Assembly settings
Product range
Immediately available
Yes
yes
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Front
Front form
Round
Round
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Front dimension
Ø 18 mm
Ø 18 mm
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Mounting
Design
Raised
Raised
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Mounting type
Panel mounting
Panel mounting
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Mounting cut-out
Ø 16 mm
Ø 16 mm
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Electrical characteristics
Contacts configuration
1 NC + 1 NO
1 NC + 1 NO
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Switching rating
250 V @ 5 A
250 V @ 5 A
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Mechanical Characteristics
Terminal
Soldering terminal
Soldering terminal
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Switching positions
2 positions
2 positions
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Switching system
Snap-action switching element
Snap-action switching element
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Contact material
Gold
Gold
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Switching action
Rest (a) - Maintained
Rest (a) - Maintained
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Switching angle
90° right
90° right
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Ambient Condition
IP front protection
IP65
IP65
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Back
Keylock switch, Series 51, Ø 18 mm, Raised, 1 NC + 1 NO, Soldering terminal
- 51-235.025D2
- Switching action
- Front form
- Front dimension
- Switching rating
- Switching positions
- Terminal
- Switching system
- Switching angle
- Contacts configuration
Add Accessories & Tools
Your product:
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 (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 configuration:
- 1 NC + 1 NO
- Switching rating:
- 250 V @ 5 A
- Electrical lifetime:
- 50 000 cycles of operation
- Thermal current Ith:
- 5 A, according to EN / IEC 60947-5-1The maximum current in continuous operation and at ambient temperature not exceeding the quoted maximum values.
Mechanical Characteristics
- Terminal:
- Soldering terminal
- Contact material:
- Gold
- Switching action:
- Rest (a) - Maintained
- Switching system:
- Snap-action switching element
- Switching positions:
- 2 positions
- Switching angle:
- 90° right
- Tightening torque:
- Fixing nut max. 0.5 Nm
- Total weight:
- 0.017 kg
Ambient Condition
- IP front protection:
- IP65
- Operating temperature:
- – 25 °C … + 55 °C
- 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
Other
- Housing colour:
- Black
- max. number of switching elements:
- 4
- Wiring diagrams:
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Your product consists of the following 1 COMPONENTS:
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 (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 @ 5 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:
- 5 A, according to EN / IEC 60947-5-1The maximum current in continuous operation and at ambient temperature not exceeding the quoted maximum values.
Mechanical Characteristics
- Terminal:
- Soldering terminal
- Contact material:
- Gold
- Switching action:
- Rest (a) - Maintained
- 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.
- Switching positions:
- 2 positions
- Switching angle:
- 90° right
- Mechanical lifetime:
- 50 000 cycles of operation
- Operating force:
- 1,8 … 6 N, depending on the number of switching elements
- Tightening torque:
- Fixing nut max. 0.5 Nm
- Wire cross section:
- Snap-action switching element with tinned soldering terminals at the sidesMax. wire diameter 2 wires à 1.2 mmMax. wire cross-section of stranded cable 1 x 1 mm²
- Weight:
- 0.017 kg
Ambient Condition
- IP front protection:
- IP65, according to DIN EN 60529
- Operating temperature:
- – 25 °C … + 55 °C
- 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 60068-2-30Changing condition, as per DIN EN 60068-2-14
Certificate
- Approbations:
- CB (IEC 61058-1), CQC, CSA, DNV, ENEC (EN 61058-1), UL
- 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, Ø 18 mm, Round, 1 NC / 1 NO, Rest (a) - Maintained, Soldering terminal, IP65, according to DIN EN 60529
- Housing colour:
- Black
- Hints:
- Standard lock: DOM 311
- max. number of switching elements:
- 4
- Switching positions:
- Wiring diagrams:
- Mounting cut-outs:
- 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
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