Assembly settings
Product range
Immediately available
Yes
yes
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Front
Front form
Round
Round
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Front dimension
Ø 24,5 mm
Ø 24,5 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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Operating-/Indication part
Lens shape
Mushroom-head
Mushroom-head
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Lens colour
Red
Red
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Lens material
Plastic
Plastic
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Lens illumination
Non illuminated
Non illuminated
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Electrical characteristics
Contacts configuration
2 NC + 2 NO
2 NC + 2 NO
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Switching rating
250 V @ 5 A
250 V @ 5 A
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Mechanical Characteristics
Release type
Twist to unlock
Twist to unlock
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Terminal
Soldering terminal
Soldering terminal
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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
Maintained
Maintained
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Ambient Condition
IP front protection
IP65
IP65
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Back
Stop switch, Series 51, Ø 24,5 mm, Raised, 2 NC + 2 NO, IP65, Soldering terminal
- 51-259.025
- Lens colour
- Switching rating
- Terminal
- Switching system
- Contacts configuration
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Your product:
Product range
- HMI function:
- Stop switch
- Series:
- Series 51
Front
- Front dimension:
- Ø 24,5 mm
- Front form:
- Round
Mounting
- Design:
- Raised
- Mounting cut-out:
- Ø 16 mm
- Mounting type:
- Panel mounting
Operating-/Indication part
- Lens colour:
- Red
- Lens material:
- Plastic
- Lens illumination:
- Non illuminated
- Lens shape:
- Mushroom-head
- Lens optics:
- opaque
Electrical characteristics
- Switching voltage and switching current:
250 VAC, 5 A (ohmic)
24 VDC, 2 A (inductive, L:R = 30 ms)
- Contacts configuration:
- 2 NC + 2 NO
- Switching rating:
- 250 V @ 5 A
Mechanical Characteristics
- Terminal:
- Soldering terminal
- Contact material:
- Gold
- Switching action:
- Maintained
- Switching system:
- Snap-action switching element
- Release type:
- Twist to unlock
- Tightening torque:
- Fixing nut max. 0.5 Nm
- Total weight:
- 0.011 kg
Ambient Condition
- IP front protection:
- IP65
- Operating temperature:
- – 25 °C … + 55 °C
Other
- Housing colour:
- Black
- Wiring diagrams:
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Your product consists of the following 1 COMPONENTS:
Front
- Front dimension:
- Ø 24,5 mm
- Front form:
- Round
Mounting
- Design:
- Raised
- Mounting type:
- Panel mounting
Operating-/Indication part
- Lens colour:
- Red
- Lens material:
- Plastic
- Lens illumination:
- Non illuminated
- Lens shape:
- Mushroom-head
- Lens optics:
- opaque
Electrical characteristics
- Switching voltage and switching current:
250 VAC, 5 A (ohmic)
24 VDC, 2 A (inductive, L:R = 30 ms)
- Contacts:
- 2 NC / 2 NO
- Switching rating:
- 250 V @ 5 A
Mechanical Characteristics
- Terminal:
- Soldering terminal
- Contact material:
- Gold
- Switching action:
- 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.
- Release type:
- Twist to unlock
- Mechanical lifetime:
- 100 000 cycles of operation
- Operating force:
- 18 … 21 N (depending on the switching element)
- Tightening torque:
- Fixing nut max. 0.5 Nm
- Weight:
- 0.015 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), CSA, ENEC (EN 61058-1), UL
- Conformities:
- CE, UKCA, 2006 / 42 / EC (MD), 2011 / 65 / EC (RoHS)
- REACH:
- REACH compliant
- RoHS:
- RoHS compliant
Other
- Short Description:
- Actuator, Ø 24,5 mm, Mushroom-head, Non illuminated, Red, Plastic, opaque, Round, 2 NC / 2 NO, Maintained, Soldering terminal, IP65, according to DIN EN 60529, Twist to unlock
- Housing colour:
- Black
- Hints:
- Marking arrows
- 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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