ABB T 450 DU V1000 Instrucciones De Servicio página 7

E
Operating instructions
According to IEC/EN 60 ... 947-1/-4-1/-5-1 for low-voltage
switchgear,
Directive 94/9/EG for explosion-protected areas,
EN 60079-14 for electrical equipment for gas
explosion endangered areas
(2) G
II
Table of contents
Safety instructions .............................................. 7
Technical data ..................................................... 8
General description ............................................ 9
Transport, storage ............................................... 9
Installation ........................................................... 9
Test before commissioning ................................. 9
Operation ............................................................ 9
Example of the suitability of an overload relay .. 10
Dimensions ....................................................... 10
Approvals and authorizations ............................ 10
Tripping characteristics .................................... 31
7
Low-voltage switchgear
Thermal overload relay
T 450 DU V1000
Safety instructions
! The overload relay T 450 DU in the design
V1000 is suitable for the protection of motors
of the protective system EEx e. It has been
checked and certified by the Physikalisch
Technische Bundesanstalt (PTB) in Braun-
schweig.
! Mounting and installation may only be done
by trained technical personnel, who observe
the relevant regulations!
! Insufficiently tightened locking screws lead to
an inadmissible rise in temperature!
! The device may only be opened by technical
personnel authorized by the manufacturer.
Non-observance results in the expiry of all
warranty claims!