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3.3.4. Accessories
A set of modules adds optional functions to the basic version:
- PR330/V: supplied as part of the standard equipment with PR333/P and as an optional with PR332/P, this module allows the
primary voltage values to be read and provides energy for powering the protection release even in the absence of external Vaux,
nil current or CB open.
- PR330/D-M: allows the protection release to be connected to a communication network for CB reading and operation even
from remote locations. The module also allows the state of the springs and the CB position (in the case of a withdrawable CB) to
be read, and the opening and closing coils to be remote controlled.
A set of accessories adds optional functions to the basic version.
- External neutral, current sensor for protecting the external neutral pole (can only be configured for three-pole circuit-breakers).
- Single-pole sensor for the earth conductor of the main power source (sensor SGR) which, in conjunction with the configuration
of protection Gext, adds to the earth fault protection functions.
- External residual current sensor (sensor Rc), which activates residual current protection Rc.
- PR030/B allows the protection release to be temporarily energized so as to view its state (via the LEDs) and perform installation.
- BT030-USB allows temporary energizing and communication of the protection release for the purpose of supervising, via a PC,
information like the Trip log and measurements, and for adjusting settings and functions that are not available using the front dip
switches, such as the Thermal Memory.
- PR010/T allows the protection release to be temporarily energized, protection testing and storage of a test report.
- Similarly to BT030-USB, Ekip T&P can be used to temporarily energize and communicate the protection release via PC. Like
PR010/T, it also allows the protection release to be tested, again via PC.
- The HMI030 switchgear display expands the monitoring functions of the protection release by displaying the current measure-
ments of all the phases in real time.
- Flex Interface modules allow the alarm or state signals of the protection release to be associated with configurable electro-
mechanical contacts. In addition, they allow a complete network of several units to be created and can also be connected to
external modules (e.g. HMI030).
- Ekip Connect is a communication software for PCs or tablets. Compatible with numerous ABB devices, it is supplied with
BT030-USB and Ekip T&P modules or is available on the ABB website.
More details are given from page 63 of chapter 4, or in the dedicated manuals.
3.3.5. CB compatibility
PR332/P can be installed in ABB circuit-breakers of the three-pole, three-pole with external neutral or four-pole type from the
SACE Tmax T7-T8 or SACE Emax X1 series.
PR333/P can be installed in ABB circuit-breakers of the three-pole, three-pole with external neutral or four-pole type from the
SACE Emax X1 series.
The CB model establishes the rated uninterrupted current the circuit-breaker is able to support (lu).
The adjustable protections refer to size In, defined by the interchangeable Rating plug module, installed in the actual protection
release.
3.3.6. Standards
PR332/P and PR333/P have been designed to operate in accordance with the following international standards:
- IEC 60947-2 Low voltage apparatus. Circuit-breakers. (T7-T8, X1)
- UL 489 Molded-Case Circuit Breaker, Molded-Case Switches and Circuit-Breaker Enclosures(T7-T8)
- UL 1066 Low Voltage Power Circuit Breaker (X1)
3.3.7. Environmental characteristics
Operating temperature (Standard version)
-25°C ... +70°C
Storage temperature
-40°C ... +70°C
Relative humidity
0% ... 98% with condensation
Degree of protection (with protection release installed in the CB).
IP 30
B1751
