Littelfuse 54109 Instrucciones De Instalación

Installation Instructions
Illuminated Handle Toggle Switches
Part Numbers: 54109, 54109-01, 54110, 54110-01, M-54111-01, and
M-54111-02
Switch Positions and Functions
The following switch configurations and diagrams illustrate the most common types of toggle switches.
SP: Single Pole, one circuit controlled by the switch.
ST: Single Throw, closes a circuit at only one position and with one throw.
DT: Double Throw, closes a circuit in the up or down position (On-On or On-Off-On).
Dependent: Switch handle is lit only when switch is in an On position.
Independent: Switch handle is lit at all times the system is powered (whether the switch is in an On or Off position).
SPST On-Off
*Images may differ than switch you are installing.
Switches with One Pilot Light
SPST Off-ON – Dependent Light (Three Terminals)
Diagram A
4
+
B 2
3
L
Switches with Two Pilot Lights
SPST Off-On – Dependent & Independent Lights
(Four Terminals)
Diagram D
4
+
2
B
3 6
L
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SPDT On-Off-On
SPST Off-On – Independent Light (Four Terminals)
Diagram B
4
+
2
B
L 3 6
SPDT On-Off-On or On-On – Dependent & Independent
Lights (Four Terminals)
Diagram E
1 4
L1
+
2
B
3
L2
1 of 3
SPST Off-On – Independent converted to Dependent
(Four Terminals)
Connect jumper wire (not included) from T3 to T6 and connect T4
Diagram C
4
+
2
B
L 3 6
Jumper
SPDT On-Off-On or On-On – Two Independent Lights
(Four Terminals)
Diagram F
L1
1 4
+
B
2 5
L2
3 6
IF-143 Rev: 010320-B