LOAD MONITORING
NWCT - TRUE RMS CURRENT TRANSFORMER TO 100A
The NWCT is a current transformer/transducer that provides a 0-10V or 4-20mA output proportional to the current on the conductor passed through the onboard sense transformer. The NWCT can accurately sense nonlinear and distorted sinusoidal signals such as phase controlled loads and provide a True RMS conversion of the signal.
NWCC - TRUE RMS CURRENT CONTROLLER TO 100A
The NWCC is a closed loop current controller that provides PID control of a phase angle driven load circuit. The True RMS current is sensed by an on board isolated current transducer. The current setpoint is set by an external command signal or the on board potentiometer. The current command input accepts 0-5V, 0-10V, 4-20mA, Potentiometer, etc. The NWCC is designed to regulate or limit the current output of any phase angle controller.
CR8450 CURRENT TRANSFORMER TO 100A
The CR8450-100 wire lead transformers provides a high quality solution, at low cost for AC current sensing. It is used in conjuction with any of our phase angle controllers that have current feedback. They are epoxy encapsulated to provide protection from the environment. Electrical insulation is rated at 100M ohm @ 500 Vdc. Detailed information is available for operation in 50 to 400 Hz systems. The CR8450 current transformer is constructed using core material of a high grade laminated nickel alloy or silicon steel material. The styles have window opening sizes of .232" to .610" diameter with .709", to 1.181" O.D.
SSRMON2 - SSR MONITOR & HEATER BREAK ALARM

The SSRMON2 Mounts on any standard SSR and monitors the condition of the SSR (solid state relay) and its load circuit. The SSRMON2 monitors the drive and output to detect open heater /load, loss of line and DC power, shorted SSR, etc. The SSRMON2 provides a bright green normally illuminated LED as well as a versatile normally closed relay output which can be easily integrated into your control system or connecting to your PLC. The SSRMON2 can operate from 12 to 24 VDC power and can be used for detection in 100 to 600VAC applications.
POWER CONTROL
SOLID STATE RELAY CONTROL MODULES | Download Brochure | ![]() |
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SSRMAN-1P - PHASE ANGLE CONTROL MODULE
The SSRMAN-1P phase angle control module is designed for use in a broad range of power control applications using a solid state relay. The SSRMAN-1P mounts directly on the input terminals of an SSR and converts it into a low cost phase angle controller by providing true linear power control of the load via the SSR's logic input. Using the SSRMAN-1P with the appropriate SSR for your load will provide a modular feature packed high isolation SCR power control at a very low price.
SSRMAN-1P-CL - PHASE ANGLE CONTROLLER MODULE WITH CURRENT LIMIT
The SSRMAN-1P-CL mounts directly on the input terminals of an SSR and provides true linear power phase angle control of the load. The output power is based on the command input and the current feedback from the current transformer. The command can be dip switch selected from over seven different industry standard inputs. Using the SSRMAN-1P-CL with the appropriate SSR for your load will provide a modular feature packed high isolation phase anngle controller at a very low price.
SSRMAN-1B - TIME PROPORTIONING MODULE
The SSRMAN-1B's output power is proportional to the command input which can be selected from eight different industry standard inputs. User configurable features such as Power Limit make the SSRMAN-1B a perfect fit for any time proportioning control application. Power Limit is set via a potentiometer and will limit the voltage on your load by limiting the duty cycle allowed on the output. The SSRMAN-1B can be used with random fire or zero cross fired solid state relays.
SSRMAN-1LP - 4-20 MA SOLID STATE RELAY PULSE CONVERTER
The SSRMAN-1LP 4-20mA pulse converter module is deigned for use in a broad range of power control applications where an external power supply is not available. The SSRMAN-1LP mounts directly on the input connections of an SSR and provides precise 0-100% pulse drive based on the input signal. The SSRMAN-1LP converts a 4 to 20mA output signal from a process or temperature controller or computer to a pulse drive to an SSR thereby controlling the average power to your load (typically electric heaters).
SSRMAN-1BFS - SYNCHRONOUS BURST FIRING MODULE
The SSRMAN-1BFS is a zero cross synchronous burst firing module designed for use with standard footprint random fire SSRs (Solid State Relays). The module mounts directly on the SSR's input screws and provides 0-100% fast synchronous zero cross burst firing based on the input signal. The module operates by varying duty cycle of SSR's control input synchronous to the AC line. The power delivered to the load is proportional to the command input signal. The SSRMAN-1BFS can be dipswitch configured for up to six different industry command signals and four different cycle times.
SSRTC - SSR TEMPERATURE CONTROLLER
The microprocessor based SSRTC mounts directly on the input terminals of a SSR and provides a low cost temperature control solution. The input accepts J or K type thermocouples and can be ordered for heat or cool processes with on/off or proportional control.
NWUPCM-1P - SCR DRIVER BOARD - PHASE ANGLE
The NWUPCM-1P is a phase angle control SCR driver boars for use with Solid State Relays or high power back to back SCR modules. The power delivered to the load is proportional to the command input signal.
NWIPCM-1P - SCR DRIVER BOARD FOR LARGE SCRS / INDUCTIVE LOADS
The NWIPCM-1P provides true linear phase angle of SCRs for resistive and inductive loads. The output power is proportional to the command input which can be dip switch selected from six different industry standard inputs. The high current gate drive is suitable for large SCRs.
NWUPCM-1B - SCR / SSR DRIVER BOARD - TIME PROPORTIONING
The NWUPCM-1B is a burst fire control module designed for use with Solid State Relays or high power back to back SCR modules. The power delivered to the load is proportional to the command input signal.
NWZC - SCR DRIVER BOARD - ZERO CROSS
The NWZC-SCR is suitable for driving back to back SCRs in single or polyphase resistive load applications. The NWZC-SCR in combination with back to back SCRs produces and economical high current solid state relay.
1P-N - SCR POWER CONTROL - PHASE ANGLE TO 80A
The 1P-N SCR Power Controller is a compact panel mount package that provides linear phase angle control of loads to 80AMPS. The output power is proportional to the command input which can be dip switch selected from seven different industry standard inputs. Specially designed external snubber networks allow reliable control of inductive loads.
1P-CL-N SCR POWER CONTROL PHASE ANGLE CURRENT LIMIT TO 80A
The 1P-CL SCR Power Controller is a compact panel mount package that provides linear phase angle control loads to 80Amps with current feedback. The output power is based on the command input and the current transformer feeback. The input can be dip switch selected from seven different industry standard inputs. Specially designed external snubber networks allow reliable control of inductive loads such as transformer primaries.
1P-HC - SCR POWER CONTROL PHASE ANGLE HIGH CURRENT
The microprocessor based 1P-HC SCR Power Controller is a compact panel mount package that provides linear phase angle control of the load. The output power is based on the command input and the current transformer feeback. The input can be dip switch selected from seven different industry standard inputs. Specially designed driver circuitry and snubber networks allow reliable control of inductive loads.
1B-N - SCR POWER CONTROLLER - BURST FIRING TO 80A
The 1B-N SCR Power Controller is a compact panel mount package that provides 0-100% burst firing zero cross control of loads to 80AMPS. The output power is proportional to the command input which can be dip switch selected from seven different industry standard inputs with four different cycle time settings. Specially designed external snubber networks are available for noisy load conditions.
1LP-N - 4-20 MA TIME PROPORTIONING SCR POWER CONTROL TO 80A
Time Proportioned SCR Power Control to 80A @ 40C
The 1LP-N SCR Power Controller is a compact panel mount package that provides 0-100% time proportioning control of the load. The output power is proportional to the 4-20mA control input.
1B-TC INTEGRATED TEMPERATURE & SCR POWER CONTROL
1B-TC TEMPERATURE CONTROLLER + SCR OUTPUT
Integrated Temperature and SCR Power Controller, J/K Thermocouple, Burst Firing (Time Proportioning), Panel Mount, 0-5V, 0-10V, 4-20mA, Pot Commands, Includes MOV Protection, requires 10-28VDC power.
H-BRIDGE CONTROLLERS
THERMOELECTRIC (TEC) H-BRIDGE AMPLIFIER
The TCH1560 TEC Amplifier provides a cost effective solution for interfacing a standard heat/cool temperature controller to a Thermo Electric Module (peltier module). The heat and cool inputs are used to control the high current, wide voltage range H-bridge output.
STAGING CONTROL
NWVS - VERNEIR STEPPER CONTROL
The NWVS is a microcontroller-based step controller that provides precise modulation in multi-stage heater applications such as duct heaters. The built-in Vernier stage allows for smooth, precision control of the load without increasing switching wear in the system contactors.
TEMPERATURE AND PROCESS CONTROLLERS
MICRO TC - SMALL TEMPERATURE CONTROLLER
Single Zone Low Cost OEM Temperature Controller With Integral Sensor
The Micro TC is the smallest and lowest cost temperature controller in our catalog. The Micro TC is factory set for your setpoints and hysteresis but can be adjusted in the field using the 0-5V input or a potentiometer.
SSRTC - SSR TEMPERATURE CONTROLLER
The microprocessor based SSRTC mounts directly on the input terminals of a SSR and provides a low cost temperature control solution. The input accepts J or K type thermocouples and can be ordered for heat or cool processes with on/off or proportional control.
CAL 3200 1/32 Din Panel Mount Temperature Controller
The model 3200 was the worlds first 1/32nd DIN (24mm x 48mm) temperature controller launched in 1992. The model is still in full production today.
For the very latest 1/32nd DIN controller, go to the 3300 which uses the same program menus but has the benefit of communications and latest aesthetic designs.
CAL 3300, 9300 and 9400 Panel Mount Temperature Controllers
1/32nd and 1/16th Din, Heat/Cool, Digital Display Temperature Controllers with Serial Communications
TEMPERATURE SENSORS
Single Zone Low Cost OEM Temperature Controller With Integral Sensor
The Micro TC is the smallest and lowest cost temperature controller in our catalog. The Micro TC is factory set for your setpoints and hysteresis but can be adjusted in the field using the 0-5V input or a potentiometer.
SOLID STATE RELAYS
Please contact us for a quotation of your SSR and Heatsink requirents. | ![]() |
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ACCESSORIES
Snubber Board for Solid State Relays
The RCSB snubber is used to suppress dV/dt and provide reliable commutation of SSRs. This is especially important when controlling transformer coupled loads as improper commutation can result in large inrush currents and blown fuses. The RCSB snubber is also used on our SSR power control assemblies. The RCSB is available in 120, 240, 480 and 600VAC versions.
MANUAL POTENTIOMETER
CONTROL TRANSFORMERS
90-T40F3
![]() | 120/208/240 to 24 VAC control transformers for use with NWUPCM-1P/B, SSRMAN-1P/B/BFS, SSRMAN-1P-CL, NWCT, NWCC, NWTC-1. |
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480 to 24 VAC control transformers for use with NWUPCM-1P/B, SSRMAN-1P/B/BFS, SSRMAN-1P-CL, NWCT, NWCC, NWTC-1. | ![]() |
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Wire Lead Current Transformer P/N CR8450-1000
The new CR8400 wire lead transformers provides a high quality solution at low cost for current sensing. Major applications include ground fault relays, current measurements, power monitoring and over/under current sensing. This series of transformers provides the benefit of a high accuracy remote monitor for cost-sensitive projects. Epoxy encapsulated to provide protection from the environment. Electrical insulation is rated at 100M ohm @ 500 Vdc. Detailed information is available for operation in 50 to 400 Hz systems. The CR8400 current transformers are constructed using core material of a high grade laminated nickel alloy or silicon steel material. The styles have window opening sizes of .232" to .610" diameter with .709", to 1.181" O.D.
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For sales and distribution please call 866-379-3597 |
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