Ex belt alignment switch
Ex ZS 73 SR-3D
Ex zone 22
Metal enclosure
2 contacts
Belt-alignment roller made of stainless steel 1.4301
Belt alignment lever continuously adjustable using a clamp mechanism
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Technical data
General technical data
- Applied standards
- EN 60947-5-1, EN IEC 60079-0, EN 60079-31, EN ISO 13849-1
- Enclosure
- aluminium die-cast, enamel finish
- Cover
- thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
- Sealing
- silicone
- Degree of protection
- IP65/IP67 (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 entry
- 1 x M20 x 1.5
- Clamping range
- 6 … 12 mm
- Rated operating current/voltage Ie/Ue
- 6 A/250 VAC
- Rated insulation voltage Ui
- 250 V
- Conventional thermal current Ithe
- 6 A
- Utilisation category
- AC-15
- Short-circuit protection
- 6 A gG/gN fuse
- Ambient temperature
- –20 °C … +65 °C
- Mechanical life
- > 1 million operations
- Ex marking
- L II 3D Ex tc IIIC T80°C Dc
