51-256.025D

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EAO

KEYLOCK SWITCH 2 POSITIONS REST(A)-MAINTAINED SA 2NC+2NO ST 18X18 GOLD/SILVER 311

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EAO

KEYLOCK SWITCH 2 POSITIONS REST(A)-MAINTAINED SA 2NC+2NO ST 18X18 GOLD/SILVER 311

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General part information

Keylock Switch 2 Position 4PST-2NO/2NC 5A (AC) 250 VAC DC Panel Mount

Technical documentation and resources

Specification	51-256.025D	51-256 Series

Actuator Type	Flat Key	Flat Key
Angle of Throw	90 °	90 °
Circuit	4PST-2NO/2NC	4PST-2NO/2NC, DPST-NO/NC, SPST-NC
Contact Timing	Not Specified	Not Specified
Current Rating (Amps)	5 A	5 - 100 A
Depth Behind Flange	34 mm	34 mm
Features	IP65	IP65
Ingress Protection	-	IP65 - Dust Tight, Water Resistant
Key Removable Positions	1 only	1 only
Mounting Type	-	Panel Mount, Front
Number of Positions	2	2
Operating Temperature [Max]	55 °C	55 °C
Operating Temperature [Min]	-25 °C	-25 °C
Panel Cutout Dimensions [diameter]	16 mm	16 mm
Reset Operation	-	Twist
Switch Function	On-Off, Off-On	On-Off, Off-On
Termination Style	Solder Lug	Solder Lug, PC Pin
Voltage Rating - AC	250 V	42 - 250 V
Voltage Rating - DC	-	42 V

Part	Depth Behind Flange	Angle of Throw	Features	Contact Timing	Voltage Rating - AC	Panel Cutout Dimensions [diameter]	Number of Positions	Key Removable Positions	Termination Style	Current Rating (Amps)	Switch Function	Operating Temperature [Max]	Operating Temperature [Min]	Actuator Type	Circuit	Ingress Protection	Mounting Type	Reset Operation	Voltage Rating - DC
EAO 51-256.025D	34 mm	90 °	IP65	Not Specified	250 V	16 mm	2	1 only	Solder Lug	5 A	Off-On, On-Off	55 °C	-25 °C	Flat Key	4PST-2NO/2NC
EAO 51-256.025					250 V	16 mm			Solder Lug	5 A	Off-On, On-Off	55 °C	-25 °C		DPST-NO/NC	IP65 - Dust Tight, Water Resistant	Panel Mount, Front	Twist
EAO 51-256.026					42 V	16 mm			PC Pin, Solder Lug	100 mA	On-Off	55 °C	-25 °C		SPST-NC	IP65 - Dust Tight, Water Resistant	Panel Mount, Front	Twist	42 V