Technical  

Rated Current Ie: 45A  

Rated Operating Voltage  (Ue): 230V 50Hz 

No. of Poles: 1P+N  

Utilization category: AC22A switching of mixed resistive  and inductive loads including  moderate overloads 

 IP rating: IP20 to BS EN60529  

Conforms to: BS EN 61439-3 

 Main switch: BS EN60947-3  

MCB: 6A 1 pole type B 6kA BSEN60898-1  

Max. cable size 35mm²  

Enclosure Material: Mild steel  

Finish: RAL3020 Epoxy powder coat  

Dimensions (mm): 250H x 135W x 89D  

Knockouts: 25+32mm top and bottom  

Supplied with: 2x locking devices, which can be   fitted to main switch and MCB in   either the ON or OFF position   (padlocks not included) 

Tightening torque: Main switch: 2.5Nm  MCB: 2.5Nm

This unit must be installed by a qualifified electrician in  accordance with the latest edition of the IEE Wiring  Regulations for Electrical Installations (BS 7671). 

 1 Installation Guide 

  1.1 Remove appropriate cable knockout(s)  

  1.2 Loosen the two cover screws and remove the   front cover  

  1.3 Fix GFCU1-FA securely to wall with 3 screws  

  1.4 Ensure main switch is in the OFF position  

  1.5 Cut and dress MAINS feed cables to top terminals   on main switch (L + N) .  

  1.6 Connect LOAD cable to top terminal of the MCB   and outgoing neutral terminal  

  1.7 Check all connections are torqued to the correct   settings  

  1.8 Ensure the ‘Earth Link Connection’ is attached and   secure, between the earth studs on the back box   and cover of the enclosure, before fitting the front   cover.  

       To relieve undue pressure on the stud, first fit the   M6 plain nut and washer. Fit the earth cable to the   stud, and secure using the nylok nut; by locking   the two nuts against each other. 

  1.9 Refit front cover  

2 Testing of the Installation 

   2.1 Following completion of the installation, it is   essential that it is tested in accordance with the   latest edition of the IEE Wiring Regulations for   Electrical Installations (BS 7671).  

What to do if an MCB trips 

 Reset tripped MCB to the ON position. If device trips again,  disconnect all appliances connected to this circuit. Switch  MCB ON and safely connect appliances one at a time to  identify which one trips the device.  

In all cases, once the faulty appliance has been identified,  do not continue to use the item until it has been checked.