Position switch with safety function
ES 51 WK 1Ö/1S
Article no.: 1047012Old article no.: 51008001
Product features
Metal enclosure
1 cable entry M16 x 1.5
Actuator: Cap with collar WK
Large actuating surface
Safe switching even with imprecise actuation
Suitable for manual actuation
Watertight collar for protection against penetration of dirt
Technical data
General technical data
- Applied standards
- EN ISO 13849-1, EN 60947-5-1, EN ISO 14119
- Enclosure
- aluminium die-cast, powder-coated, RAL 7016
- Cover
- steel, powder-coated, RAL 1003
- Switch type
- type 1
- Coding level
- no coding
- Degree of protection
- IP65 (IEC/EN 60529)
- B10d (10 % load)
- 2 million
- TM
- max. 20 years
- Contact material
- silver
- Switching system
- slow action, positive break NC contacts A
- Switching elements
- 1 NC/1 NO contact, type Zb
- Connection
- screw connection terminals
- Cable cross-section
- max. 1.5 mm² (incl. conductor ferrules)
- Cable entry
- 1 x M16 x 1.5 (for cable glands only)
- Rated impulse withstand voltage Uimp
- 4 kV
- Rated insulation voltage Ui
- 400 V
- Conventional thermal current Ithe
- 4 A
- Utilisation category
- AC-15
- Rated operating current/voltage Ie/Ue
- 4 A/400 VAC
- Short-circuit protection
- 4 A gG fuse
- Mechanical life
- > 1 million operations
- Operation cycles
- max. 3600/h
- Ambient temperature
- –20 °C … +80 °C
- Repeat accuracy of switching points
- ± 0.1 mm
- Approvals
- a
- Weight
- 130 g
Dimensional drawing
Further drawings
Contact diagram
Switching diagram
T Positive break travel/angle
Downloads
Variants / Options
The following variants / options are available on request:
Gold-plated contacts
Plug-in connector M12 x 1, 5-pole
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Position switch with safety function
ES 51 WK 1Ö/1SArticle no.: 1047012Old article no.: 51008001
