Siemens 3TK28 - Page 59

Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
59
3TK2821-.C...
3TK2824-.B...
3TK2824-.C...
Design of the electrical connection jumper socket
Yes
Switching capacity current
• at AC-15 at 24 V
A
—
• of the NO contacts of the relay outputs
– at AC-15 at 230 V
A
5 6
– at DC-13 at 24 V
A
5 6
• of the NC contacts of the relay outputs at
AC-15
– at 115 V
A
5 —
– at 230 V
A
5 —
Thermal current
of the contact-affected switching
element
maximum
A
5
Electrical operating cycles as operating time typical
100 000
Mechanical operating cycles as operating time
typical
10 000 000
Design of the fuse link
for short-circuit protection
of the NO contacts of the relay outputs required
gL/gG: 6 A, or quick: 10 A
Type of voltage
of the controlled supply voltage
AC/DC DC AC/DC
Control supply voltage frequency 1 rated value
Hz
50
—
50
Control supply voltage frequency 2 rated value
Hz
60
—
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
0.85
1.1
• at 60 Hz
– for AC
0.85
1.1
• for DC
0.85
1.2