Emergency pull-wire switch
ZS 80 KST Niro Extreme
Pull-wire unit and screws made of stainless steel (NIRO)
High degree of protection IP67
Suitable for the food processing industry
Thermoplastic enclosure
Position indicator and integrated emergency-stop push button
Wire length up to 100 m
Spring force variant: 100 N
Lever for release and position indication
Watertight collar
Wire pull and breakage detection
Attention: Please state required international approvals with your order!
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Technical data
General technical data
- Applied standards
- EN 60947-5-1, EN 60947-5-5, EN ISO 13850, EN ISO 13849-1
- Enclosure
- thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
- Cover
- thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
- Tightening torque
- cover screws: 1.8 Nm
- Degree of protection
- IP67 (IEC/EN 60529)
- B10d (10 % load)
- 200 000
- TM
- max. 20 years
- Contact material
- silver
- Switching elements
- 2 NC/2 NO, 3 NC/1 NO or 4 NC contacts, type Zb
- Switching system
- slow action, positive break NC contacts A
- Connection
- 2 x 4 pole terminal block
- Cable cross-section
- max. 2.5 mm² (incl. conductor ferrules)
- Cable entry
- 3 x M20 x 1.5 (for cable glands only) (press-out blanks in enclosure)
- Rated impulse withstand voltage Uimp
- 2.5 kV
- Rated insulation voltage Ui
- 250 V
- Conventional thermal current Ithe
- 2 A
- Utilisation category
- AC-15; DC-13
- Rated operating current/voltage Ie/Ue
- 2 A/250 VAC; 0.25 A/230 VDC; 2 A/24 VDC
- Short-circuit protection
- 2 A gG/gN fuse
- Ambient temperature
- –25 °C … +70 °C
- Mechanical life
- > 100 000 operations
- Max. wire length
- 100 m
- Note
- At 5 m distance intermediate wire supports are required. One wire thimble is provided.
- Approvals
- a d
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