View component in product
Assembly settings
Front
Front form
Square

Square

choose ...
  • Rectangular
  • Round
  • Square
Front bezel colour
Black

Black

choose ...
  • Black
  • Blue
  • Chrome coloured
  • Colourless
  • Gold
  • Grey
  • Matt grey
  • Nature
  • Olive
  • Red
  • Sand grey
  • Silver
  • White
  • Yellow
Front bezel material
Plastic

Plastic

choose ...
  • Aluminium
  • Metal
  • Plastic
  • Plastic, according to UL 94 V0
  • Stainless steel
  • Stainless steel 304
  • Stainless steel 316
  • Stainless steel 316L
Front dimension
18 mm x 18 mm

18 mm x 18 mm

choose ...
  • 14 mm x 9 mm
  • 18 mm
  • 18 mm x 18 mm
  • 18,4 mm x 18,4 mm
  • 18,8 mm x 18,8 mm
  • 19 mm x 19 mm
  • 20 mm x 23,5 mm
  • 24 mm x 18 mm
  • 24 mm x 23,5 mm
  • 24 mm x 24 mm
  • 26 mm x 26 mm
  • 26,4 mm x 29 mm
  • 29,8 mm x 29,8 mm
  • 30 mm x 24 mm
  • 30 mm x 30 mm
  • 35 mm x 35 mm
  • 36 mm x 24 mm
  • 48 mm x 24 mm
  • 58 mm x 29 mm
  • 58 mm x 30 mm
  • 58 mm x 35 mm
  • 85 mm x 85 mm
  • 9 mm x 9 mm
  • Ø 16 mm
  • Ø 18 mm
  • Ø 18,3 mm
  • Ø 19 mm
  • Ø 22 mm
  • Ø 24 mm
  • Ø 24,5 mm
  • Ø 25 mm
  • Ø 27 mm
  • Ø 29 mm
  • Ø 29,5 mm
  • Ø 30 mm
  • Ø 32 mm
  • Ø 34 mm
  • Ø 34,75 mm
  • Ø 35 mm
  • Ø 37 mm
  • Ø 38 mm
  • Ø 39 mm
  • Ø 40 mm
  • Ø 42 mm
  • Ø 50 mm
  • Ø 60 mm
  • Ø 7 mm
  • Ø 9 mm
  • Ø 9,5 mm
  • Ø 90 mm
Mounting
Design
Raised

Raised

choose ...
  • Flush
  • PCB
  • Raised
Mounting type
Panel mounting

Panel mounting

choose ...
  • For sticking or snapping in place
  • Panel mounting
  • adhesive
  • for snapping in place
  • pole mounting Ø35mm
  • pole mounting Ø38mm
  • wall mounting
Operating-/Indication part
Lens illumination
Illuminated

Illuminated

choose ...
  • Illuminated
  • Non illuminated
  • Optional illuminated
Electrical characteristics
Contacts
1 NC / 1 NO

1 NC / 1 NO

choose ...
  • 1 C
  • 1 NC
  • 1 NC / 1 FS
  • 1 NC / 1 MC
  • 1 NC / 1 NO
  • 1 NC / 2 NO
  • 1 NO
  • 2 C
  • 2 NC
  • 2 NC / 1 NO
  • 2 NC / 2 NO
  • 2 NO
  • 3 NC
  • 3 NC / 3 NO
  • 3 NO
  • 4 NC / 4 NO
Switching rating
250 V @ 3 A

250 V @ 3 A

choose ...
  • 150 V AC/DC @ 3 A
  • 150 V AC/DC @ 5 A
  • 24 V DC @ 0,2 A
  • 240 V
  • 240 V @ 3 A
  • 240 V AC @ 3 A
  • 250 V
  • 250 V @ 10 A
  • 250 V @ 3 A
  • 250 V @ 5 A
  • 250 V AC @ 1,5 A
  • 250 V AC @ 3 A
  • 250 V AC @ 6 A
  • 250 V AC/DC
  • 250 V AC/DC @ 5 A
  • 30 V DC @ 0,1 A
  • 35 V @ 3 A
  • 35 V AC/DC @ 0,5 A
  • 35 V AC/DC @ 0,6 A
  • 36 V AC/DC @ 0,6 A
  • 400 V @ 10 A
  • 42 V
  • 42 V @ 0,1 A
  • 42 V AC @ 0,1 A
  • 42 V AC/DC @ 0,1 A
  • 42 V DC @ 0,1 A
  • 440 V AC @ 10 A
  • 48 V DC @ 0,5 A
  • 5 A
  • 50 V @ 0,1 A
  • 50 V @ 0,8 A
  • 50 V AC/DC @ 0,2 A
  • 50 V AC/DC @ 0,3 A
  • 500 V @ 10 A
  • 500 V AC @ 10 A
  • 500 V AC @ 6 A
  • 600 V AC @ 1,2 A
Mechanical Characteristics
Terminal
Soldering terminal

Soldering terminal

choose ...
  • 1.5 Series AMP Superseal 3 Pin Connector
  • Cable 200 mm
  • Cable 200 mm, 180°
  • Cable 200 mm, 180°, Conntector M12
  • Cable 200 mm, 90°
  • Cable 200 mm, 90°, Connector M12
  • Connector M12
  • Connector M12 (5 pins)
  • Double plug-in terminal, 6.3 x 0.8 mm
  • Flat ribbon cable
  • Flat ribbon cable 300 mm
  • PCB terminal
  • Plug-in terminal
  • Plug-in terminal, 2 x 0.5 mm
  • Plug-in terminal, 2.8 x 0.5 mm
  • Plug-in terminal, 2.8 x 0.8 mm
  • Plug-in terminal, 6.3 x 0.8 mm
  • Push-in terminal
  • Ring cable lug screw terminal
  • Screw terminal
  • Soldering terminal
  • Soldering terminal, 2.8 x 0.5 mm
  • Spring-type terminal
  • USB 3.0 socket type A-A
  • USB 3.0 socket type C-A
  • Universal soldering terminal
  • Universal terminal, 2 x 0.5 mm
Switching system
Snap-action switching element

Snap-action switching element

choose ...
  • Capacitive
  • Low-level element
  • Short-travel element
  • Slow-make switching element
  • Snap-action switching element
Contact material
Gold

Gold

choose ...
  • Gold
  • Gold-plated silver
  • Palladium
  • Rhodium/Silver
  • Silver
Switching action
Momentary

Momentary

choose ...
  • Maintained
  • Maintained (a) - Maintained
  • Maintained (a) - Rest (a) - Maintained
  • Maintained (a) - Rest (a) - Maintained (a)
  • Maintained (a) - Rest (a) - Momentary
  • Maintained (a) - Rest - Maintained
  • Maintained (a) - Rest - Maintained (a)
  • Maintained (a) - Rest - Momentary
  • Maintained - Maintained
  • Maintained - Maintained - Maintained - Maintained
  • Maintained - Maintained - Maintained - Momentary
  • Maintained - Maintained - Momentary - Momentary
  • Maintained - Momentary
  • Maintained - Momentary - Momentary - Momentary
  • Maintained - Rest
  • Maintained - Rest (a)
  • Maintained - Rest (a) - Maintained
  • Maintained - Rest (a) - Maintained (a)
  • Maintained - Rest (a) - Momentary
  • Maintained - Rest - Maintained
  • Maintained - Rest - Maintained (a)
  • Maintained - Rest - Momentary
  • Maintained or momentary
  • Momentary
  • Momentary - Rest
  • Momentary - Rest (a) - Maintained
  • Momentary - Rest (a) - Maintained (a)
  • Momentary - Rest (a) - Momentary
  • Momentary - Rest - Maintained
  • Momentary - Rest - Momentary
  • Momentary / maintained
  • Rest (a) - Maintained
  • Rest (a) - Maintained (a)
  • Rest (a) - Momentary
  • Rest - Maintained
  • Rest - Maintained (a)
  • Rest - Maintained - Maintained - Maintained - Maintained
  • Rest - Momentary
Ambient Condition
IP front protection
IP65, according to DIN EN 60529

IP65, according to DIN EN 60529

choose ...
  • IP20
  • IP20 / IP66 with cap closed (IEC-EN60529)
  • IP40
  • IP40, according to IEC 60529
  • IP44
  • IP65
  • IP65, IP66
  • IP65, IP66, IP67, according to DIN EN 60529
  • IP65, IP67
  • IP65, according to DIN EN 60529
  • IP66
  • IP66, IP67, IP69K
  • IP67
  • IP67 (ISO 20653)
  • IP67, according to DIN EN 60529
  • IP67, according to IEC 60529
  • IP69K
Other
Internal size
15,3 mm x 15,3 mm

15,3 mm x 15,3 mm

choose ...
  • 12,5 mm x 7,5 mm
  • 13,8 mm x 13,8 mm
  • 15,3 mm x 15,3 mm
  • 18 mm x 18 mm
  • 20 mm x 20 mm
  • 21,5 mm x 15,3 mm
  • 24 mm x 18 mm
  • 24 mm x 24 mm
  • 30 mm x 24 mm
  • 7,3 mm x 7,3 mm
  • Ø 13,8 mm
  • Ø 15,8 mm
  • Ø 16 mm
  • Ø 16,2 mm
  • Ø 18 mm
  • Ø 19 mm
  • Ø 19,7 mm
  • Ø 20 mm
  • Ø 22 mm
  • Ø 22,5 mm
  • Ø 40 mm
  • Ø 7,3 mm
  • Ø 7,5 mm
Back
View detailed product overview
https://www.eao.com/component/51-151.0252/en/...

Actuator

  • 51-151.0252

51-151.0252 Actuator, 18 mm x 18 mm, Illuminated, Square, Black, Plastic, 1 NC / 1 NO, Momentary, Soldering terminal, IP65, according to DIN EN 60529
51-151.0252
Add to Cart
Your product:
51-151.0252

51-151.0252

Actuator

Front
Front dimension:
18 mm x 18 mm
Front form:
Square
Front bezel colour:
Black
Front bezel material:
Plastic
Mounting
Design:
Raised
Mounting type:
Panel mounting
Operating-/Indication part
Lens illumination:
Illuminated
Electrical characteristics
Switching voltage and switching current:

250 VAC, 5 A (ohmic)

250 VAC, 3 A (Soldering terminal)

250 VAC, 2 A (inductive, cos(phi) = 0.7)

125 VAC, 3 A (inductive, cos(phi) = 0.7)

220 VDC, 0.1 A (inductive, L:R = 30 ms)

110 VDC, 0.2 A (inductive, L:R = 30 ms)

60 VDC, 0.7 A (inductive, L:R = 30 ms)

24 VDC, 2 A (inductive, L:R = 30 ms)
Contacts:
1 NC / 1 NO
Rated Operational Voltage Ue:
250 VAC/DC according to EN IEC 60947-1
Switching rating:
250 V @ 3 A
Electrical lifetime:
50 000 cycles of operation
Electric strength:
2500 VAC, 50 Hz, 1 min. between all terminals and earth, according to IEC 61058-1, part 15
Protection class:
ll
Standards:
According to EN/IEC 61058-1
Thermal current Ith:
The maximum current in continuous operation and at ambient temperature not exceeding the quoted maximum values.
3 A
Mechanical Characteristics
Terminal:
Soldering terminal
Contact material:
Gold
Switching action:
Momentary
Switching system:
Snap-action switching element
Switching system:
Self-cleaning, double-break snap action switching system, 1 normally closed and 1 normally open contact per element.
Mechanical lifetime:
2 Mil. cycles of operation
Operating force:
1,8 … 6 N, depending on the number of switching elements
Operating Travel:
3 mm
Tightening torque:
Fixing nut max. 0.5 Nm
Wire cross section:
Snap-action switching element with tinned soldering terminals at the sides
Max. wire diameter 2 wires à 1.2 mm
Max. wire cross-section of stranded cable 1 x 1 mm²
Weight:
0.006 kg
Ambient Condition
IP front protection:
IP65, according to DIN EN 60529
Operating temperature:
– 25 °C … + 55 °C, mounted as a block, make sure the heat can escape freely
Storage temperature:
– 40 °C … + 85 °C
Shock resistance:
15 g for 11 ms, as per DIN / EN 60512-4-3, DIN / EN 60068-2-27 (Single impacts, semi-sinusoidal)
Vibration resistance:
10 g at 10 Hz…1500 Hz, amplitude 0.75 mm (Sinusoidal), according to DIN EN 60512-4-4, DIN EN 60068-2-6
Climate resistance:
Standard condition, as per DIN EN 60068-2-30
Changing condition, as per DIN EN 60068-2-14
Certificate
Approbations:
CB (IEC 61058-1), CQC, CSA, DNV, EAC, ENEC (EN 61058-1), UL, VDE
Conformities:
CE, UKCA, 2011 / 65 / EC (RoHS), 2014 / 30 / EU (EMC), 2014 / 35 / EU (LVD)
REACH:
REACH compliant
RoHS:
RoHS compliant
Other
Short Description:
Actuator, 18 mm x 18 mm, Illuminated, Square, Black, Plastic, 1 NC / 1 NO, Momentary, Soldering terminal, IP65, according to DIN EN 60529
Internal size:
15,3 mm x 15,3 mm
Housing colour:
Black
Wiring diagrams:
Wiring diagrams
Mounting cut-outs:
Mounting cut-outs
Dimension drawings:
Dimension drawings
A = Solder terminal
B = Plug-in terminal 2.8 mm x 0.5 mm
C = Universal terminal 2.0 mm x 0.5 mm
D = Universal-Solder terminal
Download files
Add to Cart
Cookie consent
Our website uses cookies. For more information about cookies on this website, please see our Privacy Policy and learn more about us in the Legal Notice. You may change the setting in the Privacy Policy.
Accept all
Reject non-required
Manage Settings