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7CC408.50-1


The 7CC408.50-1 is a 3-pole, 50A thermal-magnetic circuit breaker designed for industrial power distribution systems. With a 10kA breaking capacity at 480V AC, this compact DIN-rail mounted device provides reliable overcurrent and short-circuit protection for motors, transformers, and power circuits.

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General Parameters
Parameter Specification
Model Number 7CC408.50-1
Type Circuit Breaker Module
Rated Current 50A
Voltage Rating 480V AC/250V DC
Poles 3P (3-phase)
Breaking Capacity 10kA at 480V AC
Electrical Characteristics
Trip Characteristics: C-curve (10-15× In)

Operating Voltage: 208-480V AC, 24-250V DC

Power Loss: <5W per pole at rated current

Insulation Resistance: >100MΩ at 500V DC

Mechanical Specifications
Parameter Specification
Mounting DIN Rail (TS35)
Connection Screw terminal (25mm² max)
Operating Temp. -25°C to +60°C
Storage Temp. -40°C to +85°C
Dimensions 90 × 70 × 65mm (W×H×D)
Weight 450g
Protection Features
Overload Protection: Thermal-magnetic trip

Short Circuit Protection: Instantaneous magnetic trip

Status Indication: Mechanical ON/OFF flag

Arc Containment: Fully enclosed design

Certifications & Standards
Safety: UL 489, IEC 60947-2

Marine: DNV-GL, ABS

Industrial: CE, RoHS

Environmental: IP20 (front), IP00 (terminals)

Ordering Information
Base Model: 7CC408.50-1

Options:

7CC408.50-1/AUX (with auxiliary contacts)

7CC408.50-1/SD (with shunt trip)

7CC408.50-1/UV (with undervoltage release)

Typical Applications
Industrial motor protection

Power distribution panels

HVAC control systems

Marine electrical systems

Renewable energy installations

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7CC408.50-1 Circuit Breaker Module - Product Description
Robust Circuit Protection for Industrial Power Systems
The 7CC408.50-1 is a 3-pole, 50A circuit breaker designed for reliable overcurrent protection in demanding industrial environments. Featuring 10kA breaking capacity and C-curve tripping characteristics, this DIN-rail mounted module ensures safe operation of motors and power circuits.

Key Features
✔ High Breaking Capacity: 10kA at 480V AC
✔ Versatile Mounting: Tool-free DIN rail installation
✔ Visual Status Indication: Clear ON/OFF flag
✔ Wide Temperature Range: -25°C to +60°C operation
✔ Multiple Certifications: UL, IEC, DNV-GL compliant

Why Choose This Circuit Breaker?
✅ Space-saving Design: Compact 90mm width
✅ Maintenance-Free: No periodic adjustments needed
✅ Secure Connections: Torque-controlled screw terminals
✅ Field-Expandable: Optional accessories available

Technical Specifications
Rated Current: 50A

Voltage Rating: 480V AC / 250V DC

Trip Curve: C (10-15× In)

Terminals: Accepts 4-25mm² conductors

Ordering Options
Standard model: 7CC408.50-1

Accessories: Mounting base (7CC408-MB), Terminal covers (7CC408-TC)

(All specifications subject to verification with manufacturer documentation.)