Molded Case Circuit Breakers
GYCM8 Thermal-Magnetic Molded Case Circuit Breakers
GYCM8 thermal-magnetic molded case circuit breakers are organized by documented frame size, current options and pole configurations for industrial low-voltage circuit protection.
10-630ADocumented current-option span
1P-4PFrame-dependent pole options
230/400/690V ACModel-dependent Ue
Thermal-magneticTrip-unit architecture
Overview | Models | Specifications | Applications | Selection | FAQ | Related Products | RFQ
Product Overview
Product Overview
GYCM8 thermal-magnetic molded case circuit breakers are organized by documented frame size, current options and pole configurations for industrial low-voltage circuit protection.
Key Features
- Five documented frame families from GYCM8-125 through GYCM8-630
- Frame-specific current and pole options
- Thermal-magnetic trip-unit architecture
- Breaking capacity retained as model-specific selection data
Available Models / Configurations
The following configurations are limited to the documented product-family structure.
| Model | Rated Current Options | Poles |
|---|---|---|
| GYCM8-125 | 10, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125A | 1P, 2P, 3P, 4P |
| GYCM8-160 | 10, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 140, 160A | 2P, 3P, 4P; M/H variants exclude 2P |
| GYCM8-250 | 100, 125, 140, 160, 180, 200, 225, 250A | 3P, 4P |
| GYCM8-400 | 250, 315, 350, 400A | 3P, 4P |
| GYCM8-630 | 500, 630A | 3P, 4P |
Technical Specifications
| Specification | Verified product-family value |
|---|---|
| Product Type | Thermal-magnetic molded case circuit breaker |
| Rated Operational Voltage | AC 230 / 400 / 690V, model and pole dependent |
| Rated Insulation Voltage | 1000V |
| Impulse Withstand Voltage | 8kV |
| Selection Category | Category A |
| Breaking Capacity | C / S / M / H capacity codes; Icu and Ics are frame-, pole- and voltage-specific and must be selected from the manufacturer table |
| Mounting | Fixed molded-case circuit-breaker form |
Applications
The supporting image shows a general application environment and does not depict an exact installed configuration.
Industrial distribution panels
Branch and feeder protection where the selected frame, pole count and breaking-capacity table are coordinated.
Machinery power distribution
Low-voltage machinery circuits requiring a documented thermal-magnetic MCCB configuration.
Information to Confirm for Selection
- Required frame and rated current
- Pole count
- System voltage
- Required Icu and Ics at the operating voltage
- Quantity and application
FAQ
How should I select a configuration?
Confirm the model, core rating or adjustment range, physical configuration, system conditions, quantity and application before requesting a quotation.
Are all commercial and optional details shown?
No. Undocumented commercial and optional details are confirmed during quotation.
Related Products
Request a Quote
Provide the required model or configuration, core ratings, quantity, destination country and application. We will confirm availability and commercial details before quotation.