CMVD4-U200N - voltage monitoring relay with 4 C/O contacts

Description

Plug-in electronic customizable voltage monitoring relay with optional delay-on and delay-off timer function and four change-over contacts. Fully customizable according to customer’s requirements concerning voltage monitoring type and timing diagram. 

CMVD4 can provide multiple voltage thresholds (adjustable) for both pull-in and drop-out voltages with different timing delays. The relay can also be supplied with a fixed pull-in and drop-out voltage. 

The delay times are also adjustable (either delay-on or delay-off, the other delay is fixed). The relay can also be supplied with symmetrical or asymmetrical flashing, 1-shot, 2-shot, 3-shot etc. or with fixed time delays. A maximum of 3 parameters can be adjusted by means of 2 screws and 1 knob. 

Suitable for monitoring DC voltages. 

The CMVD4-U200N offers a very small hysteresis (difference between pull-in and drop-out voltage). The relay is equipped with one LED which indicates activation of the time delay (blinking light) and the status of the relay contacts (continuously ON or OFF). Delay-off function for voltage drop down to 50 % of minimum pull-in voltage, no auxiliary supply necessary.

Standard equipped with magnetic arc blow-out for high breaking capacity and long contact life.

The construction of the relay and choice of materials makes the CMVD4-U200N relay suitable to withstand low and high temperatures, shock and vibrating and dry to humid environments. No external retaining clip needed as integrated ‘snap-lock’ will hold relay into socket under all circumstances and mounting directions.

Application

These relays are designed for demanding rolling stock applications. The CMVD4 relay can be used in all railway applications where non-standard voltage monitoring and timer functions are necessary.

Features

• Customizable DC voltage monitoring relay with timer function
• Compact plug-in design
• 4 C/O contacts
• Multiple voltage thresholds for both pull-in and drop-out voltages, adjustable
• Available with fixed voltages
• Very small hysteresis possible
• Time delay on any voltage thresholds
• Different customizable timing possible
• No auxiliary power supply necessary
• Available with fixed time delays
• Time/pulse delay range: 0...60 s
• 1 LED for status indication, red or green
• Integrated back EMF suppression diode
• Data matrix code with serial number for traceability
• Integrated snap-lock, no external retaining clip needed
• Many options and sockets available

Railway compliance

• EN 50155
• IEC 60947
• EN 45545-2
• IEC 60571
• IEC 61373
• NF F16-101/102
• IEC 60077
• EN 50121
• NF F 62.002

Certifications

Available versions