1) Object with 90% remission (based on standard white, DIN 5033).
2) Average service life: 100,000 h at TU = +25 °C.
Mechanics/electronics
Supply voltage
20 V AC/DC ... 250 V AC/DC
Power consumption
< 2 VA
Switching output
Relay, electrically isolated 1)
Output function
Change-over contacts
Switching mode
Light switching 1)
Dark switching
Switching mode selector
Selectable via light/dark selector
Switching current (switching voltage)
4 A @ 250 V AC, 4 A @ 24 V DC, 0.125 A @ 250 V DC
UL: 4 A @ 250 V AC, general use / 4 A @ 250 V AC, resistive (NO) / 3 A @ 250 V AC, resistive (NC) / 4 A @ 24 V DC, NO, general use / 3 A @ 24 V DC, NC, general use / R300 / B300 (NO contacts only)
Response time
≤ 10 ms
Switching frequency
10 Hz 2)
Time functions
On delay
Off delay
Adjustable
Delay time
Adjustable via time delay selector switch, 0.5 s ... 10 s
Connection type
Terminal connection with M16 gland
Circuit protection
A 3)
C 4)
Protection class
II 5)
Weight
140 g
Housing material
Plastic, ABS
Enclosure rating
IP67
Ambient operating temperature
–40 °C ... +60 °C
Ambient temperature, storage
–40 °C ... +75 °C
UL File No.
NRKH.E181493 & NRKH7.E181493
1) Provide suitable spark suppression for inductive or capacitive loads.
2) With light/dark ratio 1:1.
3) A = VS connections reverse-polarity protected.
4) C = interference suppression.
5) Rated voltage: 250 V AC/DC.
Safety-related parameters
MTTFD
487 years
DCavg
0 %
TM (mission time)
20 years
B10d
59,123 Switching cycles 1)
1) Only for devices containing electro-mechanical components. In this case, the MTTFD value of the entire device must be calculated from the given B10D value, the number of switching cycles and the given MTTFD value.
