Time Mark Corporation Datasheets for Current Sensors

Current sensors measure AC and/or DC current levels. They receive current inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals.
Current Sensors: Learn more

Product Name Notes
True RMS Current Monitor -- Model 27 Model 27 True RMS Current Monitor has a display that shows the current with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds.
Automatic Reverse Controller -- Model 412 The 412 Automatic Reverse Controller is a current sensor designed to detect jamming of sewage grinders and to initiate the reversing of the grinder. The controller allows the selection of...
AC Current Monitor -- Model 173-25
AC Current Monitor -- Model 173-5
The Model 173 AC Current Monitor is a single set-point AC current monitor. It can be used to detect either over current or under current, depending on whether the set-point...
AC Current Monitor -- Model 1732 The Model 1732 AC Current Monitor is a single set-point current monitor. It can be used to detect either over current or under current, depending on whether the trip point...
3-Phase Current Unbalance Detector -- Model 272-120
3-Phase Current Unbalance Detector -- Model 272-24
The Model 272 3-Phase Current Unbalance Detector monitors 3-phase lines to detect an unbalanced current. It can also monitor three separate single phase lines for equal current levels. The percentage...
Current Unbalance Detector -- Model A2722
Current Unbalance Detector -- Model B2722
Current Unbalance Detector -- Model C2722
The Model 2722 Current Unbalance Detector is designed to monitor 3-phase AC current (or compare three single-phase AC currents). A solid-state electronic sensing circuit drives an internal DPDT relay which...
Single Phase Current Monitor -- Model 273-10-120
Single Phase Current Monitor -- Model 273-10-24
Single Phase Current Monitor -- Model 273-5-120
Single Phase Current Monitor -- Model 273-5-24
The Model 273 Single Phase Current Monitor is a single set-point sensor. It can be used as either an over current or under current sensor, depending on the contacts used.
Single Phase Current Monitor -- Model A2732
Single Phase Current Monitor -- Model B2732
Single Phase Current Monitor -- Model C2732
The Model 2732 Single Phase Current Monitor is designed to continuously monitor single-phase AC current. It consists of a solid-state sensing circuit driving an internal electromechanical relay. The Model 2732...
3-Phase Over Current Monitor -- Model 274-5-120-A
3-Phase Over Current Monitor -- Model 274-5-120-M
3-Phase Over Current Monitor -- Model 274-5-24-A
3-Phase Over Current Monitor -- Model 274-5-24-M
3-Phase Over Current Monitor -- Model 274-5-240-A
3-Phase Over Current Monitor -- Model 274-5-240-M
The Model 274 3-Phase Current Monitor is designed to monitor all legs of a 3-phase line, and can also be used to monitor three individual single-phase lines. The output relay...
3-Phase Over/Under Current Monitor -- Model 2742-115
3-Phase Over/Under Current Monitor -- Model 2742-220
3-Phase Over/Under Current Monitor -- Model 2742-24
The Model 2742 3-Phase Over/Under Current Monitor is designed to monitor the current level of a 3-phase line or to compare the currents of three single-phase lines. The Model 2742...
3-Phase Over Current Monitor -- Model 2744-120
3-Phase Over Current Monitor -- Model 2744-220
3-Phase Over Current Monitor -- Model 2744-24
The Model 2744 3-Phase Over Current Monitor is designed to monitor the current level of a three-phase line or to compare the currents of three single-phase lines. If one or...
Single Phase Current Monitor -- Model 275 The Model 275 Single Phase Current Monitor is designed for monitoring alternating current in the range of 1-5 amps, at 50 to 400 Hz. The Model 275 provides a contact...
AC Current Transducer -- Model C278
AC Current Transducer -- Model C278-230
The Model 278 AC Current Transducer is designed to accept an AC current input, and provide a proportional DC output. A linear transformer input is coupled to a solid-state output...
AC Current Transducer -- Model 2780-115
AC Current Transducer -- Model 2780-230
The Model 2780 AC Current Transducer is designed to accept an AC current input, and provide a proportional DC voltage output. A linear transformer input is coupled to a solid-state...
DC Current Monitor -- Model 279B-120
DC Current Monitor -- Model 279B-24
DC Current Monitor -- Model 279C-120
DC Current Monitor -- Model 279C-24
The Model 279 DC Current Monitor is a single set-point DC current monitor. It can sense either 1-10 Amps DC (24VAC or 120VAC) or 0.1-1 Amps DC (120VAC). The units...
Motor Load Monitor -- Model 421 The Model 421 detects an overload or under-load condition on all types of running motors; conveyor motors, elevator motors, mixer motors, submersible pumps, suction pumps, etc. The monitor detects the...