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DG Series DC Ground Fault Relays


DG relays detect 5–40 mA of DC ground-fault current in earth-grounded systems. The solid-core sensor accommodates a 0.75 in (19.1 mm) wire bundle and offers SPDT auto-reset or N.O./N.C. SPST latching outputs from a 24 V DC supply.


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Base Model #Case StyleSetpoint RangeSensing Aperature SizeResponse TimeOutput Types / RatingsNormally
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DG1Solid Core5–40 mA DC, factory set0.75 in (19.1 mm)55 ms maximumSPDT auto-reset or SPST latching relayInquireConfigurator
Power Supply:

24 V DC (20–26 V)

Setpoint range:

5–40 mA DC, factory set

Output Ratings:

1 A at 120 V AC; 2 A at 30 V DC maximum

Time Delay:

None specified

Frequency Range:

DC

Environmental:

−20 to 50°C; 0–95% RH, non-condensing

Maximum Wire Bundle Diameter:

0.75 in (19.1 mm)

Power Consumption:

<4 VA

Output(s):

SPDT auto-reset relay or N.O./N.C. SPST latching relay

Response Time:

55 ms maximum

Isolation Voltage:

Tested to 3 kV

Case:

Solid-core; UL94 V-0 flammability-rated housing

Approvals:

No agency listing specified in current catalogue


Select a factory trip point from 005 to 040 mA. SDT is auto-reset and uses DEN or ENE; NOR/NCR are latching and require LA. Example: DG1-SDT-24D-ENE-010. Intended for use on earth-grounded systems only. The current catalogue does not specify an agency listing.

Pass all current-carrying conductors of the monitored circuit through the sensing window. Follow the installation sheet for conductor arrangement, grounding and external trip-device wiring. The sensor provides a detection/contact signal; use it as part of a suitable protection system.


Mod Tronic Instruments Limited
1 Delta Park Blvd #12
Brampton, ON L6T 5G1
Phone: 905-457-6322 or 1-800-794-5883
Fax: 905-457-4716 or 1-800-830-7122
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