Siemens SIRIUS 3RH Series - Contactors for Specific Applications (3 RT23 and 3 RT25); General Data, Short-Circuit Protection for Contactors Without Overload Relay and Actuation (3 RT231. and 3 RT232. Contactors)

SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
258 System Manual, 01/2011, A8E56203870002-03
2.8.2 Contactors for specific applications (3RT23 and 3RT25)
2.8.2.1 General data, short-circuit protection for contactors without overload relay and
actuation (3RT231. and 3RT232. contactors)
Table 2- 94 General data - 3RT231. and 3RT232. contactors
Type 3RT2316 3RT2317 3RT2325 3RT2326 3RT2327
Size S00 S0
General data
Permissible mounting position
1)
Mechanical durability Operating
cycles
30 million 10 million
Electrical durability Operating
cycles
Approx. 0.5 million
Rated insulation voltage U
i
(pollution
degree 3)
V 690
 Operation
°C -25 ... +60 Permissible
ambient
temperature
 Storage
°C -55 ... +80
Degree of protection to EN 60947-1,
Annex C
Device IP20 IP20 (terminal
compartment IP00)
Touch protection acc. to DIN EN 50274 Finger-safe
1)
Corresponding to the relevant 3-pole 3RT2. contactors.
Table 2- 95 Short-circuit protection for contactors without overload relay (3RT231. and 3RT232. contactors)
Type 3RT2316 3RT2317 3RT2325 3RT2326 3RT2327
Size S00 S0
Short-circuit protection for contactors without overload relay
Main circuit
Fuse links, operating
class gL/gG
 Type of
coordination
"1"
1)
A 35 63 160
NH 3NA, DIAZED 5SB,
NEOZED 5SE
 Type of
coordination
"2"
1)
A 20 25 / 35 63
Acc. to
IEC 60947-4-1/DIN EN
60947-4-1
 Weld-free
A 10 16 50
1)
Corresponding to the relevant 3-pole 3RT2. contactors.