www.ssz-gmbh.de [email protected] Thüringerstrasse 17, 46286 Dorsten
7
TECHNICAL PARAMETERS
Nominal supply voltage SSZ-RZ4 / SSZ-RZ4B
24V AC 50 Hz or 24 VDC
Allowable voltage
10.6 VDC - 36 VDC or 8 VAC - 24 VAC
Max . current consumption
290mA@12VDC; 135mA@24VDC; 250mA@24VAC
Rated current
100mA@24VDC
Power consumption P1
2,4 W
Internal fuse
1500 mA
Power circut required fuse
2A
DIN Rail mount
Yes
Max . resistance of the sensor element channel
1 and 2
250kOhm
Max. resistance difference between the chan-
nels 1 und 2
20 %
Max . response time
< 20ms
Performance Level acc . to EN ISO 13849-1
PL=d (Pl e)*
The service life
20 years
MTTFd in connection with SSZ-presure equip-
ment
74,1
CCF (common cause failure)
75
PFHd acc . to IEC/EN 62061 in connection with
SSZ-Pressure equipment
6.8
E-8
The category acc . to IEC/EN 62061
SIL 2
Safety category acc . to EN ISO 13849-1:2016-02
3
Contact rating acc . to EN 60947-5-1
15 VAC (50/60Hz) - 3A 13 VDC - 3A
Min . switching current I
1
channel 9-10/11-12
5V/10 mA
Max . switching current I
2
channel 9-10/11-12
2 A
Mechanical endurance channel 9-10/11-12
>10
7
Electrical endurance channel 9-10/11-12
>3,6 x 10
5
(DC24V/1A)
Rated operational power
800mW
Reset
automatic/manual
Storage temperature [°C]
-10 - +50
Grade of protection acc . to IEC 60529:2003
IP30
Dimensions
112x23x99
Weight
180g
SSZ-RZ4/SSZ-RZ4B/ TESTING BASICS EN ISO 13849-1/2, EN ISO 13856 1-3
Working temperature range
0°C - +50°C
DC (diagnostic coverage)
90%
