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AG-LC Series Large-Core Ground Fault Relays


AG-LC relays monitor AC earth leakage through a 4.00 in (101.6 mm) maximum wire bundle. Choose one of four field-adjustable ranges from 30 mA to 5 A, or a factory-set 30–150 mA or 80–400 mA version, with SPDT relay output and adjustable trip delay.


Select & Configure Model
Base Model #Case StyleSetpoint RangeSensing Aperature SizeResponse TimeOutput Types / RatingsNormally
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AGSolid CoreField-adjustable: 30–150, 80–400, 300–1500 mA, 1–5 A4.00 in (101.6 mm)100 ms plus delaySPDT relay; adjustable rangeInquireConfigurator
AGC-SDTSolid Core30–150 mA factory set4.00 in (101.6 mm)100 ms plus delaySPDT relay; factory-set range CInquireConfigurator
AGD-SDTSolid Core80–400 mA factory set4.00 in (101.6 mm)100 ms plus delaySPDT relay; factory-set range DInquireConfigurator
Power Supply:

120 V AC (108–132 V) or 24 V AC/DC (22–28 V)

Setpoint range:

Adjustable: 30–150, 80–400, 300–1500 mA or 1–5 A; factory set: C 30–150 mA, D 80–400 mA

Output Ratings:

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

Time Delay:

0.1–8 seconds

Frequency Range:

40–60 Hz

Environmental:

−20 to 50°C; 0–95% RH, non-condensing

Maximum Wire Bundle Diameter:

4.00 in (101.6 mm)

Power Consumption:

<4 VA

Output(s):

Electromechanical SPDT relay

Response Time:

100 ms at 90% above setpoint

Isolation Voltage:

2200 V AC (catalogue rating)

Case:

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

Approvals:

UL/cUL


Field-adjustable models use codes 1, 2, 3 or 4 and do not include a numeric trip-point suffix. Factory-set AGC models use 030–150 mA and AGD models use 080–400 mA. DEN and ENE are auto-reset; LA and ELA are latching. Examples: AG3-SDT-24U-DEN-LC and AGC-SDT-24U-DEN-100-LC.

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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