up to 3000 m |
| Ambient Operating Temperature | -20…60 °C |
| Ambient Storage Temperature | -40…80 °C |
| Degree of Protection | IP20 conforming to IEC 60529 |
| Compliance | EN/IEC 60947-1, EN/IEC 60947-2, CSA C22.2 No 235, UL 1077 |
The Schneider GB2CB16 Motor Circuit Breaker is a robust and reliable solution designed to protect motors in industrial applications. This single-pole breaker is rated for 10 A and can handle voltages up to 277 V ac, making it suitable for a wide range of control circuits. Its compact dimensions of 74 x 15 x 67 mm allow for efficient use of space on a DIN rail mount, facilitating easy installation within electrical enclosures.
Crafted with thermal-magnetic trip unit technology, the GB2CB16 ensures precise protection by responding to both thermal (overload) and magnetic (short-circuit) conditions. The magnetic tripping current is set at 138 A, providing a swift response to fault conditions and helping to minimise potential damage to the motor and associated equipment.
The breaker is engineered to perform reliably, with a mechanical and electrical durability of 8000 cycles, ensuring long-term operation with minimal maintenance. It also boasts a breaking capacity of 2 kA at 110 V AC and 1.5 kA at both 230/240 V AC and 24 V DC, in accordance with IEC standards.
For ease of use, the GB2CB16 features a toggle control type and offers a variety of connection options to accommodate different wire sizes and types. It is designed to meet international standards, including EN/IEC 60947-1 and 60947-2, CSA C22.2 No 235, and UL 1077, ensuring compliance with global electrical regulations.
The Schneider GB2CB16 is a dependable choice for motor circuit protection, offering both performance and peace of mind in a compact, easy-to-install package.
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Frequently Asked Questions
What type of device is this?
This is a thermal-magnetic circuit breaker designed for control circuits.
Can this circuit breaker be used with both AC and DC power supplies?
Yes, it is suitable for both AC and DC network types.
What is the utilisation category for this circuit breaker?
The utilisation category is Category A conforming to IEC 60947-2, DC-12 and DC-13 conforming to IEC 60947-5-1.
What is the rated operational voltage of this circuit breaker?
The rated operational voltage is 277 V AC 50/60 Hz conforming to UL 1077 and CSA C22.2 No 14, and 48 V DC.
What is the breaking capacity of this circuit breaker?
The breaking capacity is Icu = 2 kA at 110 V AC 50/60 Hz, Icu = 1.5 kA at 230/240 V AC 50/60 Hz, and Icu = 1.5 kA at 24 V DC, all conforming to IEC 60947-2.
What is the IP degree of protection for this circuit breaker?
The IP degree of protection is IP20 conforming to IEC 60529.
What are the ambient operating and storage temperatures for this circuit breaker?
The ambient air temperature for operation is -20 to 60 °C, and for storage, it is -40 to 80 °C.
What is the maximum operating altitude for this circuit breaker?
The maximum operating altitude is 3000 metres.
How is this circuit breaker mounted?
It is designed for DIN rail mounting and can be mounted by clips on a plate or rail.
What is the mechanical and electrical durability of this circuit breaker?
The mechanical and electrical durability are both rated at 8000 cycles.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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