Chapter 2 - Safety Information    P50 Agile P153 
 
 
3.4  EQUIPMENT CONNECTIONS 
 
 
Warning: 
Terminals exposed during installation, commissioning and maintenance 
may present a hazardous voltage unless the equipment is electrically 
isolated. 
 
Caution: 
Tighten M4 clamping screws of heavy duty terminal block connectors to a 
nominal torque of 1.3 Nm. 
Tighten captive screws of terminal blocks to 0.5 Nm minimum and 0.6 Nm 
maximum. 
 
Caution: 
Always use insulated crimp terminations for voltage and current 
connections. 
 
Caution: 
Always use the correct crimp terminal and tool according to the wire size. 
 
Caution: 
Watchdog (self-monitoring) contacts are provided to indicate the health of 
the device on some products. We strongly recommend that you hard wire 
these contacts into the substation's automation system, for alarm 
purposes. 
 
3.5  PROTECTION CLASS 1 EQUIPMENT REQUIREMENTS 
 
 
Warning: 
Earth the equipment with the supplied PCT (Protective Conductor Terminal). 
 
Warning: 
Do not remove the PCT.