NK TECHNOLOGIES AG3 Series Instructions

Specifi cations
Setpoint Range AG1 Series: 5-100mA Field Adjustable
AG2 Series: 80-950mA Field Adjustable
AG3 Series:
Tri-Set, 5, 10 & 30 mA, Jumper
Select
Voltage Range Up to 1,500 VAC (Monitored Circuit)
Frequency Range 50-400Hz (Monitored Circuit)
Output Options (See Product Label)
Relay Output
1.0A @ 120 VAC, 2A @ 30 VDC
Solid State AC Switch NOT COVERED
Solid State DC Switch NOT COVERED
Response Time 150 mS @ 5% above setpoint.
100 mS @ 50% above setpoint.
Power Supply Operates from 55-110% of nominal
voltage
Nominal Voltages 120, 200, 208, 240 VAC (50-400 Hz)
Green LED=Power
Optional Power 24VAC or 24 VDC Operates +/- 20%
Power Consumption 2.5 Watts
Dimensions 2.5"H x 2.8"W x 1.5"D, (64x71x38mm),
aperture 0.75" (19mm) dia.
Case UL 94V-O Flammability Rated
Environmental 5 to158 DegF (-15 to 70 DegC), 0-95% RH,
Non Condensing
Listings UL 1053, Class 1 Recognized, UR-C, CE
Certifi ed, RoHS Compliant

Power Supply Notes

All low-current Ground-Fault Detectors are sensitive devices
that require reasonable care in system design to avoid false
trips caused by high electrical noise levels. Keep in mind
that the best way to reduce noise in a system is to suppress
it at its source.
1. Keep the detector power isolated from noisy circuits.
2. Do not power the detector with the same circuit that
switches contactors or other high current, inductive

System Grounding

Good design practice and code require that all AC power
systems be grounded. AG Series detectors are designed to
work on grounded AC power systems. They may not operate
properly on ungrounded systems.
Model Number Key
AG 1-SDT1 -120-ENE -005
Setpoint
005 to 950
TR3
Options
ENE Normally Energized
DEN Normally De-energized
Power Supply
24U 24 VAC/DC
120 120 VAC
200 200 VAC
208 208 VAC
240 240 VAC
Output Type
SDT1 SPDT Relay (Form C)
1A @ 120 VAC, 2A @ 30 VDC
Setpoint Range
1 5-100mA, Adjustable
2 80-950mA, Adjustable
3 Tri-Set, 5, 10 & 30 mA, Jumper Select
AG Series Ground Fault Detector
Know Your Power Know Your Power
Other NK Technologies Products Include:
AC & DC Current Transducers
AC & DC Current Operated Switches
1φ & 3φ Power Transducers
Current & Potential Transformers (CTs&PTs)
3511 Charter Park Drive, San Jose, CA 95136
800-959-4014 or +1-408-871-7510 Phone
+1-408-871-7515 FAX
sales@nktechnologies.com, www.nktechnologies.com
INSTRUCTIONS
Factory Adjusted
Setpoint in mA (specify
when ordering)
Tri-Set, 5, 10 & 30 mA,
Jumper Select
AG1 2 & 3 AG1, 2 & 3 SERIES
with Relay Outputs, Auto-Reset
Quick "How To" Guide
1. Run all current carrying conductors through
detector window
A. Use an auxiliary CT if conductors do not fi t. Consult
Factory for CT selection.
2. Mount the detector to a surface if needed.
3. Connect output & power wiring.
A. Use up to 14 AWG copper wires.
B. Make sure power and load matches those shown on
the senors' label.
4. Test
A. Pressing the "TEST" button tests the detectors
internal circuits. CAUTION: The output and any
connected loads will switch!
3 3 3 3 3 3 S S S S S S ERIES
Ground Fault Detectors
AG-Relay Inst. Rev 5- 6/13, P/N 49-010-0001