Non-Automatic Circuit
LB-250 , LB-480
White(Blue)
Power Supply: Three-Phase
Non-Automatic Circuit
LBT-250 , LBT-480 , LBT-800
Red(Brown)
Red
Black
White(Blue or Grey)
Black(Black)
White
Green(Green/Yellow)
Green
Frame
Grounding
Ground
Circle Thermal
Protector
Coil
Coil
Coil
Heater
Heater
U
V
W
Red
Blue
Black
Capacitor
Aux.Coil
Main Coil
Miniature Protector
Power Supply:Single-Phase
Non-Automatic Circuit
LB-800
Power Supply:Single-Phase
Red(Brown)
Red
White
Green
(Green/Yellow) Green
Frame Grounding
Ground
L1
L2
Automatic Operation Circuit ( Level Relay Uint)
LB-250A , LB-480A
Automatic Operation Circuit (for float type)
Automatic Operation Circuit (for float type)
LBZ-480
LBZ-800
Level Relay Unit
Red
Red
Ground
Red(Brown)
Black Triac
Black
White(Blue)
White
White
Green
(Green/Yellow)
Green
Frame
Grounding
L1
L2
Blue
Red
Black
Blue
Capacitor
Aux.
Coil
Main
Coil
Miniature
Protector
Transformer
Electrode
Automatic Operation Circuit (for electrode type)
LB-800A
Power Supply: Single-Phase
Level Relay Unit
Red
Ground
Red(Brown)
Black Triac
White(Blue)
White
White
Green
(Green/Yellow)
Green
Frame
Grounding
L1
L2
Capacitor
Aux.
Coil
Main
Coil
Transformer
Electrode
Power Supply: Single-Phase
Power Supply:
Single-Phase
Power Supply:
Single-Phase
Miniature
Protector
Red
Ground
Red(Brown)
White(Blue)
White
Green
(Green/Yellow)
Green
Frame
Grounding
Capacitor
Aux.
Coil
Main
Coil
Circle Thermal Protector
Circle Thermal Protector
Float Switch (Normally open contact)
Red
Ground
Red(Brown)
White(Blue)
White Heater
Heater
Green
(Green/Yellow)
Green
Frame
Grounding
Capacitor
Aux.Coil
Main
Coil
Circle Thermal Protector
Red
Ground
Red(Brown)
White(Blue)
White
Heater
Green
(Green/Yellow)
Green
Frame
Grounding
Capacitor
Aux.Coil
Main
Coil
L1
L2
L1
L2
L1
L2
Float Switch (Normally open contact)
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