NSR relay - Over- and undervoltage monitoring, 3-phase

Name: NSR relay - Over- and undervoltage monitoring, 3-phase
Brand: Eigen merk
Availability: InStock

Obsolete

Informatie

This product is no longer available.

Description

Overvoltage and undervoltage monitoring railway relay with two changeover contacts. Suitable for 3-phase 400 VAC 50 Hz. Auxiliary power supply necessary, either DC or AC (0-60 Hz). When the relay is activated there is a delay on pull-in.

The delay time is adjustable with a lockable knob. The detection for overvoltage and undervoltage is also adjustable with a lockable knob.

The NSR-relay has a fail-safe circuit: an auxiliary supply failure is detected. A phase rotation error is detected as well.

The construction of the relay and choice of materials makes the NSR-relay suitable to withstand corrosive atmospheres, low and high temperatures, shock & vibrating and dry to very humid environments. No external socket necessary, the relay can be mounted directly on a 35 mm rail without extra fasteners, or on any surface via 2 screws.

Application

These relay series are designed for rolling stock applications. The NSR-relay is used in applications for overvoltage and undervoltage monitoring in a 3-phase network.

Features

Overvoltage and undervoltage monitoring relay with delay on pull-in
3-phase 400 VAC input (50 Hz)
2 C/O contacts
Overvoltage and undervoltage adjustable via lockable knobs
Overvoltage adjustment: 100 - 130%
Undervoltage adjustment: 70 - 100%
Delay time adjustable via lockable knob
Time delay range: 0.5 - 10 s
Auxiliary power supply necessary
Phase rotation error and auxiliary power
supply failure also detected
Screw terminals
Mounting on 35 mm rail
Mounting on any surface via 2 screws

Benefits

Proven reliable
Long term availability
Easy to maintain
Low life cycle cost
No maintenance

Railway compliancy

EN 50155 - Electronic equipment used on rolling stock for railway applications
IEC 60571 - Electronic equipment used on railway vehicles
IEC 60077 - Electrical equipment for rolling stock in railway applications
IEC 60947 - Low voltage switch gear and control gear
IEC 61373 - Rolling stock equipment - Shock and vibration test
IEC 60947-5-4 - Electromechanical components for control applications
EN 50121 - Electromagnetic compatibility for railway applications

Niet meer leverbare spoorwegrelais