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Separator built-in SPD "JB Series"

Contributes to more efficient wiring work and reduced installation space

Separator built-in SPD "JB Series"

FEATURES

  • Built-in separator type
  • Compliant with JIS agreement type dimensions for 5 poles
  • Failure indication by mechanical method
  • Operation status can be determined even when power is not supplied

APPLICATION

  • Compliant with JIS standard circuit breaker dimensions for lighting distribution boards (5 poles)
  • Compliant with standard specifications for public building construction
  • Conforms to building equipment design standards

MODEL

  • JB-275/JB-440

SPECIFICATIONS

Exam Class

Class I, Class II

Applicable power distribution method

Single-phase two-wire, single-phase three-wire, three-phase three-wire, three-phase four-wire

Maximum continuous operating voltage Uc
  • JB-275
  • JB-440
Class I
  • Impulse discharge current I imp
  • Total discharge current I total
Class II
  • Nominal discharge current In
  • Maximum discharge current Imax
  • Total discharge current Itotal
Voltage protection level Up
(LL, LN, LE)
  • JB-275
  • JB-440
Rated short circuit current ISCCR

25 kA

Temporary Overvoltage TOV

600 V / 30 A (1s withstand mode @N-E)

Remarks
  • A flat pin keeper type guide pin is required separately.
  • MTCOMPACT short type requires a dedicated assembly and removal tool.

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