Gmt32 AC230, AC400V. 0.5A, 1A, 3A, 5A, 10A Miniature Circuit Breaker

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Core: Core-type Transformer
• Model NO.: GMT32 miniature circuit breaker
• Cooling Method: Dry-type Transformer
• Winding Type: Separated Winding Transformer
• Certification: ISO9001, CCC
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: OD
• Brand: ABB
• Transport Package: Paper
• Specification: 6.8X7.2X8.2cm
• Trademark: angaodianqi
• Origin: China
• Package Size: 8.00cm * 8.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

GMT32 AC230, AC400V. 0.5A, 1A, 3A, 5A, 10A miniature circuit breaker

GMT32 Miniature Circuit Breaker (hereinafter referred to as the circuit breaker) features small size, high breaking capacity, sensitive operation, and small voltage drop, among other characteristics. It is suitable for PT networks with AC 50Hz, a rated current of 10A and below, and a rated voltage of 230V/400V. It is used for distributing electrical energy, serving as short-circuit protection for lines and power supply equipment, and can also be applied to infrequent switching operations. 

Main technical parameters

 Rated working voltage (Ue): AC230/400V (1P); AC400V(2P,3P,4P);

 Rated insulation voltage (Ui): 500V;
Rated current (In): 0.5A, 1A, 3A, 5A, 10A;
Rated impulse withstand voltage (Uimp): 6kV;
Rated short-circuit capacity (Icu): 6kA;

Short circuit capability (Ics): Ics=Icu;

Polarity: 1P, 2P, 3P, 4P;
Instantaneous release type: Type B (3.15In (1 ± 20%)), see Table 1;
Reference ambient temperature: 30 ℃;
Mechanical lifespan: 8500 cycles; Electrical lifespan: 1500 cycles;

Types of attachments that can be attached: see Table 4;
Terminal block: threaded terminal block;

Maximum wiring capacity: 25mm

 Installation screw tightening torque: 2-2.5N · m²

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Altitude: ≤ 2000m
Environmental temperature: -45 ℃ to+40 ℃ 
At an ambient temperature of+40 ℃, the relative humidity should not exceed 50%. Lower temperatures can have higher humidity, for example, at 20 ℃, the relative humidity can reach 90%. Corresponding measures should be taken for frost caused by temperature changes;
Pollution level :2;
Capable of withstanding the effects of humid air, salt spray, and oil mist;
In a medium without explosive hazards, and where there is no gas or conductive dust that can corrode metals or damage insulation;
It should be installed in a place without rain or snow invasion;
When the user's usage conditions are more severe than the above, they should consult with the manufacturer.

right elevation

left elevation

back elevation

Wiring diagram

Drawings & Dimensions

Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

Shandong Angao Electric Equipment Co., Ltd.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Charging station
DC screen
Sheet metal shell

FAQ

Q: What’s the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.

Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.