General Data - Mettler Toledo Fieldbus Guide Rapide

3 General Data
Mechanical
Housing:
Protection class:
Dimensions
Electrical Characteristics
Power supply:
Power consumption:
Protective earth:
EMC Compliance
CE-mark:
Emission:
Immunity:
UL/c-UL Compliance
This unit is open type listed by the Underwriters Laboratories. The certificate is valid when the unit is
installed in a switch cabinet or equivalent. The certification has been documented by UL in file
E 214107.
4 Additional Installation and Operating Instructions
Maximal ambient temperature: 55°C (for Hazloc environments)
Field wiring terminal markings (wire type [Cu only, 14-30 AWG]).
Use 60/75 or 75°C copper (Cu) wire only.
Terminal tightening torque must be between 5-7 lb-in (0.5-0.8 Nm).
Use in overvoltage category 1 pollution degree 2 environment. Installed in an enclosure considered
representative of the intended use. Secondary circuit intended to be supplied from an isolating source
and protected by overcurrent protective devices installed in the field sized per the following:
Control-circuit wire size
AWG
22
20
18
16
14
12
2

General Data

Plastic housing with snap-on connection to DIN-Rail
IP20
120 mm x 75 mm x 27 mm (L x W x H: 4.72" x 2.95" x 1.06")
24 V ± 10 %
Maximum power consumption is 280 mA on 24 V, typically 100 mA
Internal connection to PE via DIN rail
Certified according to European standards unless otherwise stated.
According to EN 50082-2:1993
According to EN 61000-6-2:1999
Maximum protective device rating
2
(mm ) Amperes
(0.32) 3
(0.52) 5
(0.82) 7
(1.3) 10
(2.1) 20
(3.3) 25