Instantaneous relays
Instantaneous relays
An Instantaneous Relay is one in which there is no time delay provided intentionally. As the current coil is an inductor, there would be a certain delay to reach the current in the coil to its maximum value.
There is also some time required for mechanical movement of the armature in the relay. These time delays are inherent in the instantaneous relay but no other time delay is intentionally added. These relays can be operated in less than 0.1 sec.
Time Chart
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Contacts change instantaneously from non-working position to working position when its coil is energized; when the coil is de-energized the contacts are coming back instantaneously to the initial non-working position. |
D-U200N Plug-in railway relay with 4 C/O contacts
- Ultra compact, light weight
- 4 C/O contacts, self-cleaning
- Low power option available
- Integrated back EMF suppression diode
- Magnetic arc blow-out ensuring long contact life
- Minimum switching current 1 mA
- Maximum continuous current 10 A
- Wide temperature range -50 ⁰C...+85 ⁰C
- Mechanical life > 50 million operations
- Electrical life e.g. > 10 million operations at 0.5 A, 24 VDC
- Data matrix with serial number for traceability
- Integrated snap lock, no external retaining clip needed
- Transparent cover for visual inspection
- Many options and sockets available
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D-U200N-W Plug-in railway relay with 4 contacts
- Ultra compact safety critical relay
- 4 Weld-no-transfer contacts, self-cleaning
- Integrated back EMF suppression diode
- Magnetic arc blow-out ensuring long contact life
- Minimum switching current 1 mA
- Maximum continuous current 10 A
- Proven reliable
- Wide temperature range -50 ⁰C...+85 ⁰C
- Mechanical life > 50 million operations
- Electrical life e.g. > 10 million operations at 0.5 A, 24 VDC
- Data matrix with serial number for traceability
- Integrated snaplock, no external retaining clip needed
- Transparent cover for visual inspection
- Many options and sockets available
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DGG-U200N Plug-in railway relay with 2 C/O contact…
- Ultra compact, light weight
- 2 C/O contacts, self-cleaning
- Large voltage range 40%-125% Unom
- Integrated back EMF suppression diode
- Magnetic arc blow-out ensuring long contact life
- Minimum switching current 1 mA
- Maximum continuous current 10 A
- Proven reliable
- Wide temperature range -40 ⁰C...+85 ⁰C
- Mechanical life > 30 million operations
- Electrical life e.g. > 10 million operations at 0.5 A, 24 VDC
- Data matrix with serial number for traceability
- Integrated snaplock, no external retaining clip needed
- Transparent cover for visual inspection
- Many options and sockets available
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A 400 relay - 4 contacts
- Instantaneous relay
- Optional weld no transfer contacts for safety critical applications
- Plug-in design with secure locking feature for maximum ease of maintenance
- 4 double make / double break C/O contacts (form Z), 8 A
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
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AG 400 relay - Gold plated, 4 contacts
- Instantaneous relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 4 double make / double break C/O contacts (form Z), gold plated on silver
- Contact life (mechanical) of 100 million cycles
- 40 °C...+80 °C operating temperature
- Contacts cross pollution barrier
- Optional weld no transfer function
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AK 400 safety relay
- Instantaneous relay
- Optional Weld no tranfer contacts for safety critical applications
- Weld resistant
- 4 double make - double break C/O contacts (form Z), 8 A
- Plug-in design with secure locking feature for maximum ease of maintenance
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
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AM 400 relay - Mixed load, 4 contacts
- Instantaneous relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 3 double make / double break C/O silver contacts (form Z)
- 1 gold bifurcated C/O contact
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
- Contacts cross pollution barrier
- Optional weld no transfer function for silver contacts
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B 400 relay - Safety critical, 4 contacts
- Instantaneous & safety critical relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 4 double make / double break C/O contacts (form Z), 12 A
- Weld no transfer contacts standard
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
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BG 400 relay - 4 gold contacts
- Instantaneous relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 4 double make / double break C/O contacts (form Z), gold plated on silver
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
- Contacts cross pollution barrier
- Weld no transfer function
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BK 400 safety relay
- Instantaneous
- Safety critical
- Weld resistant
- Weld no transfer safety contacts standard
- Plug-in design with secure locking feature
- 4 double make / double break C/O contacts (form Z), 12 A
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature.
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BM 400 relay - Mixed load, 4 contacts
- Instantaneous relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 3 double make / double break C/O silver contacts (form Z)
- 1 gold bifurcated C/O contact
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
- Contacts cross pollution barrier
- Weld no transfer function for silver contacts
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C relay - Safety critical, 9 contacts
- Instantaneous relay
- Ultra compact package size
- Safety critical relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 9 double break contacts in all N/O and N/C combinations
- Weld no transfer safety contacts standard
- Contact life (mechanical) of 100 million cycles
- -40°C...+80°C operating temperature
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CG relay - Safety critical, 9 contacts, gold plate…
- Instantaneous relay
- Ultra compact package size
- Safety critical relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 9 double break contacts in all N/O and
- N/C combinations
- Weld no transfer safety contacts standard
- Contact life (mechanical) of 100 million cycles
- -40°C...+80°C operating temperature
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CK relay - safety critical, 9 contacts
- Instantaneous relay
- Safety critical relay
- Weld resistant
- Weld no transfer safety contacts standard
- Plug-in design with secure locking feature
- 9 double break contacts in all NO and NC combinations
- Contact life (mechanical) of 100 million cycles
- -40°C to +80°C operating temperature
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CM relay - 7 contacts and 2 gold contacts
- Instantaneous relay
- For combined power & dry circuit applications in diesel locomotives
- 4 N/C + 5 N/O double break contacts with 1 N/C & 1 N/O gold bifurcated contact and all other contact in silver
- Weld no transfer safety contacts standard on silver contacts
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
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CU-U200-G relay - Miniature, 2 pole
- Miniature plug-in / PCB relay
- Instantaneous 2 C/O contacts
- Weld-no-transfer contacts
- Flat, square and tin plated relay pins for excellent socket connection / PCB mounting pins
- Wide range sockets
- Transparent cover
- High insulation because of flash barrier
- Optional positive mechanical keying relay to socket
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CU-U200-B relay - High contact life
- Miniature plug-in / PCB relay
- Instantaneous 2 C/O contacts
- Weld-no-transfer contacts
- Magnetic arc blow-out
- Flat, square and tin plated relay pins for excellent socket connection / PCB mounting pins
- Wide range sockets
- Transparent cover
- Optional positive mechanical keying relay to socket
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CU-U200-D relay - Miniature, large pull-in voltage…
- Miniature plug-in / PCB relay
- Sensitive coil (40 % Unom)
- Instantaneous 1 C/O + 1 N/O contact
- Weld-no-transfer contacts
- Flat, square and tin plated relay pins for excellent socket connection /
- PCB mounting pins
- Wide range sockets
- Transparent cover
- High insulation because of flash barrier
- Optional positive mechanical keying relay to socket
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CU-U200-U relay - High contact life
- Miniature plug-in / PCB relay
- 1 double make/double break contact
- High maximum current
- Long electrical life
- Flat, square and tin plated relay pins for excellent socket connection /
- PCB mounting pins
- Wide range sockets
- Transparent cover
- Optional positive mechanical keying relay to socket
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CU-U300-G relay - Miniature, AC coil
- Miniature plug-in / PCB relay
- AC coil
- Instantaneous, 2 C/O contacts
- Weld-no-transfer contacts
- Flat, square and tin plated relay pins for excellent socket connection / PCB mounting pins
- Wide range sockets
- Transparent cover
- High insulation because of flash barrier
- Optional positive mechanical keying relay to socket
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CU-U300-U relay - Miniature, AC coil
- Miniature plug-in / PCB relay
- AC coil
- 1 double make/double break contact
- High maximum current
- Long electrical life
- Flat, square and tin plated relay pins for excellent socket connection / PCB mounting pins
- Wide range sockets
- Transparent cover
- Optional positive mechanical keying relay to socket
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303 relay - Safety critical, 19 contacts
- Instantaneous relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 19 double break contacts in all N/O and N/C combinations
- Weld no transfer safety contacts standard
- Optional gold contacts
- Optional gold bifurcated and silver contacts
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
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401 relay - Safety critical, 40 contacts
- Instantaneous & safety critical relay
- Plug-in design with secure locking feature for maximum ease of maintenance
- 40 double break contacts in all N/O and N/C combinations
- Weld no transfer safety contacts standard
- Contact life (mechanical) of 100 million cycles
- -40 °C...+80 °C operating temperature
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D8-U200 relay - Plug-in, 8 pole
- Compact plug-in design
- Instantaneous, 8 C/O contacts
- Back EMF suppression diode
- Magnetic arc blow-out
- Flat, square and silver plated relay pins for excellent socket connection
- Wide range sockets
- 2 integrated snap locks
- Transparent cover
- High DC breaking capacity
- Optional positive mechanical keying relay to socket
- Flexibility by many options
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D6-U200N-W Instantaneous relay, weld-no-transfer, …
- Compact plug-in design
- Instantaneous, 4 N/O - 2 N/C contacts
- Weld-no-transfer (WNT) contacts
- Standard back EMF suppression diode
- Flat, square silver plated relay pins for excellent
- socket connection
- Wide range sockets
- Integrated snap lock
- Red or green LED optional
- Flexibility by many options
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