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B&R 8B0W0045H000.000-1
8B0W external braking resistors can be used to dissipate braking energy with B&R drive systems.Compact designHigh peak load capacityIntrinsically safeIP20 protectionOptimally suited for B&R drive syst…
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Description
8B0W external braking resistors can be used to dissipate braking energy with B&R drive systems.Compact designHigh peak load capacityIntrinsically safeIP20 protectionOptimally suited for B&R drive systems
Braking resistor, 450 W, 50 R, IP20, terminals
Specification
| RoHS-compliant | Yes |
|---|---|
| Cooling and mounting type | Wall mounting |
| CE | Yes |
| UKCA | Yes |
| CRA (Cyber Resilience Act) | Not applicable |
| UL | UL E208678 Power circuit and motor-mounted apparatus – Component |
| KC | Yes |
| With wire end sleeve | 1.5 to 10 mm² |
| UL/C-UL-US | 24 to 6 AWG |
| CSA | 22 to 6 AWG |
| Standing horizontally | IP20 |
| Hanging vertically | 1.517 K/W |
| Reduction of continuous power depending on ambient temperature | 7.5 W/K (starting at 40°C) |
| Ohmic resistance | 50 Ω ±10% |
| Max. operating voltage | 850 VDC |
| Insulation voltage type test | 4,000 VAC |
| Intrinsically safe | Yes (for operating voltages ≥500 VDC) |
| RB1, RB2 | Terminals with tension spring technology |
| PE | M5 threaded bolt |
| Shield connection | Yes, on the connection box via high-strength cable gland |
| Terminal cable outer cross section dimension of attachment cable | 9 to 16.6 mm |
| Thermal capacity | 30.88 Ws/K |
| Max. permissible overtemperature | 683°C |
| Connection box, bottom | IP21 |
| Connection box, top | – |
| Operation | 5 to 95% |
| Width | 124 mm |
| Height | 121 mm |
| Depth | 403 mm |
| Weight | 2.4 kg |
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