Siemens 3TK28 - Page 28

Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK28 safety relays
28 Manual, 07/2016, NEB926157502000/RS-AB/003
3TK2810-0G...
3TK2810-0B...
Design of the fuse link
for short-circuit
protection of the NO contacts of the relay
outputs required
quick: 5 A
Type of voltage
of the controlled supply
voltage
AC DC
Control supply voltage frequency 1 rated value
Hz
50
—
Control supply voltage frequency 2 rated value
Hz
60
—
Control supply voltage
1
for DC
final rated
value
• for DC rated value
V
— 24
Operating range factor control supply voltage
rated value of the magnet coil
• at 50 Hz for AC
– initial value
0.8 —
– final value
1.1 —
• at 60 Hz for AC
– initial value
0.8 —
– final value
1.1 —
• for DC
—
0.9
—
1.2