• LS Electric BK63H/BK63HU MCB Accessories (AX, AL, SHT, UVT, OVT)
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LS Electric BK63H/BK63HU MCB Accessories (AX, AL, SHT, UVT, OVT)

LS Electric BK63H/BK63HU MCB Accessories (AX, AL, SHT, UVT, OVT)

Clip-on auxiliary/alarm contacts and shunt, undervoltage and overvoltage releases for LS Electric BK63H, BK63H DC and BK63HU MCBs.

Key features

  • AX signals breaker ON/OFF; AL signals trip
  • SHT-H: 85-110% Ue operating range; dedicated DC 24 V SHT version available (specify when ordering)
  • UVT trips at 35-70% Ue; OVT-H trips at 280 V +/-5% (BK63H only)
  • Hook (click) mounting on the breaker side; fit SHT/UVT/OVT first, then AX/AL
  • -H versions for BK63H/BK63H DC, -HU versions for BK63HU

Specifications

Contact rating (DC) 1A 110V / 2A 48V
AX/AL durability 10,000 operations
Wire range 0.75-2.5 mm2
Standard IEC 60947-5-1
Weight AX/AL 48 g, SHT/OVT 100 g, UVT 110 g
Source LS Electric MCB & Circuit Protector catalog (KO) C01531-14, p. 7, 11, 15-16, 28
AX-H Category: Auxiliary contact (AX) | Applicable MCB: BK63H / BK63H DC | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
AL-H Category: Alarm contact (AL) | Applicable MCB: BK63H / BK63H DC | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
SHT-H Category: Shunt trip (SHT) | Applicable MCB: BK63H / BK63H DC | Rating: AC 110-380V, DC 60-220V | Width: 17.5 mm
OVT-H Category: Overvoltage trip (OVT) | Applicable MCB: BK63H | Rating: AC 220V, trips at 280V | Width: 17.5 mm
UVT-H Category: Undervoltage trip (UVT) | Applicable MCB: BK63H | Rating: AC 110/220/380V | Width: 17.5 mm
AX-HU Category: Auxiliary contact (AX) | Applicable MCB: BK63HU | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
AL-HU Category: Alarm contact (AL) | Applicable MCB: BK63HU | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
SHT-HU Category: Shunt trip (SHT) | Applicable MCB: BK63HU | Rating: AC 110-380V, DC 60-220V | Width: 18 mm
UVT-HU Category: Undervoltage trip (UVT) | Applicable MCB: BK63HU | Rating: AC 110-380V | Width: 18 mm
AccessoriesLS Electric
9 product codes available in this family
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LS Electric BK63H/BK63HU MCB Accessories (AX, AL, SHT, UVT, OVT)

Brand LS Electric·Accessories

Available part numbers (9)

AX-H, AL-H, SHT-H, OVT-H, UVT-H, AX-HU, AL-HU, SHT-HU, UVT-HU

How to order

Send the LS Electric part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
AX-HCategory: Auxiliary contact (AX) | Applicable MCB: BK63H / BK63H DC | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
AL-HCategory: Alarm contact (AL) | Applicable MCB: BK63H / BK63H DC | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
SHT-HCategory: Shunt trip (SHT) | Applicable MCB: BK63H / BK63H DC | Rating: AC 110-380V, DC 60-220V | Width: 17.5 mm
OVT-HCategory: Overvoltage trip (OVT) | Applicable MCB: BK63H | Rating: AC 220V, trips at 280V | Width: 17.5 mm
UVT-HCategory: Undervoltage trip (UVT) | Applicable MCB: BK63H | Rating: AC 110/220/380V | Width: 17.5 mm
AX-HUCategory: Auxiliary contact (AX) | Applicable MCB: BK63HU | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
AL-HUCategory: Alarm contact (AL) | Applicable MCB: BK63HU | Rating: 6A 240VAC / 3A 415VAC | Width: 9 mm
SHT-HUCategory: Shunt trip (SHT) | Applicable MCB: BK63HU | Rating: AC 110-380V, DC 60-220V | Width: 18 mm
UVT-HUCategory: Undervoltage trip (UVT) | Applicable MCB: BK63HU | Rating: AC 110-380V | Width: 18 mm

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