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Terminals; Table 3-2: Rated Operating Currents Ie - Siemens 3TK2845 Manual

Safety relays, multifunction device
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Type
PFH
SFF [%]
T1
Table 3-1: Technical Data
Rated operating currents I
Notice
A 4 A gL/gG quick fuse (DIN EN60947-5-1) must be connected upstream of the
device as short-circuit protection.
Terminal(s)
13, 14; 33, 34; 37, 38
13, 14; 33, 34; 37, 38
24; 44; 48
52
Table 3-2: Rated operating currents I
3.2

Terminals

The 3TK2845 multifunction device has a total of 24 terminals available in either screw connection technology or spring-loaded terminal connection technology,
which are suitable for the following terminal cross sections:
• Terminal connection
– finely stranded with end sleeve 2 x 0.5 up to 1.5 mm²;
– single-wire
Cable cross section, single or multi-stranded: 2 x AWG 20 up to 14
Tightening torque: 0.8 to 1.2 Nm
• Spring-loaded terminals (1 or 2 cables are connectable at each terminal)
– single-wire
– finely stranded with end sleeve 2 x 0.25 up to 1.0 mm²
– finely stranded without end sleeve2 x 0.25 up to 1.5 mm²
Cable cross-section, solid or stranded: 2 x AWG 24 up to 16
The rated supply voltage U
The terminals have degree of protection IP20 according to EN 60 529.
Protection against direct contact is given as shock-hazard protection according
to DIN VDE 0106, Part 100.
3TK2845 Multifunction Device Manual
GWA 4NEB 926 2087-22 DS 01
3TK2845-.....
6.303 x 10
97.17
10 years
according to IEC 60 947-5-1
e
Utilization
Rated operating
category
voltage U
DC-13
24 V
AC-15
230 V
DC-13
24 V
DC-13
24 V
e
1 x 0.5 up to 2.5 mm²
2 x 0.5 up to 2.5 mm²;
1 x 0.5 up to 4 mm²
2 x 0.25 up to 1.5 mm²
(24 V DC) is applied at terminals A1(L+) and A2(M).
s
Technical Data
-11
Rated operating
current I
e
e
1.0 A
3.0 A
1.0 A
0.5 A
3-3

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