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Industry

4D-BZ adapter
The 4D-BZ adapter has been designed to replace the widely installed P16 relays without having to change your installation. The adapter is designed to be plugged in the existing sockets. The adapter is equipped with four coupled D-relays. Application The D-relays are designed for demanding applications such as power utilities and petrochemical industries. The construction of the relay and choice of materials make the D-relay suitable to withstand corrosive atmospheres,…
4D200 Tap Position Indicator (TPI) Display Module
The 4D200 is specifically designed for operation with the RMS type 2V200 TPI to frequency transducer. The 2V200 provides a noise immune interface between the tap changer & the 4D200 via a 0 to 5KHZ frequency signal. Alternatively the 4D200 may be configured to accept a BCD coded input direct from the tap changer or via a voltage to BCD transducer. Where an RMS 2V164 Voltage Regulating Relay is being…
4M200 Test Block system
The 4M200 Test Block system is an evolution of the 14 test circuit versions widely employed in the power utility sector. The primary difference is the incorporation of ‘finger safe’ test sockets which allow the use of shrouded 4mm banana plugs. A number of 4M200 Test Block configurations are available to suit specific protection and control applications as depicted in the wiring diagram examples. The 4M200 Test Block has 14…
4M300 Test Block System
The Test Block type 4M300 comprises fourteen (14) test circuits, each of which is connected to a separate pair of terminals at the rear of the case. During the normal operation of the associated protection equipment, each pair of terminals are connected together by a circuitshorting link. Changing the 4M300 Test Block from the normal service condition to the test condition is described below & depicted in figure 3 in…
4M400 Flexible and high performance test block system
The 4M400 Test Block is an evolution of our popular 4M300 system. The main difference is that each of the fourteen (14) test groups may be specified at time of order to provide automatic CT shorting and sequential circuit to suit specific protection schemes: Stage 1 isolation CT shorting Stage 2 isolation The main advantage of this approach is the improved level of safety and security afforded to the CT…
4M402 Flexible and high performance test block system
The 4M402 Test Block is an evolution of our popular 4M300 system. The main difference is that each of the twenty eight (28) test groups may be specified at time of order to provide automatic CT shorting and sequential circuit isolation to suit specific protection schemes: STAGE I Test Block Cover Extraction Isolation of Type 1 circuits STAGE II Isolation Plug Extraction CT Shorting Automatic shorting of all CT circuits…
6R MATRIX Auxiliary, Trip & Supervision
The 6R MATRIX range has been developed to provide design engineers with a modular system of auxiliary relays to meet a wide variety of system configurations. The 6R MATRIX system provides design engineers a high degree of flexibility to specify a custom relay configuration (Contacts, voltage, function, elements per case etc). Alternatively the 6R MATRIX Pre-defined range is suitable for comparison to industry standard models. Based on our well proven…
6RA20 CT Shorting Relay
The 6RA20 CT Shorting relays are a special derivative of the standard 6R MATRIX auxiliary relay. This model range has been designed specifically for CT shorting. All relay versions are supplied fitted with heavy duty contacts to achieve high voltage isolation across open contacts & high short term carry current. Contacts are constructed from solid silver, shaped & positioned to ensure very reliable, low resistance operation. Over travel of the…
6RM QUAD Four Element Flag Relays
The 6R QUAD range of four element flag relays are particularly suited to transformer protection panel applications where indication & signaling functions are required for events such as: Buchholz Gas Alarm Buchholz Oil Surge Trip Oil Temperature Alarm Oil Temperature Trip Winding Temperature Alarm Winding Temperature Trip (more…)
A031 Protection cover for increased protection
A031 Protection cover for increased protection Ordering code: 501441017
A104 Key receptacle
A104 key receptacle for V series sockets. Suitable for all D, D-U, CU relay series. Weight approx. 1 g. Order number: 378690100
A109 35 mm rail clip
A109 makes relay sockets V10, V11, V12 and V13 suitable for 35mm (DIN) rail mounting. (more…)
A110 relay retaining clip
Suitable for CU-series relays + sockets Ordering code: 329851040
Alligator clamps
Allicator clamps, 2 mm, accesories for multimeter. Order number: 626006002 (red) Order number: 626006003 (black)
Alpha AR High Performance Auxiliary Relays
The Alpha AR Series represents a new generation of electro-mechanical tripping relays for power utility protection and control applications. The AR is built on the Alpha relay platform and provides high performance and reliability while reducing production and supply lead times. Application of the AR auxiliary relays ensures reliable multi-contact operation combined with a high visibility mechanical flag. Five (5) contact version: AR5 Twelve (12) contact version: AR12 2x Five…
Alpha TR High Speed Tripping Relay
The Alpha TR Series represents a new generation of high speed electro-mechanical tripping relays for power utility protection and control applications. The TR is built on the Alpha relay platform and provides high performance and reliability while reducing production and supply lead times. Application of the TR multi-contact high-speed trip relays ensures fast operation of less than 8 ms. The unique patented design and topology ensures minimal contact bounce. (more…)