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• According to IEC/EN 61 812-1
• Pulse time up to 100 s
• Adjustable flashing time
• Repeat accuracy ≤ 1 %
• Start with a pulse
• LED indicator for contact position
• 1 changeover contact
• Devices available in 2 enclosure versions:
IK 7816: depth 58 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK 7816: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable ducts
• Width 17.5 mm

• 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

• According to IEC/EN 61 812-1
• 1 changeover contact
• Delay of 0.05 ... 300 s
• Wide voltage range
• Repeat accuracy ≤ 1 %
• Without auxiliary voltage
• LED indicator for operation
• Devices available in 3 enclosure versions:
IK 7819: depth 58 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK 7819,
BC 7938N: depth 98 mm, with terminals at the top for
cabinets with mouning plate and cable duct
• IK/SK 7819: width 17.5 mm
BC 7938N: width 22.5 mm

• According to IEC/EN 61 812-1
• With 4 time ranges of 0.25 ... 640 s or 0.25 ... 640 min
• Adjustable
• With auxiliary voltage
• For wide voltage range AC 50/60 Hz 110 ... 240 V
• Control input operated with nominal voltage;
no voltage free contact necessary
• LED indicator for status of contact
• 1 changeover contact
• Devices available in 2 enclosure versions:
IK 7823: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK 7823: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct
• Width 17.5 mm

• According to IEC/EN 61 812-1
• Delay of 0.05 s ... 60 min.
• Repeat accuracy ≤ 0.5 % + 10 ms
• Pushbutton for manual actuation of the contact
• 1 or 2 changeover contacts for 16 A
• Width 17.5 mm

• According to IEC/EN 61 812-1
• Fleeting action 0.05 ... 1 s, adjustable
• Fleet make contact
• Repeat accuracy ≤ 0.5 % + 10 ms
• Pushbutton for manual actuation of the contact
• 1 changeover contact for 16 A
• Width 17.5 mm

• According to IEC/EN 61 812-1
• Pulse time up to 100 s
• IK 7827 start with pulse
• IK 7827/100 start with pause
• Repeat accuracy ≤ 0.5 % + 10 ms
• Pushbutton for manual actuation of the contact
• 1 changeover contact for 16 A
• Width 17.5 mm

• According to IEC/EN 61 812-1
• 8 time ranges from 0.05 s to 300 h selectable via rotational switches
• Impulse and break time separately adjustable
• Selectable start with impulse or break
• Voltage range AC/DC 12 ... 240 V
• Adjustment aid for quick setting of long time values
• Suitable for 2-wire proximity sensor control
• LED indicators for operation, contact position and time delay
• 1 changeover contact
• As option connection of 2 remote potentiometers 10 kΩ
• Devices available in 2 enclosure versions:
IK 7854: depth 59 mm, with terminals at the bottom for installation
systems and industrial distribution systems according to
DIN 43 880
SK 7854: depth 98 mm, with terminals at the top for cabinets with
mounting plate and cable duct
• 17.5 mm width

• According to IEC/EN 61 810-1
• Optionally contacts with up to a maximum 4 changeover contacts
• High thermal current Ith
• Pushbutton for manual actuation of the contact
• Operating position display
• Optionally without manual actuation and an operating position display
• Optionally for 2-wire initiator activation
• Optionally for switching low loads
• Optionally for switching lamps with parallel compensation (e.g. HQ lamps)
• Optionally for switching large inductive direct current loads
• Optionally with a recovery diode (only DC devices)
• Optionally with reliable release voltage of AC 120 V
• IK 8701: width 17.5 mm
IL 8701: width 35 mm
IN 8701: width 52.5 mm

• According to IEC/EN 60 669
• 2 separate systems at 17.5 mm width
• Space saving
• Reduced wiring
• Contacts:
IK/SK 8702.01: 16 A
IK/SK 8702.01/200: 10 A
• Silent switching
• 10 mA / 5 mA glow lamp load
• Devices available in 2 enclosure versions:
IK 8702: 59 mm deep with terminals near to the bottom to be
mounted in consumer units or industrial distribution
systems according to DIN 43 880
SK 8702: 98 mm deep with terminals near to the top to be mounted
in cabinets with mounting plate and cable ducts
• Width: 17.5 mm

• According to IEC/EN 60 669
• 2 separate systems at 17.5 mm width
• Space saving
• Reduced wiring
• Contacts:
IK/SK 8702.01: 16 A
IK/SK 8702.01/200: 10 A
• Silent switching
• 10 mA / 5 mA glow lamp load
• Devices available in 2 enclosure versions:
IK 8702: 59 mm deep with terminals near to the bottom to be
mounted in consumer units or industrial distribution
systems according to DIN 43 880
SK 8702: 98 mm deep with terminals near to the top to be mounted
in cabinets with mounting plate and cable ducts
• Width: 17.5 mm

• According to IEC/EN 60 669
• Reduces the size of the wire cross-sections required for large
electricity consumers
• Cost savings
• Width 17.5 mm

• According to IEC/EN 60 669
• Impulse operation
• Pushbutton for manual actuation of the contacts
• Operating position display
• Optionally contacts with up to a maximum of 4 changeover contacts
• Width 17.5 mm or 35 mm

• According to IEC/EN 60 255, IEC/EN 61 810-1
• With 1 or 2 changeover contacts as options
• High permanent current Ith
• For switching low loads as an option
• LED display (for AC/DC 24 V only)
• Width 17.5 mm

• According to IEC/EN 60 669
• Impulse operation
• Pushbutton for manual actuation of the contact
• Operating position display
• Max. glow lamp load: 4 mA
• IK 8805: width 17.5 mm
IL 8805: width 35 mm

• According to IEC/EN 60 669
• With 1 or 2 NO contacts as options
• When ZE or ZA is actuated, the pulse via room pushbuttons is
ineffective
• 15 mA glow lamp load
• Width 17.5 mm

• For two-wire technology
• According to IEC/EN 61 812-1
• programmable time ranges between 0.06 ... 160 s or 0.06 ... 160 min
• Programmable nominal voltage AC/DC 24 ... 240 V
• Repeat accuracy ≤ ± 1 %
• Thyristor output for 10 ... 800 mA
• Width 17.5 mm

• According to EN 60669
• Setting range 0.5 ... 10 min.
• For 4-wire circuit L on push button and
3-wire circuit N on push button
• Can be retriggered
• Switch for continuous light on unit
• Contact: 16 A
• Width 17.5 mm

• According to EN 60669
• Setting range 0.5 ... 10 min.
• For 4-wire circuit L on push button and
3-wire circuit N on push button
• Can be retriggered
• with pre-warning shortly before end of time delay
• Switch for continuous light on unit
• Contact: 16 A
• Width 17.5 mm