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Brush SafeBond - DC Switchgear
FromBrush Group
SafeBond integrates the feeder circuit breaker function and the remote bonding function into one standard Lightning panel footprint, a big advantage in floor space saving, civil engineering, cabling and operational consistency and safety.
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SafeBond incorporates the NDC high speed, unidirectional circuit breaker, featuring the award-winning magnetic actuator, to carry out the making and breaking of all load and fault currents, whilst an ‘off-load’ motorised two position disconnector selects the circuit.
With the disconnector in the positive position and the NDC circuit breaker closed, the positive busbar is connected to the track feeder cable thereby functioning as a standard feeder circuit breaker.
- Asset Life Extension
- Custom Solutions
- Lower Total Cost of Ownership (TCO)
- Proven Design
- Property : Rating
- Nominal Voltage : 750-1500V dc
- Rated Voltage : 900-1800V dc
- Rated Insulation Voltage : 1800-3000kV
- Power-Frequency Withstand Level : 9 kV (ac)
- Rated Impulse Withstand Level : 20 kV (ac)
- Rated Short-Time Withstand Current : 100kAp / 71kA 250ms
- Rated Short-Circuit Current : 180kAP/125kA – 142kAP/100kA
- Auxiliary Operating Supply : 48 / 110 / 220V dc
- Specified Service Life : 30 Years
- Standards : BS EN 50123
- Environmental Conditions : As EN 50123-1 clause 4.1, normal
- Max and Min Operating Temperature : 40 / -5 Deg C
- Degree of Pollution : EN50124-1 PD4
Enhanced Functionality
Feeder circuit breaker and bonding functions integral to one panel
Ease of Operation
Proven ‘off-load’ two position disconnector selects the circuit
Improved Operator Safety
Electrical control/interlocking schemes to suit customer requirements
Ease of Installation
No additional civil engineering/cabling or outdoor housing costs
Automation Ready
SCADA remote control of complete unit as standard