Current Sensing Switches
Our Wide Range of AC or DC Current Sensing Switches Guarantees You’ll Find Exactly What You Need.
To assist in guiding you to the right series for your application please begin your selection here!
DC CURRENT SENSING SWITCH SELECTION
DC Loads, Go-No-Go
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| DS1 SERIES | Trips at 0.75, max. 1000 A for 5 secs. or 500 ADC Continuous | Solid-State Contact | 10–28 VDC | 0.55″ dia. |  |
AC & DC LOADS, ADJUSTABLE TRIP-POINT
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| DS3 SERIES | 2–20 A, 10–50 A and 20–100 A, Jumper Selectable | SPDT Relay or Solid-State Contact (depending on model) | 24 VAC/DC or 12 VAC/DC (depending on model) | 0.75″ dia. |  |
| DS1-FD SERIES | 20–400 ADC, 17–338 AAC | SPDT Relay, Auto-Reset or Latching | 24 VAC/DC | 1.31" dia. |  |
AC CURRENT SENSING SWITCH SELECTION
PLC or DCS Input
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| AS1 SERIES | 1–150 A Adjustable; 1.75–150 A Adjustable (depending on model) | Magnetically Isolated Solid-State Switch, 150 mA Max. AC/DC Load | Self Powered | 0.55″ dia., 0.74″ dia., 0.85″ sq. (depending on model) |  |
| AS1 COMPACT SERIES | 0.5 A Trip Point | Solid-State Contact, 150 mA Max. AC/DC Load | Self Powered | 0.31″ dia. |  |
| AS3 SERIES | 1–6 A, 6–40 A & 40–175 A or 1.75–6 A, 6–40 A & 40–200 A (depending on model) | Isolated Solid-State Relay, 150 mA Max. | Self Powered | 0.55″ dia., 0.74″ dia., 0.85″ sq. (depending on model) |  |
| ASC SERIES | 2–150 A, 3–150 A (factory set) | Magnetically Isolated Solid-State Switch | Self Powered | 0.74″ dia., 0.85″ sq. (depending on model) |  |
| ASL SERIES | 1–10 A, 2–20 A, 10–50 A, 20–50 A, 50–100 A, 100–150 A (depending on model) | Magnetically Isolated Solid-State Relay, 150 mA Max | Self Powered | 0.55″ dia., 0.85″ sq. (depending on model) |  |
| ASM SERIES | 1.5–150 A or 2.8–150 A (depending on model) | Magnetically Isolated Solid-State Relay, 150 mA Max | Self Powered | 0.74″ dia., 0.85″ sq. (depending on model) |  |
Relay or Contactor Control
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| AS1 NOR-FT-GO SERIES | Go/No-Go Fixed Trip Point | Electromechanical Relay, 5.0 A Max. | Self Powered | 0.74″ dia. |  |
| AS3 SERIES | 1–6 A, 6–40 A & 40–175 A or 1.75–6 A, 6–40 A & 40–200 A (depending on model) | Isolated Solid-State Relay, 1.0 A, 3.0 A or 15 A Max | Self Powered | 0.55″ dia., 0.74″ dia., 0.85″ sq. (depending on model) |  |
| ASD SERIES | 1–50 A or 4–200 A Switch Adjustment (depending on model) | Isolated Solid-State Relay, 1.0 A Max | 24 VDC or 24 VAC | 0.74″ dia. |  |
Very Low AC Current Detection
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| AS0 SERIES | 3–15 mA or 15–350 mA Field Adjustable | Isolated Solid-State Relay | 20% +/- of Nominal Voltage of 120 VAC or 24 VAC/DC | 0.75″ dia. |  |
Adjustable Delay on Current Rise
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| ASX SERIES | 1.5–12 A, 12–55 A, 50–200 A, Jumper Selectable | Isolated Solid-State Relay | Self Powered | 0.75″ dia., 0.85″ sq. (depending on model) |  |
Inrush Delay Plus Adjustable Delay on Current Rise
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| ASXP SERIES | 1–20 A, 20–50 A, 50–80 A (depending on model) | Electromechanical SPDT Relay | 24 VAC/DC or 120 VAC (depending on model) | 0.75″ dia. |  |
| ASXP-MS SERIES | 50–200 A, 100–400 A, 150–600 A, 200–800 A (depending on model) | Electromechanical SPDT Relay | 24 VAC/DC or 120 VAC (depending on model) | 1.19″ x 2.22″ |  |
| ASXP-LS SERIES | 200–800 A, 400–1000 A, 600–1200 A, 1000–1600 A (depending on model) | Electromechanical SPDT Relay | 24 VAC/DC or 120 VAC (depending on model) | 2.3″ x 3.42″ |  |
Analog Output Plus Limit Alarm Contact
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| ATS SERIES - DIGITAL SETPOINT | Switch Adjustment 1–50 A or 2–200 A (depending on model) | Isolated Solid-State Relay, 1.0 A Max Plus 4–20 mA, 0–5 VDC or 0–10 VDC | 18–30 VAC/DC | 0.74" dia. |  |
| ATS SERIES - SWITCH SETPOINT | Switch Selectable 10–1200 A | Electromechanical SPDT Relay, Plus 4-20 mA | 120 VAC or 24 VDC | 1.875" dia. |  |
Dual Setpoint, Dual SPDT Relay Outputs
| MORE INFO | SETPOINT RANGE | OUTPUT SIGNAL | POWER SUPPLY | SENSING APERTURE | |
|---|---|---|---|---|---|
| ASP-FD SERIES | 1-400 A, Six Ranges Available | 2-SPDT Relays | 24 VAC or DC <2 VA Consumption | 1.31" (33.3 mm) |  |
