Multifunction relays

Multifunction relays

Universally usable - maximum function in minimum width

Multifunctional relays are universally usable thanks to the selection of the corresponding function. They also belong to the group of time relays with which you can cost-effectively realised specific time functions. A multifunctional relay can be used as a flasher relay, clock, impulse former, start-up and/or shut-down relay as well as contact and recurrence delay. You can simply set the respective function on the device.

Choose a product:

Nominal voltage AC

Nominal voltage AC/DC

Nominal voltage DC

Output contacts

Enclosure design

Width

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Multifunction Relay, digital MK 7830N

• According to IEC/EN 61 812-1
• Digital adjustable multifunction timer
• Functions can be adjusted separately for each output relay
- Off (OFF)
- Instantaneous contact (ON)
- On-delay (AV)
- Fleeting on make (EW)
- Delayed pulse with adjustable pulse length (IE)
- Cyclic timer, start with impulse (TI)
- Cyclic timer, start with break (TP)
- Off-delay (RV)
- Pulse forming function (IF)
- Fleeting on break (AW)
- Fleeting on make and break (EW / AW)
- On and off delay (AV / RV)
- Relay 1 = Relay 2, both switch simultaneously
• Dual voltage model AC 230 V + AC/DC 24 V
• 2 changeover contacts
• 2 times separately adjustable from 0.02s to 9999h
• LED-indicator
• As option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• Width: 22.5 mm

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Multifunction Relay MK 7850N/200

• According to IEC/EN 61 812-1
• 8 functions settable via rotational switch:
- Delay on energisation (AV)
- Fleeting on make (EW)
- Delayed pulse (IE)
- Flasher, start with pulse (BI)
- Delay on de-energisation (RV)
- Pulse forming function (IF)
- Fleeting on break (AW)
- Delay on energisation and de-energisation (AV / RV)
• 8 time ranges from 0.02 s to 300 h selectable via rotational switches
• Voltage range AC/DC 12 ... 240 V
• With time interruption / time adding input for all functions
• Suitable for 2-wire proximity sensor control
• 2 changeover contacts, one programmable as instantaneous contact
• LED indicators for operation, contact position and time delay
• Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
• as option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• 22.5 mm width
MK 7850N/500: as MK 7850N/200 but with
• 2 additional functions:
- Cyclic timer, start with break (TP)
- Fleeting on make and break (EW / AW)
• second time setting t2 for functions
- Cyclic timer, start with pulse (TI) or break (TP), based on the
separate setting of pulse and break time the flasher function
can be used as cyclic timer
- Fleeting on make and break (EW/AW)
- Delay on energisation and de-energisation (AV / RV)
- Delay pulse (IE) and setting of pulse length
• Connection facility for 2 external potentiometers

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Multifunction Relay MK 7850N/500

• According to IEC/EN 61 812-1
• 8 functions settable via rotational switch:
- Delay on energisation (AV)
- Fleeting on make (EW)
- Delayed pulse (IE)
- Flasher, start with pulse (BI)
- Delay on de-energisation (RV)
- Pulse forming function (IF)
- Fleeting on break (AW)
- Delay on energisation and de-energisation (AV / RV)
• 8 time ranges from 0.02 s to 300 h selectable via rotational switches
• Voltage range AC/DC 12 ... 240 V
• With time interruption / time adding input for all functions
• Suitable for 2-wire proximity sensor control
• 2 changeover contacts, one programmable as instantaneous contact
• LED indicators for operation, contact position and time delay
• Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
• as option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• 22.5 mm width
MK 7850N/500: as MK 7850N/200 but with
• 2 additional functions:
- Cyclic timer, start with break (TP)
- Fleeting on make and break (EW / AW)
• second time setting t2 for functions
- Cyclic timer, start with pulse (TI) or break (TP), based on the
separate setting of pulse and break time the flasher function
can be used as cyclic timer
- Fleeting on make and break (EW/AW)
- Delay on energisation and de-energisation (AV / RV)
- Delay pulse (IE) and setting of pulse length
• Connection facility for 2 external potentiometers

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Multifunction relay IK 7817N/200

• According to IEC/EN 61 812-1
• 8 functions settable via rotational switch:
- Delay on energisation (AV)
- Fleeting on make (EW)
- Delay pulse (IE)
- Flasher, start with pulse (BI)
- Delay on de-energisation (RV)
- Pulse forming function (IF)
- Fleeting on break (AW)
- Delay on energisation and de-energisation (AV / RV)
• 8 time ranges from 0.02 s ... 300 h selectable via rotational
switches
• Voltage range AC/DC 12 ... 240 V
• With time interruption / time adding input
• Adjustment aid for quick setting of long time values
• Suitable for 2-wire proximity sensor control
• 1 changeover contact
• LED indicators for operation, contact position and time delay
• Devices available in 2 enclosure versions:
IK 7817N: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK 7817N: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct
• 17.5 mm width
IK/SK 7817N/500: as IK/SK 7817N/200 but with
• 2 additional functions:
- Cyclic timer, start with break (TP)
- Fleeting on make and break (EW / AW)
• second time setting t2 for functions
- Cyclic timer, start with pulse (TI) or break (TP), based on the
separate setting of pulse and break time the flasher function
can be used as cyclic timer.
- Fleeting on make and break (EW/AW)
- Delay on energisation and de-energisation (AV / RV)
- Delay pulse (IE): setting of pulse length
• Connection facility for external potentiometer 10 kΩ

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Multifunction relay SK 7817N/200

• According to IEC/EN 61 812-1
• 8 functions settable via rotational switch:
- Delay on energisation (AV)
- Fleeting on make (EW)
- Delay pulse (IE)
- Flasher, start with pulse (BI)
- Delay on de-energisation (RV)
- Pulse forming function (IF)
- Fleeting on break (AW)
- Delay on energisation and de-energisation (AV / RV)
• 8 time ranges from 0.02 s ... 300 h selectable via rotational
switches
• Voltage range AC/DC 12 ... 240 V
• With time interruption / time adding input
• Adjustment aid for quick setting of long time values
• Suitable for 2-wire proximity sensor control
• 1 changeover contact
• LED indicators for operation, contact position and time delay
• Devices available in 2 enclosure versions:
IK 7817N: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK 7817N: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct
• 17.5 mm width
IK/SK 7817N/500: as IK/SK 7817N/200 but with
• 2 additional functions:
- Cyclic timer, start with break (TP)
- Fleeting on make and break (EW / AW)
• second time setting t2 for functions
- Cyclic timer, start with pulse (TI) or break (TP), based on the
separate setting of pulse and break time the flasher function
can be used as cyclic timer.
- Fleeting on make and break (EW/AW)
- Delay on energisation and de-energisation (AV / RV)
- Delay pulse (IE): setting of pulse length
• Connection facility for external potentiometer 10 kΩ

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Multifunction relay RK 7817

• According to IEC/EN 61 812-1
• 8 time ranges adjustable from 0.02 s to 300 h via rotational switches
• Dual-voltage-version AC 230 V + AC/DC 24 V or
AC 110 ... 127 V + AC/DC 24 V
• Signle-voltage-version AC/DC 24 V or DC 12 V
• 1 changeover contact
• As option units with second changeover contact
(only for voltage AC 230 V + AC/DC 24 )
- on delayed
- as instantaneous contact
• 8 functions via rotational switches adjustable:
- delay on energisation (AV)
- fleeting on make (EW)
- delayed pulse (IE)
- flasher, start with puls (BI)
- delay on de-energisation (RV)
- pulse forming function (IF)
- fleeting on break (AW)
- delay on energisation and de-energisation (AV / RV)
• With time interruption / time adding
• LED indicators for operation, contact position and time delay
• As option with plug in terminal blocks for
exchange of devices, available
- with screw terminals
- with cage clamp terminals
• Width: 17.5 mm

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Multifunction Relay BC 7935N

• According to IEC/EN 61 812-1
• 8 functions selectable by rotational switch:
AV - operate delay
EW - fleeting on make
IE - delayed pulse function
BE - flasher start with impulse
RV - release delay
IF - pulse forming
AW - fleeting on break
AV/RV - operate / release delay
• With 10 time ranges up to 300 h selectable by rotational switch
• Time addition via control input B1 for the functions AV, EW, IE, BE
• Time ranges up to 300 h
• AC/DC 24 ... 240 V
• 1 changeover contact
• LED indicators for voltage supply and contact position,
flashing function during elapse of time
• Wire connection: also 2 x 1.5 mm2 stranded ferruled (isolated),
DIN 46 228-1/-2/-3/-4 or 2 x 2.5 mm2 stranded ferruled DIN 46 228-1/-2/-3
• Width 22.5 mm

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Multifunction relay for large DC loads (DC 110 V) SN 7920

• According to IEC/EN 61 812-1
• 8 functions settable via rotational switch:
- Delay on energisation (AV)
- Fleeting on make (EW)
- Delay pulse (IE)
- Flasher, start with pulse (BI)
- Delay on de-energisation (RV)
- Pulse forming function (IF)
- Fleeting on break (AW)
- Delay on energisation and de-energisation (AV / RV)
• 8 time ranges from 0.05 s ... 300 h selectable via rotational switches
• Voltage range AC/DC 24 ... 230 V
• With time interruption / time adding input
• Adjustment aid for quick setting of long time values
• Contacts:
- 1 NC + 2 NO delayed
- 1 NC + 2 NO delayed or instantaneous
• LED indicators for operation, contact position and time delay
• 52.5 mm width

More information

Multifunctional relays are part of the group of time relays. These allow the cost-effective realisation of specific time functions.

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