Technical Specifications - ASO Safety Solutions ISK 77 Manuel D'utilisation

12. Technical specifications

Supply voltage
Low voltage
Power consumption
Terminal resistance of the sensors
nominal value
upper switching point
lower switching point
Safety switch contact
Output
Max. switching voltage
Max. switching current
Resistor (switched on)
Resistor (switched off)
Switching off delay
(response time)
Switching on delay
Housing
Stationary coil core SPK 77
Stationary coil core SPK 55
Travelling coil core SPK 54
Switching unit ISK 77
Temperature range
Connection cable cross-section
single- or fine-stranded cable max. 0,5 mm
Certifications
ISK 77 E, ISK 77 W, SPK 77 E, SPK 77 W
DIN EN ISO 13849-1:2008 category 3 PL d
(MTTFd = 620 years , DCavg = 99,1%)
ISK 77 R, SPK 77 R
DIN EN ISO 13849-1:2008 category 2 PL d
(MTTFd = 620 years , DCavg = 94,53%)
Safety equipment in accordance with DIN EN 12978
All voltages connected to the switching unit must
be safely isolated!
24 V AC/DC ±10 %
U
E
21,6 to 35 V DC
P
1 W
max
stationary SCE
R
= 8,2 kΩ
nom
R
> 12,0 kΩ
AO
R
< 5,0 kΩ
AU
ISK 77 E / SPK 77 E
semiconductor (FET)
35 V
250 mA (output per)
< 10 ms (stationary SCE)
< 20 ms (ISK)
< 10 ms (test)
500 ms (25ms after test)
Dimensions HxWxD Weight
100 x 39 x 30 mm 150 g
40 x 39 x 30 mm 100 g
38 x 45 x 33 mm
80 x 65 x 24 mm
-20 °C to +50 °C
2
(not for ISK 77 E / SPK 77 E)
(only for ISK 77 E / SPK 77 E)
(with 24V DC without load)
ISK 77 R / SPK 77 R ISK 77 W / SPK 77 W
semiconductor relay semiconductor relay
(SSR)
50 V
50 mA
R < 40 Ω
ON
R > 100 MΩ
OFF
Prot.-Class
IP65 Black PU potting comp.
IP65 Black PU potting comp.
86 g IP65 Black PU potting comp.
96 g IP65 Black PU potting comp.
EC type examination no.:
44 205 10 375347-001
Certificate no.:
44 780 10 375347-001
Test report no.:
10 205 375347
travelling SCE
= 8,2 kΩ
> 20,0 kΩ
< 2,5 kΩ
(SSR)
50 V
50 mA
Material
31