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Assembly settings
Front
Front form
Round

Round

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  • Rectangular
  • Round
  • Square
Front dimension
Ø 18 mm

Ø 18 mm

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  • 18 mm x 18 mm
  • 24 mm x 18 mm
  • Ø 18 mm
Mounting
Design
Raised

Raised

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  • Raised
Mounting type
Panel mounting

Panel mounting

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  • Panel mounting
Mounting cut-out
Ø 16 mm

Ø 16 mm

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  • Ø 16 mm
Electrical characteristics
Contacts configuration
2 NC + 2 NO

2 NC + 2 NO

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  • 1 NC + 1 NO
  • 2 NC + 2 NO
  • 2 NO
  • 4 NC + 4 NO
Switching rating
250 V @ 5 A

250 V @ 5 A

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  • 250 V @ 5 A
  • 42 V @ 0,1 A
Mechanical Characteristics
Terminal
Plug-in terminal, 2.8 x 0.5 mm

Plug-in terminal, 2.8 x 0.5 mm

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  • Plug-in terminal, 2.8 x 0.5 mm
  • Soldering terminal
  • Universal terminal, 2 x 0.5 mm
Switching positions
3 positions

3 positions

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  • 2 positions
  • 3 positions
Switching system
Snap-action switching element

Snap-action switching element

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  • Low-level element
  • Snap-action switching element
Contact material
Gold

Gold

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  • Gold
Switching action
Maintained (a) - Rest (a) - Momentary

Maintained (a) - Rest (a) - Momentary

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  • Maintained (a) - Rest (a) - Maintained (a)
  • Maintained (a) - Rest (a) - Momentary
  • Maintained (a) - Rest - Maintained (a)
  • Maintained - Rest (a) - Maintained
  • Momentary - Rest (a) - Maintained (a)
  • Momentary - Rest (a) - Momentary
  • Rest (a) - Maintained
  • Rest (a) - Maintained (a)
  • Rest (a) - Momentary
  • Rest - Maintained (a)
Switching angle
90° left / 42° right

90° left / 42° right

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  • 42° left / 42° right
  • 42° left / 90° right
  • 42° right
  • 90° left / 42° right
  • 90° left / 90° right
  • 90° right
Ambient Condition
IP front protection
IP65

IP65

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  • IP65
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View detailed product overview
Keylock Switch
Distribution by
Sager
https://sager.eao.com/p/0e1d4c98

Keylock switch, Series 51, Ø 18 mm, Raised, 2 NC + 2 NO, Plug-in terminal, 2.8 x 0.5 mm

  • 51-378.F22D

  • Terminal
  • Front dimension
  • Switching system
  • Switching action
  • Switching rating
  • Front form
  • Switching angle
  • Switching positions
  • Contacts configuration
51-378.F22D
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0 in stock 96.01 USD
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Your product:
51-378.F22D

51-378.F22D

Keylock switch, Series 51, Ø 18 mm, Raised, 2 NC + 2 NO, Plug-in terminal, 2.8 x 0.5 mm

96.01 USD0 in stock
Product range
HMI function:
Keylock switch
Series:
Series 51
Front
Front dimension:
Ø 18 mm
Front form:
Round
Mounting
Design:
Raised
Mounting cut-out:
Ø 16 mm
Mounting type:
Panel mounting
Electrical characteristics
Switching voltage and switching current:
250 VAC, 5 A (cosφ 0.75)
Contacts configuration:
2 NC + 2 NO
Switching rating:
250 V @ 5 A
Thermal current Ith:
5 A, according to EN / IEC 60947-5-1
Mechanical Characteristics
Terminal:
Plug-in terminal, 2.8 x 0.5 mm
Contact material:
Gold
Switching action:
Maintained (a) - Rest (a) - Momentary
Switching system:
Snap-action switching element
Switching positions:
3 positions
Switching angle:
90° left / 42° right
Tightening torque:
Fixing nut max. 0.5 Nm
Total weight:
0.023 kg
Ambient Condition
IP front protection:
IP65
Operating temperature:
– 25 °C … + 55 °C
Other
Wiring diagrams:
Wiring diagrams
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Download files
0 in stock 96.01 USD
Add to Cart
Your product consists of the following 1 COMPONENTS:
51-378.F22D

51-378.F22D

Actuator

96.01 USD0 in stock
Front
Front dimension:
Ø 18 mm
Front form:
Round
Mounting
Design:
Raised
Mounting type:
Panel mounting
Electrical characteristics
Switching voltage and switching current:
250 VAC, 5 A (cosφ 0.75)
Contacts:
2 NC / 2 NO
Switching rating:
250 V @ 5 A
Electric strength:
2500 VAC, 50 Hz, 1 min. between all terminals and earth, according to IEC 61058-1, part 15
Electrostatic discharge (ESD):
≤ 15 KV
Protection class:
ll
Thermal current Ith:
5 A, according to EN / IEC 60947-5-1
Mechanical Characteristics
Terminal:
Plug-in terminal, 2.8 x 0.5 mm
Contact material:
Gold
Switching action:
Maintained (a) - Rest (a) - Momentary
Switching system:
Snap-action switching element
Switching system:
Self-cleaning, double-break snap action switching system, 2 normally closed and 2 normally open contact per element.
Switching positions:
3 positions
Switching angle:
90° left / 42° right
Mechanical lifetime:
50 000 cycles of operation
Tightening torque:
Fixing nut max. 0.5 Nm
Wire cross section:
Max. wire cross-section 2 wires with 1 mm
Max. wire cross-section of stranded cable 2 x 0.75 mm²
Weight:
0.023 kg
Ambient Condition
IP front protection:
IP65, according to DIN EN 60529
Operating temperature:
– 25 °C … + 55 °C
Storage temperature:
– 40 °C … + 85 °C
Certificate
Approbations:
CB (IEC 61058-1), CQC, CSA, DNV, ENEC (EN 61058-1), UL
REACH:
REACH compliant
RoHS:
RoHS compliant
Other
Short Description:
Actuator, Ø 18 mm, Round, 2 NC / 2 NO, Maintained (a) - Rest (a) - Momentary, Plug-in terminal, 2.8 x 0.5 mm, IP65, according to DIN EN 60529
Hints:
Standard lock: DOM 311
Switching positions:
Switching positions
Wiring diagrams:
Wiring diagrams
Mounting cut-outs:
Mounting cut-outs
Dimension drawings:
Dimension drawings
Download files
minimum order quantity 5
0 in stock 96.01 USD
Add to Cart
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