GE Industrial Solutions SDCTBA11 User Manual

GE Energy

Industrial Solutions

GEH-6257 Installation Instructions

Distribution Cable
Terminal Block

For Spectra® RMS Molded-Case Circuit Breakers

TM

with microEntelliGuard

, MicroVersaTrip® PM or MicroVersaTrip® Plus Trip Units

For Catalog Number SDCTBA11

Circuit Breaker Accessory

Spectra
MicroVersaTrip

• Control power (+24vdc)

• Control power (-common)

• System communications (Comm. +)

• System communications (Comm. -)

• Breaker position (Aux. Switch red)

• Breaker position (Aux. Switch white)

• Voltage A φ (must be from Voltage Module or Voltage

Conditioner Plate or Voltage Conditioner Assembly)

• Voltage B φ (must be from Voltage Module or Voltage
Conditioner Plate or Voltage Conditioner Assembly)

• Voltage C φ (must be from Voltage Module or Voltage
Conditioner Plate or Voltage Conditioner Assembly)

• Neutral current sensor - black (for equipment
ground fault)

• Neutral current sensor - white (for equipment
ground fault)

Overview

The General Electric Distribution Cable Terminal Block
is a modular attachment primarily used to provide an
alternate means of connecting input/output signals
to Spectra
microEntelliGuard
Units. The terminal block connection points are as
follows:

®

RMS Molded-Case Circuit Breakers with

TM

or MicroVersaTrip® PM/Plus Trip

Spectra® RMS Breaker with MicroVersaTrip® Plus or
microEntelliGuard

• Control power (+24vdc)

• Control power (-common)

• Neutral current sensor - black (for equipment

ground fault)

• Neutral current sensor - white (for equipment
ground fault)

®

RMS Breaker with microEntelliGuardTM or

®

PM Trip Unit

1

1

TM

(with Basic Metering) Trip Unit

1

1

1

Neutral current sensor input is required for 3Ø/4W or 1Ø/3W systems.
For 3Ø/3W systems do not make any connections.

GEH-6257 Installation Instructions

Figure 1 shows how the Distribution Cable Terminal Block is used in a typical MicroVersaTrip® PM system.

®

Figure 2 shows how the Distribution Cable Terminal Block is used in a typical MicroVersaTrip
microEntelliGuard

TM

Trip Unit can be used with either configuration, i.e. Figure 1 or Figure 2. The connection

Plus system. The

diagram shown in Figure 2 applies to microEntelliGuardTM Trip Units with Basic Metering.

Figure 1. Typical MicroVersaTrip® PM Trip Unit System detailing the Distribution Cable Terminal Block.

GEH-6257 Installation Instructions

Figure 2. Typical MicroVersaTrip® Plus Trip Unit System detailing the Distribution Cable Terminal Block.