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GE Energy
Industrial Solutions
DEH-006 Installation Instructions
Distribution Cable Junction Box
For Spectra® RMS Molded-Case Circuit Breakers with microEntelliGuardTM Trip Units,
®
MicroVersaTrip
PM Trip Units or MicroVersaTrip® Plus Trip Units
For Catalog Number SDCJBB
Circuit Breaker Accessory
Overview
The General Electric Distribution Cable Junction Box
is a modular connector used to provide quick, easy
®
and reliable attachment of Spectra
Case Circuit Breakers with microEntelliGuard
®
MicroVersaTrip
PM or Plus Trip Units to the Distribution
RMS Molded-
TM
,
Cable System. The electronic signals supported by the
Distribution Cable Junction Box vary depending on
the type of Molded-Case Circuit Breaker used; a list of
supported functions appears below.
®
Input signals to Spectra
®
MicroVersaTrip
PM Trip Unit
RMS Breaker with
• control power (+24vdc)
• control power (common)
• system communications (Comm +)
• system communications (Comm –)
• breaker position (via installed aux. switch - red wire)
• breaker position (via installed aux. switch - white wire)
• voltage A f (must be from Voltage Module or Voltage
Conditioner Plate or Voltage Conditioner Assembly)
• voltage B f (must be from Voltage Module or Voltage
Conditioner Plate or Voltage Conditioner Assembly)
• voltage C f (must be from Voltage Module or Voltage
Conditioner Plate or Voltage Conditioner Assembly)
• neutral current sensor - black (for equipment ground
• neutral current sensor - white (for equipment ground
Input signals to Spectra® RMS Breaker with
MicroVersaTrip
• control power (+24vdc)
• control power (common)
• neutral current sensor - black (for equipment ground
• neutral current sensor - white (for equipment ground
Input signals to Spectra® RMS Breaker with
microEntelliGuard
• control power (+24vdc)
• control power (common)
• system communications (Comm +)
• system communications (Comm –)
• breaker position (via installed aux. switch - red wire)
• breaker position (via installed aux. switch - white wire)
• voltage A f (must be from Voltage Module or Voltage
• voltage B f (must be from Voltage Module or Voltage
• voltage C f (must be from Voltage Module or Voltage
• neutral current sensor - black (for equipment ground
• neutral current sensor - white (for equipment ground
1
fault)
1
fault)
®
Plus Trip Unit
1
fault)
1
fault)
™
Trip Unit
Conditioner Plate or Voltage Conditioner Assembly)
Conditioner Plate or Voltage Conditioner Assembly)
Conditioner Plate or Voltage Conditioner Assembly)
1
fault)
1
fault)
1
Neutral current sensor input is required for 3 PH/4W or 1 PH/3W systems. For 3
PH/3W systems, do not make any connections.
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Spectra and MicroVersaTrip are registered trademarks and EntelliGuard and
microEntelliGuard are trademarks of the General Electric Company.
These instructions do not cover all details or variations in equipment nor do they
provide for every possible contingency that may be met in connection with installation,
operation, or maintenance. Should further information be desired or should particular
problems arise that are not covered sufficiently for the purchaser’s purposes, the
matter should be referred to the GE Company.
GE Energy
41 Woodford Avenue, Plainville, CT 06062
www.geelectrical.com
© 2011 General Electric Company
imagination at work
DEH-006 Rev. 2 (11/11 M45)
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