Obsolete Railway Relays
ACD-U200 Battery voltage monitoring relay
Obsolete- Plug-in DC voltage monitoring relay
- Adjustable pull-in voltage and hysteresis (with a multi-turn potentiometer)
- 1 CO and 1 NO contact (weld no transfer)
- Compact plug-in design
- Flat, square silver plated relay pins for excellent socket connection
- Wide range sockets
- Integrated snap lock
- Transparent cover
- Flexibility by many options
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ACTD4-U200 relay - Voltage monitoring, timer, del…
- Voltage monitoring and time delay relay, delay on pull-in
- Compact plug-in design
- 4 C/O contacts
- Delay time adjustable with lockable knob, fixed time delay possible (no knob)
- Pull-in voltage adjustable with a lockable knob, fixed pull-in voltage possible (no knob)
- Fixed drop-out voltage
- No auxiliary supply necessary
- Flat, square and silver plated relay pins
- for excellent socket connection
- Integrated snap lock
- Optional positive mechanical keying relay to socket
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FDA-U200 relay - Flashing, 2 pole
Obsolete- Flashing relay (symmetrical)
- Duty cycle: 1/2
- Compact plug-in design
- 2 C/O contacts
- Pulse time adjustable with a lockable knob
- Pulse times between 0.5 s - 3 s
- Also available with fixed pulse time (no knob)
- Double zener diode coil protection
- Flat, square and silver plated relay for excellent socket connection
- Integrated snap lock
- Optional positive mechanical keying relay to socket
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FDA-U300 relay - Flashing, AC input, 2 pole
Obsolete- Flashing relay (symmetrical)
- Duty cycle: 1/2
- AC input
- Compact plug-in design
- 2 C/O contacts
- Pulse time adjustable with a lockable knob
- Pulse times between 0.5 s...3 s
- Also available with fixed pulse time
- Double zener diode coil protection
- Flat, square and silver plated relay pins for excellent socket connection
- Integrated snap lock
- Optional positive mechanical keying relay to socket
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KCS-U200 relay - Latching , 2 pole
This relay is obsolete from January 1, 2023- Latching (bistable) relay
- Compact design
- 2 C/O contacts
- 2 galvanic isolated coils
- Weld-no-transfer contacts
- Flash barrier
- 2.8 x 0.8 faston connections
- Transparent cover
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NSE relay - Over- and undervoltage monitoring
Obsolete- Overvoltage and undervoltage monitoring relay with delay on pull-in
- AC 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: 1...10 s
- Auxiliary power supply necessary
- Auxiliary power supply failure also detected
- Screw terminals IP 20
- Mounting on 35 mm rail
- Mounting on any surface via 2 screws
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NSR relay - Over- and undervoltage monitoring, 3-p…
Obsolete- 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
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PDF3-U200 relay - One-shot, 3 pole
Obsolete- Plug-in one-shot relay
- 3 C/O contacts
- Activated by negative going edge of DC voltage on input terminals (with auxiliary power supply)
- Fixed pulse time
- Standard pulse time 3 s, other pulse times on request
- Magnetic arc blow-out
- Two LEDs for status indication
- Flat, square and silver plated relay pins for excellent socket connection
- Integrated snap lock
- Optional positive mechanical keying relay to socket
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RC-19A relay - Current monitoring
This relay is obsolete from January 1, 2023- AC current monitoring relay
- Compact design
- 1 C/O contact
- Easy installation
- High continuous overcurrent possible
- Protection against short circuit and low impedance
- Also suitable for earth fault protection
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TDBE-U200 relay - Delay-on & delay-off, 2 pole
- Time delay relay with auxiliary supply
- Delay-on pull-in and on drop-out
- 2 C/O contacts
- Both delay times independently adjustable with 2 lockable knobs
- Also available with 1 or 2 fixed time delays (1 knob or none)
- Total time delay range: 0.1 s...60 min
- Weld-no-transfer contacts
- Two LEDs for status indication
- Flat, square and silver plated relay pins for excellent socket connection
- Integrated snap lock
- Optional positive mechanical keying relay to socket
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TDE-U200 relay - Timer, delay-off, 2 pole
Obsolete- Time delay relay
- Delay on drop-out (without auxiliary power supply)
- Compact plug-in design
- 1 C/O contact and 1 N/O contact
- Weld-no-transfer contacts
- Delay time adjustable with a lockable knob
- Also available with fixed time delay
- Total time delay range: 0.1 s up to 100 s
- One LED for voltage presence
- Flat, square and silver plated relay pins for excellent socket connection
- Wide range sockets
- Integrated snap lock
- Transparent cover
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TDE3-U200 relay - Timer, delay-off, 3 pole
- Time delay relay
- Delay-on drop-out (with auxiliary power supply)
- Compact plug-in design
- 3 C/O contacts
- Delay time adjustable with a lockable knob
- Also available with fixed time delay
- Total time delay range: 0.1 s...60 min
- Magnetic arc blow-out
- Two LEDs for status indication
- Flat, square and silver plated relay pins for excellent socket connection
- Wide range sockets
- Integrated snap lock
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TDE4-U200 relay - Timer, delay-off, 4 pole
Obsolete- Time delay relay
- Delay on drop-out (without auxiliary power supply)
- Compact plug-in design
- 4 C/O contacts
- Delay time adjustable with a lockable knob
- Also available with fixed time delay
- Total time delay range: 0.1 s...100 s
- Magnetic arc blow-out
- One LED for voltage presence
- Flat, square and silver plated relay pins for excellent socket connection
- Wide range sockets
- Integrated snap lock
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UMD-U200 relay - Voltage monitoring
Obsolete- Voltage monitoring relay
- Compact plug-in design
- 1 C/O contact and 1 N/O contact
- Pull-in voltage adjustable with a lockable knob
- Also available with fixed pull-in voltage (no knob)
- Very small hysteresis
- No auxiliary supply necessary
- Two LEDs for status indication
- Flat, square and silver plated relay pins for excellent socket connection
- Integrated snap lock
- Optional positive mechanical keying relay to socket
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