Helvar 458 MX Chassis: Installation Guide
Doc. 7860213, issue 07
2015-01-14
11
Helvar
| Data is subject to change without notice.
www.helvar.com
10
Dimensions: Case (mm)
Technical Data
178
362
37
137
317
355
273
178
753
37
705
273
458M1
458M2
458M3
Connections
Mains supply:
230 VAC / 400 VAC
Supply protection:
External MCB or fuse
458M1, 458M2, 458M3: 63 A (max.)
for each position
Single phase use: 125 A (max.)
Note: Supplying multiple blocks of
MCBs on the same phase requires
this limit because of the neutral
connection.
Rated ≤ 17 kA to meet
EN 61439-2
Load protection:
MCB type C 10 kA. Rating as
specified for individual units.
SDIM cable loom:
An SDIM cable loom is attached to
the DIN-rail inside the chassis.
This can be connected to the SDIM
terminals of the module(s), to
enable connection of the module(s)
to a Helvar Imagine system.
Installation
Mounting:
Vertically wall mounted: 4.5 mm
mounting holes.
Use No. 8 or No. 10 screws with
head diameter of 6 mm to 9 mm.
Mechanical Data
Dimensions:
See diagrams.
Weight:
458MI:
5.9 kg (458M1 including 9 MCBs)
458M2:
12.2 kg (458M2 including 18 MCBs)
458M3:
18 kg (458M3 including 27 MCBs)
Operating Conditions
Ambient temperature:
0 °C to +40 °C
Relative humidity:
Max. 90 %, noncondensing
Storage temperature:
–10 °C to +70 °C
Conformity and Standards
Safety:
EN 61439-2
Environment:
Complies with WEEE and RoHS
directives
Connection
Cable type (Cu)
Strip length
Mains supply: 458M1
Up to 16 mm²
16 mm – 17 mm (N); 12-13 (E)
Mains supply: 458M2
6 mm² – 35 mm²
12 mm – 14 mm (N), 17 (E)
Mains supply: 458M3
6 mm² – 35 mm²
12 mm – 14 mm (N), 17 (E)
Channel outputs:
Solid core: 0.25 mm² – 4 mm²;
Stranded: 0.25 mm² to 2.5 mm²
10 mm – 12 mm
SDIM / DMX
Low-loss 300 V RS485 type;
Multistranded, twisted and shielded;
3- or 4-core plus screen;
Max. length: 1000 m
0.22 mm² – 1.5 mm²
Recommended: two twisted
pairs (overall screened),
e.g. Belden 8102 CM.
Cable Requirements