L3692
Tmax T8
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Doc N°
Mod.
Apparatus
Scale
Page N°
1SDH000682R0002
L3885
L5757
11. Protection releases - References
The Tmax T8 circuit-breaker can be accessorized with PR232 - PR331 - PR332 protection releases.
The following modules are available: PR330/V-T8, PR330/D-M, PR330/R, BT030.
Details about the operation of the relays are given in the following documents:
1SDH000587R0001 Operating instructions for the protection releases of T7-T8-X1 circuit-breakers
1SDH000591R0001 PR232/P-T8 Getting started
1SDH000592R0001 PR331 Getting started
1SDH000593R0001 PR332/PR333 Getting started
1SDH000650R0501 ABB SACE PR232/P-T8 microprocessor-based electronic release
1SDH000650R0502 ABB SACE PR331 T8 microprocessor-based electronic release
1SDH000650R0503 ABB SACE PR332 T8 microprocessor-based electronic release
11.1 Safety notes
WARNING
: this symbol highlights information about operations, actions or circumstances that can cause injuries to the personnel,
damage to the unit or economic losses.
Read this manual, the specifi c manuals of the electronic releases and the getting started manuals carefully and fully.
This device must only be used by qualifi ed and expert personnel.
Ifb there are doubts about whether it can be used safely, the unit must be put out of service to prevent it from being used accidentally.
You must assume that the device is not safe to use if:
1. The unit shows visible signs of damage.
2. The unit does not function (e.g. with autotest or with the trip test unit).
3. The unit has been damaged during transport.
The circuit-breaker must be open before any servicing or replacements are made.
Also remember to disconnect any power supplies connected.
11.1.1. Notes for dielectric strength tests
it is forbidden to perform dielectric strength tests on the inputs and outputs of the releases.
11.2 General characteristics
The following table clearly illustrates the technical characteristics and the mix-and-matchability of the three relays.
Key:
S
: standard function/unit,
O
: optional function/unit,
-
: function/unit unavailable.
Function/Unit
PR232 PR331
PR332
Current protections
(L, S, I, G)
S
(1)
S
S
Additional protections
(U, OT)
- - S
Voltage protections
(UV, OV, RV, RP, UF, OF)
-
-
S
(4)
Temperature protection
-
-
S
MCR protection
- - S
Thermal memory
S S
S
Local bus for external accessory units
-
S
S
Wired communication
(RS485)
-
-
S
(3)
Radio communication
(wireless Bluetooth)
S
(2)
S
(2)
S
(2)
Data Logger
- - S
Compatibility with SD-Testbus
S
S
S
Compatibility with PR010/T
S
S
S
PR330/V Measuring
(Internal voltage module)
-
-
O
PR330/D-M Com
(Internal communication module)
-
-
O
Residual current protection
-
-
O
PR021/K
(Separate signalling unit)
-
O
O
HMI030
(Separate graphic interface)
-
O
O
PR030/B
(Separate power supply unit)
O
O
S
BT030
(Separate Bluetooth communication unit)
O
O
O
Notes:
1.
: function G is not available
2.
: with separate BT030 unit (for temporary connection),
3.
: with PR330/D-M module,
4.
: with PR330/V module.
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