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Chapter 6: Cautions regarding Explosion-Proof Models
[15. KOSHA flameproof (Main unit model number “H”)]
KOSHA Flameproof
Marking information
Ex d IIC T6 −40°C ≤ Tamb ≤ +75°C
13-AV4BO-0539
Instruction for safe use
• It should be ensured that the supply wires are suitable for 5°C above surrounding atmospheres.
• External grounding connection facility:
- The cable lug should be used so that the conductor with a cross-sectional area of at least 4mm
2
is secured against loosing and twisting and that the contact pressure is permanently secured.
- The cable lug should be between the flat washers.
• The gap between the rotary shaft and bearing is max. 0.055mm.
• The gap between the enclosure and the sensor housing is max. 0.113mm.