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Low Voltage Power & Insulated Case Circuit Breakers Section 8

EntelliGuard ™ G Low Voltage Power Circuit Breakers EntelliGuard ™ G Accessories

Time Delay Module (TDM) for UVR (Externally Mounted) The de-energized operation of the Undervoltage release can be delayed. This optional, externally mounted module has an adjustable time delay of 0 seconds to 3 seconds. The device can be implemented to prevent undesired breaker tripping due to momentary voltage interruptions and is connected in series with the Undervoltage release. The time delay is in addition to the time delay from the breaker mounted UVR accessory. The time delay module starts counting at 50% of rated voltage.

Nominal Control Voltage Product Number 48Vdc GTDM048D 48Vac GTDM048A 60Vdc GTDM060D 125Vdc GTDM120D 120Vac GTDM120A 208Vac GTDM208A 240Vdc GTDM240D 240Vac GTDM240A 250Vdc GTDM250D 277Vac GTDM277A

Time Delay Module

Ready To Close Contact These contacts indicate that the following conditions are met and the circuit breaker can be closed: —The circuit breaker is open. —The closing springs are charged. —The circuit breaker is not locked/interlocked in open position.

Ready To Close Contact

—There is no standing closing signal. —There is no standing opening signal.

1 NO

Voltage Amps Description Product Number

AC 120Vac 6 High fidelity/secondary disconnect GRTC2R 250Vac 6 – DC 125Vdc 0.5 Power rated/secondary disconnect GRTC1R 250Vdc 0.25 High fidelity/trip unit GRTC3R

Auxiliary Switches Auxiliary switches indicate breaker main contact position. They change their state in the same time sequence as the breaker main contacts.

Contact Power Product Configuration Rated Hi-Fi Number Power rated (3NO, 3NC) A14 - A25 N/A GAUX3R Power rated (3NO, 3NC); low signal (Hi-Fi), (2NO, 2NC) A14 - A25 B10 - B13, B23 - B26 GAUX5R Power rated (8NO, 8NC) A14 - A25, B4 - B13, B17 - B26 N/A GAUX6R Power rated (4NO, 4NC); low signal (Hi-Fi), (4NO, 4NC) A14 - A25, B12 - B13, B25 - B26 B4 - B11, B17 - B24 GAUX8R

Rev. 1/19 Data subject to change without notice

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