SIRIUS 3RF34 solid-state switching devices   
3.5 Planning/configuring 
  SIRIUS Innovations 
334  System Manual, 01/2011, A8E56203870002-03 
3.5.3  Short-circuit protection 
3.5.3.1  Mounting accessories for the load feeder conforming to IEC 
3RF34 solid-state contactors - coordination 1 and 2 conforming to IEC 
Combining 3RF34 solid-state contactors, type of coordination 1 (type 1), with 3RB3 overload relays  
3RF34 solid-state contactors can be combined with the following 3RB3 overload relays in 
conformance with type of coordination 1 (type 1): 
Table 3- 6  Order designations for 3RB3 overload relays 
3RF3 solid-state contactors 
3RF3405-xBByz  5.2 A  3RF3410-xBByz  9.2 A  3RF3412-xBByz  12.5 A  3RF3416-xBByz  16 A 
Compatible 3RB3 overload relays 
3RB3.2.-N..  0.32 - 1.25 A  3RB3.2.-N..  0.32 - 1.25 A  3RB3.2.-N..  0.32 - 1.25 A  3RB3.2.-N..  0.32 - 1.25 A 
3RB3.2.-P..  1 - 4 A  3RB3.2.-P..  1 - 4 A  3RB3.2.-P..  1 - 4 A  3RB3.2.-P..  1 - 4 A 
3RB3.2.-S..  3 - 12 A  3RB3.2.-S..  3 - 12 A  3RB3.2.-S..  3 - 12 A  3RB3.2.-S..  3 - 12 A 
–  3RB3.2.-Q..  6 - 25 A  3RB3.2.-Q..  6 - 25 A  3RB3.2.-Q..  6 - 25 A 
Combining 3RF34 solid-state contactors, type of coordination 2 (type 2), with 3RB3 overload relays  
3RF34 solid-state contactors can be combined with the following 3RB3 overload relays in 
conformance with type of coordination 2 (type 2): 
Table 3- 7  Order designations for 3RB3 overload relays 
3RF3 solid-state contactors 
3RF3405-xBByz  5.2 A  3RF3410-xBByz  9.2 A  3RF3412-xBByz  12.5 A  3RF3416-xBByz  16 A 
Compatible 3RB3 overload relays 
3RB3.2.-N..  0.32 - 1.25 A 
(3RB3 determining fuse 
protection) 
3RB3.2.-N..  0.32 - 1.25 A 
(3RB3 determining fuse 
protection) 
3RB3.2.-N..  0.32 - 1.25 A 
(3RB3 determining fuse 
protection) 
3RB3.2.-N..  0.32 - 1.25 A 
(3RB3 determining fuse 
protection) 
3RB3.2.-P..  1 - 4 A  3RB3.2.-P..  1 - 4 A  3RB3.2.-P..  1 - 4 A 
(3RB3 determining fuse 
protection) 
3RB3.2.-P..  1 - 4 A 
(3RB3 determining fuse 
protection) 
3RB3.2.-S..  3 - 12 A  3RB3.2.-S..  3 - 12 A  3RB3.2.-S..  3 - 12 A  3RB3.2.-S..  3 - 12 A 
–  3RB3.2.-Q..  6 - 25 A  3RB3.2.-Q..  6 - 25 A  3RB3.2.-Q..  6 - 25 A 
Table 3- 8  Supplements to order numbers: 
x = type of connection system 
 
1 = screw connection 
2 = spring-loaded terminals 
y = type of control voltage 
 
0 = 24 V DC acc. to EN 61131-2 
2 = 110 to 230 AC 
z = type of rated control voltage 
 
4 = 48 to 480 V 
6 = 48 to 600 V