SPECIFICATIONS
| Model Name | BRD-E3-30K |
| Type | Dynamic Braking Resistor Unit |
| Compatible Inverter Models | SJ700 / SJ700D / SJ700B Series |
| Voltage Class | 3-Phase 400 V |
| Applicable Motor Capacity | 30 kW (40 HP) |
| Resistance Value (R) | Approximately 20 Ω |
| Continuous Power Rating | 3.9 kW |
| Peak Power Rating | Approx. 47 kW (10% duty) |
| Duty Cycle | 10% ED (1 s ON / 9 s OFF) |
| Cooling Method | Natural Air Cooling (optional fan-assisted) |
| Protection Rating | IP20 Enclosure |
| Mounting Style | Wall or Panel Mount |
| Connection | Connect between inverter P(+) and RB terminals |
| Weight | Approx. 4.5 kg (9.9 lb) |
Manuals and Specifications
| Brochure | Hitachi SJ700 Series Brochure |
SERIES DESCRIPTION
The Hitachi BRD-E3-30K is a braking resistor unit engineered for 400 V class SJ700 Series Inverters. It dissipates regenerative energy generated during deceleration, preventing overvoltage trips and ensuring stable inverter performance in high-inertia load applications.
Features
- Designed for 30 kW (40 HP) 400 V class inverters
- Efficient energy dissipation during rapid deceleration
- Durable IP20-rated enclosure with natural air cooling
- Compact wall-mountable design for easy integration
- Complies with Hitachi’s SJ700 inverter protection and duty standards
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