SOCIAL
INFRASTRUCTURE
Social Infrastructure Field
Top / Products & Solutions / Social Infrastructure /Separator built-in SPD "JB Series"
Contributes to more efficient wiring work and reduced installation space
-
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
-
Specification
-
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：AC 275V
- JB-440：AC 440V（N-E：AC 275V）
Class I - Impulse discharge current I imp 2.5kA
- Total discharge current I total 5kA
Class II - Nominal discharge current In 10kA
- Maximum discharge current Imax 20kA
- Total discharge current Itotal 40kA
Voltage protection level up - JB-275 < 1500V
- JB-440 < 2400V
Rated short circuit current ISCCR 25 kA
Temporary Overvoltage TOV 600 V / 30 A (1s withstand mode @N-E)
*If the table cannot be displayed in its entirety, please scroll horizontally to view it.
-
DOWNLOAD
-
Catalog download
PDF
Recommended Information
- There are no related articles.