Find a wide selection of monitoring relays at RS Components.
ABB – has a range of products for monitoring all the parameters of power systems. Its liquid level monitoring relays are used for control and regulation of liquid levels and flow of ratio mixtures of fluids.
Bordersen – MX series monitoring relays are available for standard voltage, current, temperature and process signal monitoring like: MXV-10 Single phase voltage relay, MXL-10 Level relay, MXV-30 3-phases voltage relay, etc.
Siemens – has a range of monitoring relays for all parameters of an electrical system and its temperature monitoring relays, SIRIUS support HVAC systems, control cabinets, motors, etc. and detect sensor wire break or short-circuit.
Omron – offers measuring and monitoring relays, the K8AB series of relays with 8 innovative functions which are also compliant with international standards. These relays operate over a range of parameters while offering measuring and monitoring relay services for under-current, over-current, and other parameter monitoring and come with pre-alarm, indicator, etc.
Tele – this company has a series of relay models: GAMMA, ENYA, KAPPA, TREND and OCTO series that provide detailed status indication, ease of wiring, flexibility of pre-wiring, etc.
Phoenix Contact – offers current and voltage monitoring relays: Single-Phase Current Monitoring (EMD-SL-C-OC-10), Single-Phase Voltage Monitoring (EMD-SL-V-UV-300), Thermistor Monitoring (EMD-SL-PTC), etc.
Carlo Gavazzi – offer AC/DC single over-voltage (DUA01 and PUA01), AC over current, etc. and can monitor both single and three phase AC and DC currents up to 500 A, have a built-in latch function and a red LED for the alarm status indication.
Rhomberg Australia – has current, voltage, temperature, frequency, etc. monitor relays for monitoring of power supplies and are available in 11-pin plug-in or DIN rail format. SP430/SP431 is a 3 Phase Monitoring Relay- Phase Sequence, Failure, or Asymmetry Detection 1 C/O or 2 C/O, AP430/AP432 is a 3 Phase Monitoring Relay- Phase Sequence, Failure, or Asymmetry Detection 1 C/O or 2 C/O, etc. are available for protection of loads.
Thiim AS – has 3 wire: PAHA & PAHI and 4 wire: PAMA & PAMI sequence control and phase monitoring relays with a true time delay for three phase systems to control the system for unbalance phase, over- or under- current or voltage.
Multitek – current monitoring relays (M200 AC, etc.) provide current monitoring in both single and three phase systems. Other monitoring relays include: M200-V1U Single phase under voltage, M200-V1O Single phase over voltage, M200-V1C Single phase combined voltage, M200-V33U 3 phase 3 wire under voltage, M200-V33O 3 phase 3 wire over voltage, M200-V33C 3 phase 3 wire combined, M200-V34U 3 phase 4 wire under voltage, M200-V34O 3 phase 4 wire over voltage, M200-V34C 3 phase 4 wire combined voltage, etc.
L&T switchgear – has three models of power factor control monitoring systems: PFC- 8 & 14 that have DIP switches, LED indication for alarm code, etc.
Balser Electric, GE, HOYT Electrical Instrument, Merlin Gerin, RS, Schneider Electric, Telemecanique, Tempatron, Dold, Broyce Control, Crouzet, etc. are other monitoring and controlling relay vendors that offer a range of models for controlling power systems.
