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| Back to NK
Technologies Main Selection Page |
| AC and DC Current Switches |
| AS1 Series, Single-Range AC Current Switch |
| AS1 DODC
Series, Current Switch with Dual Output |
| AS3 Series, Multi-Range AC Current Operated Switches |
| ASM Series,
Self-Calibrating AC Current Switches |
| ASX Series, AC Current Switches with Time Delay |
| ASXP Series,
Powered AC Current Switches with Time Delay |
| AS0 Series, Low Range AC Current Operated Switches |
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DS3 Series, DC
Current Operated Switches |
| AC and DC Current
Transducers |
| AT Series, AC Current Transducers, Average Responding |
| ATR Series, AC
Current Transducers, True RMS |
| AT/ATR 3 & 4 Series, High Current AC Transducers |
| ATP Series, Powered
AC Current Transducers |
| ATP/ATPR 3 & 4 Series, Powered AC Current Transducers, True
RMS |
| DT Series, DC Current
Transducers |
| Ground Fault / Earth Leakage
Sensors |
| AG Series, Ground Fault/Earth Leakage Sensors - Solid-State
Relay Output |
| AG Series, Ground
Fault/Earth Leakage Sensors - Mechanical Relay Output |
| AGL Series, Large Aperture Ground Fault
Sensors |
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| NK Technologies - AS3 Series, Multi-Range AC Current Operated Switches |
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| AS3 Series Current Operated Switches provide the same dependable indication of status offered by the AS1, but with the added benefit of increased setpoint accuracy. A choice of three, jumper-selectable input ranges allows the AS3 to be tailored to an application, providing more precise control through improved setpoint resolution. Self-powering, isolated solid-state outputs, 1–6A, 6–40A and 40–200A input ranges, and a choice of split- or solid-core enclosures are standard. |
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Download Complete Specifications in .pdf Format |
Electronic Proof of Flow
- No need for pipe or duct penetrations.
- More reliable than electro-mechanical
pressure or flow switches.
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Conveyors
- Detects jams and overloads.
- Interlocks multiple conveyor sections.
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Lighting Circuits
Easier to install and more accurate than photocells. |
Electrical Heaters
Faster response than temperature sensors. |
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- Choice of N.O. or N.C. Solid State Ouputs
- 1A @ 240VAC, 0.15A @ 30VDC.
- 15A @ 120VAC (-15 model).
- 3A @ 120VAC output optional, consult
factory.
- Self-powered - Cuts installation and operating costs
- Easily Adjustable Setpoint - Speeds startup.
- Solid or Split-core Case - Choose the appropriate version for each installation.
- LED Indicaton - Provides quick visual indiction of contact status.
- Built-in Mounting Feet ....Provides the secure installation inspectors require.
- UL, CUL and CE Approval - Accepted worldwide.
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| Power Supply |
None — Self-powered |
| Output |
Isolated Solid-state Switch; Shared Common (CCDC) |
| Output Rating Max. |
- 1.0A @ 240VAC (Standard AC Units)
- 0.15A @ 30VDC (Standard DC & Multi-pole
Units)
- 15A @ 120VAC, 10A @ 240VAC (-15 Option)
....3.0A @ 120VAC* (-FT only)
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| Off State Leakage |
- NOAC: <10µA
- NCAC: 2.5mA
- AADC: <10µA
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- NODC: <10µA
- ..NCDC: 1.4mA
- ..CCDC: 0.3mA (NC Terminal)
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| Response Time |
40–120ms |
| Setpoint Range |
- Solid-core: 1–6, 60–40 &
40–175A
- Split-core: 1.75–6, 60–40 &
40–200A
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| Hysteresis |
Low: 0.15A, Mid: 0.3A, High: 0.9A |
| Overload |
| RANGE |
6 Sec |
1 Sec |
| 1–6A |
400A |
600A |
| 6-40A |
500A |
800A |
| 40-175A |
800A |
1200A |
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| Isolation Voltage |
UL Listed to 1,270VAC, tested to 5,000VAC |
| Frequency Range |
6–100Hz |
| Sensing Aperture |
- -FF Case: 0.55” (14mm) dia.
- -FT Case: 0.74” (19mm) dia.
- -SP Case: 0.85” (21.6mm) sq.
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| Case |
UL 94V-O Flammability Rated |
| Environmental |
-58 to 122°F (-50 to 50°C) 0–95% RH, non-condensing |
| Listings |
UL 508 Industrial Control Equipment (USA & Canada), CE |
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| *N.O/N.C. 3A @ 120VAC output please consult factory. |
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| Ordering Information |
Download Complete Specifications in .pdf Format |
| Solid-Core Models : |
| Model |
Description |
Output |
 AS3-NCAC-FF |
Adj. Setpoint, 1–175A, Front Term., SmartLED |
N.C., 1.0A@240VAC |
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AS3-NCAC-FF-NL |
Adj. Setpoint, 1–175A, Front Term., No LED |
N.C., 1.0A@240VAC |
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AS3-NOAC-FF |
Adj. Setpoint, 1–175A, Front Term., LED |
N.O., 1.0A@240VAC |
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AS3-NOAC-FF-NL |
Adj. Setpoint, 1–175A, Front Term., No LED |
N.O., 1.0A@240VAC |
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AS3-NCAC-FT |
Adj.Setpoint, 1–175A, Top Term., SmartLED |
N.C., 1.0A@120VAC |
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AS3-NOAC-FT |
Adj. Setpoint, 1–175A, Top Term., LED |
N.O., 1.0A@120VAC |
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AS3-NCAC-FF-15 |
Adj. Setpoint, 1–175A, Front Term., LED |
N.C., 15A@120VAC |
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AS3-NOAC-FF-15 |
Adj. Setpoint, 1–175A, Front Term., LED |
N.O., 15A@120VAC |
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AS3-NCDC-FF |
Adj. Setpoint, 1–175A, Front Term., SmartLED |
N.C., 0.15A@30VDC |
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AS3-NODC-FF |
Adj. Setpoint, 1–175A, Front Terms, SmartLED |
N.O., 0.15A@30VDC |
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AS3-NODC-FF-NL |
Adj. Setpoint, 1–175A, Front Term., No LED |
N.O., 0.15A@30VDC |
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AS3-AADC-FF |
Adj. Setpoint (2 Form A), Front Term. No LED |
2 N.O., 0.15A@30VDC |
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AS3-CCDC-FF |
SPDT Form C, Front Term. No LED |
N.O./N.C., 0.15A@30VDC |
| Split-Core Models: |
| Model |
Description |
Output |
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AS3-NCAC-SP |
Adj. Setpoint, 1.5–200A, Split Core, SmartLED |
N.C., 1.0A@240VAC |
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AS3-NOAC-SP |
Adj. Setpoint, 1.5–200A, Split Core, SmartLED |
N.O., 1.0A@240VAC |
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AS3-NCDC-SP |
Adj. Setpoint, 1.5–200A, Split Core, SmartLED |
N.C., 0.15A@30VDC |
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AS3-NODC-SP |
Adj. Setpoint, 1.5–200A, Split Core, SmartLED |
N.O., 0.15A@30VDC |
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