Toshiba RC803A-HP1 Manuale Utente

Pagina di 19
Please thoroughly read this instruction 
 before using the
 Current 
 Relay.
1. General 
This current relay is designed to detect current in AC circuits
with a wide range of 
 
 detection of abnoraai
current of 
 electrical 
 due to overloads or broken
c i r c u i t s  
heater circuits), detection of starting current to
autoaaticaiiy advance the secondary resistance on induction wound
rotor motor controllers.
During starting, excessive current such as inrush current, 
exceed rated current flow in motor 
 transforaer circuits.
t h i s
current relay has an adjustable delay circuit to prevent it 
operating during start-up.
F u r t h e r ,   t h i s   c u r r e n t  
  i s   f a i l   s a f e .   T h e   r e l a y  
at the 
 
 control Dower is applied. and the relay is 
energized when the 
 
 exceeds the 
 level or control
Dower is removed.
2. Check Before Using
Before 
 this relay. check the following Doints. If any
defects are found, contact the dealer 
 which you purchased this
relay.
2.1 External 
Check the relay for any missing Darts and for damage, dirt,
rust, and loosened 
 caused during transportation.