FR-BU2-H75K_Mitsubishi_PRODUCT_吉林易择科技技术发展有限公司

The FR-BU2-H75K is a 75kW braking resistor unit from Mitsubishi Electric’s FR-BU2 series, designed to dissipate regenerative energy in high-power inverter systems. It ensures stable deceleration and protects drives from overvoltage during motor braking.

400-887-3214

DESCRIBE

Key Features & Specifications
1. Power & Performance
Rated Braking Capacity: 75kW (75,000W)

Compatible Inverters: FR-A800, FR-F800 series (75kW models)

Braking Torque: 100% rated torque (adjustable)

Response Time: < 2ms

2. Electrical Ratings
DC Link Voltage: 400V (for 400V class inverters)

Brake Transistor: Built-in IGBT (high-speed switching)

Protection Functions:

Overheat detection (thermal relay)

Short-circuit protection

Overcurrent shutdown

3. Thermal Management
Cooling Method: Forced air cooling (fan included)

Operating Duty Cycle: 10% ED (continuous braking requires external resistor)

Ambient Temperature: -10°C to +50°C (14°F to 122°F)

4. Physical Specifications
Dimensions: 350 × 200 × 180 mm (W×H×D)

Weight: 8.5 kg

Protection Class: IP20 (enclosure recommended)

5. Wiring & Installation
Terminals: Screw-clamp type (for DC bus and braking resistor)

Recommended Resistor: FR-BR-H75K (external resistor for continuous duty)

SERVICE HOTLINE 400-887-3214

Mail jilineasyyi@outlook.com ADDRESS Unit 12, 20th Floor, Good View Commercial Centre, 2-16 Garden Street, Mong Kok, Hong Kong

Q Q： 615739355