Siemens SIRIUS 3RH Series - General Data, Short-Circuit Protection for Contactors Without Overload Relay and Actuation (3 RT251. and 3 RT252. Contactors)

SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
263
2.8.2.3 General data, short-circuit protection for contactors without overload relay and
actuation (3RT251. and 3RT252. contactors)
Table 2- 99 General data - 3RT251. and 3RT252. contactors
Type 3RT2516 3RT2517 3RT2518 3RT2526
Size S00 S0
General data
Permissible mounting position
1)
Mechanical durability Opera-
ting
cycles
30 million 10 million
Electrical durability Opera-
ting
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 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- 100 Short-circuit protection for contactors without overload relay (3RT251. and 3RT252. contactors)
Type 3RT2516 3RT2517 3RT2518 3RT2526
Size S00 S0
Short-circuit protection for contactors without overload relay
Main circuit
Fuse links, gL/gG
 Type of coordination
"1"
A 35 63
NH 3NA, DIAZED 5SB,
NEOZED 5SE
 Type of coordination
"2"
A 20 35
Acc. to
IEC 60947-4-1/DIN EN 60947-4-1
 Weld-free
V 10 16