Page 48 - hensel-KV-series-load-centres
P. 48
KV Small-type distribution boards
Technical details
Operating and ambient conditions KV Small-type distribution boards Cable entry systems
Service KV Small-type Empty boxes ESM ..., AVS 16
distribution
boards EVS 16
Application area IP 54/65 design:
Suitable for indoor installation - normal environment and/or protected outdoor -
Resistant to occasional cleaning procedures (direct jet)
DK max. with high-pressure cleaner without additives
water pressure: max. 65 bar, water temperature: max. 50° C, distance ≥ 0.5 m
box and cable entries at least IP 65
Ambient temperature
- Average value over 24 hours + 35° C – + 35° C + 55° C
- Maximum value + 40° C + 60° C + 40° C + 70° C
- Minimum value − 25° C − 40° C − 25° C − 40° C
KV Relative humidity 50% at 40° C — — —
- short-time 100% at 25° C — — —
Fire protection Demands
in the case of internal faults placed on electrical devices from standards and laws
governing operational equipment
Minimum requirements
- Glow wire test in accordance with IEC 60 695-2-11:
- 650° C for boxes and cable glands
- 850° C for parts of insulating material necessary to retain
current carrying parts in position
Burning behaviour
- Glow wire test IEC 60 695-2-11 750° C 750° C 750° C 750° C
- UL Subject 94 V-2 V-2 − V-2
flame-retardant flame-retardant flame-retardant flame-retardant
self-extinguishing self-extinguishing self-extinguishing self-extinguishing
Degree of protection
against mechanical load IK08 (5 Joule) IK08 (5 Joule) – –
Toxic behaviour halogen-free halogen-free halogen-free
silicone-free silicone-free silicone-free
“Halogen-free” in accordance with IEC 754-2 “Common test methods for cables - Determination of
the amount of halogen acid gas”.
To material properties see technical data.
160