SIRIUS 3RU2/3RB3 overload relays   
5.9 Accessories 
  SIRIUS Innovations 
528  System Manual, 01/2011, A8E56203870002-03 
Step  Operating instruction  Figure 
3  Attach the former to the release slide. 
3  Fit the pushbutton (3SB3000-0EA11) in the 
front cover.  
4  (Optional) Attach the pushbutton to the 
extension plunger (3SX1335).  
3SX1335
3SB3000-0EA11
3
4
5
 
Disassembly 
The figure below shows how to disassemble the holder based on the example of the 
3RU21 thermal overload relay: 
Table 5- 25  Disassembling the release slide 
Step  Operating instruction  Figure 
1  Press the locking latch down. 
2  Tilt the module toward you and take it off the 
overload relay.