Technical data
13.3 Expansion modules
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
239
3SK1220-.....
Backslide delay time
• after opening of the safety circuits typical
s
0.04
• at mains power cut
– typical
s —
– maximum
s
—
Adjustable backslide delay time after opening of the safety circuits
• initial value
s
—
• final value
s —
Recovery time
• after opening of the safety circuits typical
s
0.03
• after mains power cut typical
s —
Pulse duration
• of the sensor input minimum
s
0.06
• of the ON pushbutton input minimum
s 0.15
• of the cascading-entrance minimum
s —
Type of voltage of the controlled supply voltage
DC
Control supply voltage frequency
• 1 rated value
Hz
—
• 2 rated value
Hz —
Control supply voltage
• for DC rated value
V
24
– minimum
V —
– maximum
V
—
• at 50 Hz at AC rated value
V
—
– minimum
V —
– maximum
V
—
• at 60 Hz at AC rated value
V
—
– minimum
V —
– maximum
V
—
Operating range factor control supply voltage rated value of the
magnet coil
—
• at 50 Hz for AC
—
—
• at 60 Hz for AC
—
0.8
• for DC
1.2
Active power loss typical W 1.2