ABB Low Voltage
The three-phase monitoring relays CM-MPN.x2 monitor the phase parameters phase sequence, phase failure, over- and undervoltage as well as phase unbalance. All devices are available with two different terminal versions. You can choose between the proven screw connection technology (double-chamber cage connection terminals) and the completely tool-free Easy Connect Technology (push-in terminals).
The three-phase monitoring relays CM-MPN.x2 are designed for use in three-phase mains for monitoring the phase parameters phase sequence, phase failure, over- and undervoltage as well as phase unbalance. The CM-MPN.x2 provide an adjustable tripping delay and work according to the closed-circuit principle.
By means of three separate potentiometers with direct reading scales, the threshold values for over- and undervoltage as well as for phase unbalance can be adjusted within the measuring range.
The tripping delay Tv can be adjusted within a range of 0.1 to 30 s by means of a potentiometer with logarithmic scale. By turning to the left stop, the tripping delay can be switched off.
If you are looking for ABB CM-MPN 3-Phase Monitoring Relays, please call us on (844) 331-9372 or email us at firstname.lastname@example.org we will do our best to help you find the ABB measuring relays that you are looking for at competitive prices. If you are searching for ABB monitoring relay technical information (data-sheets) please use the datasheets or product selection guide page links.
- Monitoring of three-phase mains for phase sequence (can be switched off), phase failure, over- and undervoltage as well as phase unbalance
- TRMS measuring principle
- Automatic phase sequence correction configurable
- Threshold values for over- and undervoltage as well as phase unbalance are adjustable as absolute values
- Tripping delay Tv can be adjusted or switched off by means of a logarithmic scale (0 s; 0,1-30 s)
- ON-delayed or OFF-delayed tripping delay selectable
- Powered by the measuring circuit
- Precise adjustment by front-face operating controls
- Screw connection technology or Easy Connect Technology available
- Housing material for highest fire protection classification UL 94 V-0
- Tool-free mounting on DIN rail as well as demounting
- 1 x 2 or 2 x 1 c/o (SPDT) contacts configurable
- 45 mm (1.78 in) width
- 3 LEDs for the indication of operational states
Applying control supply voltage begins the fixed start-up delay Ts. When Ts is complete and all phases are present with correct voltage, the output relays energize and the yellow LED R/T is on.
If phase sequence monitoring is activated (DIP switch 2 = OFF), the output relays de-energize as soon as a phase sequence error occurs. The fault is displayed by alternated flashing of the LEDs F1 and F2. The output relays re-energize automatically as soon as the phase sequence is correct again.
If phase sequence monitoring is deactivated (DIP switch 2 = ON), a phase sequence error will not cause tripping of the relays. The output relays do not change state and the LEDs F1 and F2 don't flash.
The output relays de-energize instantaneously if a phase failure occurs. The fault is indicated by lightning of LED F1 and flashing of LED F2. The output relays re-energize automatically as soon as the voltage returns to the tolerance range.
Applying control supply voltage begins the fixed start-up delay Ts. When Ts is complete and all phases are present with correct voltage and with correct phase sequence, the output relays energize and the yellow LED R/T is on.
Our industrial factory automation supplies distributors warehouse in Boise, Idaho stocks some ABB Products enabling us to further assist you in finding the correct CM-MPN.52 relay for your application in the USA, Canada and Mexico. Whether we have CM-MPN.62 relay in stock in Boise, Idaho or need to get them from ABB; Clearwater Tech can get three-phase measuring relay to you fast and save money! It will be very helpful if you have the CM-MPS.21 relay part numbers ready, then our sales representatives can provide you with a pricing and availability quote for 3-phase relay that you are looking for in seconds. If you do not have the part numbers for ABB CM-MPN.72 monitoring relays, our application engineers will be able to help you figure out the part numbers and get the price quote to you as soon as possible.
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