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High Voltage Battery Disconnect

HVBD3 Series

The HVBD Series are high performance manual high voltage battery disconnects designed for safe isolation of high voltage battery packs during maintenance and storage. Featuring a patented hermetically sealed design, HVBDs deliver ultra-low contact resistance, high current carry capability, and industry leading dielectric performance up to 1,500 V in harsh environments.

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Continuous duty
300 A
System voltage
1,500 VDC
Weight
425 g
Dielectric withstand
5,375 VDC

Features and applications

HVBD3 at a glance

Features

  • Manual rotary disconnect for safe battery isolation
  • Robust metal to ceramic hermetic seal rated to 175°C terminal temperature
  • Industry leading dielectric withstand voltage for system voltages up to 1,500 V
  • Ultra-low contact resistance for high current carry
  • Oxygen free sealed environment for long term contact stability
  • Compatible with OSHA compliant lockout tagout padlocks
  • Optional SPDT auxiliary contacts for position sensing
  • Patent Pending
  • CE Compliant
  • Designed and Assembled in the USA

Typical applications

  • Battery Energy Storage Systems (BESS)
  • Electric vehicles including buses and trucks
  • Industrial equipment battery systems
  • Charging infrastructure energy storage
  • Maintenance and service disconnect points
  • High voltage battery pack isolation
  • Applications requiring LOTO

Datasheet

Graphs, dimensions, drawings and installation notes are in the HVBD3 datasheet (Rev P).

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Datasheet specifications

HVBD3 performance

Specifications
Contact ArrangementForm X, SPST
Operating VoltageUp to 1,500 VDC (no switching under load)
Dielectric Withstand Voltage5,375 VDC, 1 minute
Continuous Current300 A continuous
Overload CurrentSee graphs below
Make and Break (400 A @ 24 VDC)5,000 cycles
Contact Resistance (Measured at 200 A)Typ: 0.060 mΩ, Max: 0.120 mΩ
Min Insulation Resistance100Mohm
Shock, 1/2 Sine, 11 ms25 G
Vibration, Sinusoidal (10-500 Hz Peak)4 G
Vibration, Sinusoidal (500 Hz-2000Hz Peak)20 G
Operating Temperature-55°C to 85°C
Ingress Protection (Sealed Contacts)Exceeds IP69, (Hermetically Sealed)
Ingress Protection (Housing Feedthrough)IP67
Weight425 g
Case MaterialPA GF
Switch Lever MaterialPA GF
Mounting100 mm | C:C, 2X M8
Mounting PositionAny
Auxiliary ContactsSPDT, 3 A Continuous Duty
Optional Auxiliary Switch
DetailMain contacts close before auxiliary contacts when switching from OFF to ON
DetailAuxiliary contacts open before main contacts when switching from ON to OFF
DetailIP67 sealed
DetailAuxiliary contacts rated to (3 A 30 VDC, 30k cycles)
Datasheet notes
  1. The HVBD is designed to isolate at voltages up to 1,500 VDC. The HVBD is not intended for make/break switching above 100 V.
  2. 170°C max terminal temperature.
  3. Gasket and or RTV required for feedthrough applications where IP67 is required at the housing flange mounting feature.

From the HVBD3 datasheet, Rev P. Download the datasheet for graphs, dimensions and installation.

Part numbers

Build your HVBD3 part number

Choose each option and the part number updates. Only standard part numbers from the datasheet are offered. Copy it, or request a quote for that exact part.

Part number
HVBD3AAR
Current Rating
Mounting
Auxiliary Contacts
Handle Color
6 standard part numbers in the HVBD3 SeriesRequest a quote for this part →

Options and part numbers from the HVBD3 datasheet. Other combinations may be available as custom builds.

All standard HVBD3 part numbers

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Product video

The HVBD3 Series in one minute

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