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Industry

2V68-S BUS Bar CT Supervision & Shorting
The 2V68 is a three phase monitoring device designed to provide continuous supervision of the CT circuits in high impedance differential protection schemes. The relay will detect open circuit conditions in the CT summation wiring and open circuited main current transformers. (more…)
2V73 High Impedance Differential Relay
The 2V73 relay provides high speed differential protection for various items of power system plant including generators, busbars, motors & the individual windings of power transformers. The 2V73 is also suitable for restricted earth fault applications. The relay measuring element is basically an attracted armature unit of simple & rugged construction powered from a bridge rectifier. Each phase of the relay can be set from 25 to 325V AC in…
2V75 Metrosil / Resistor Module
The 2V75 Module provides a compact, simple & cost effective means of fitting a pre-wired three phase Metrosil & stabilizing resistor combination into protection panels employing high impedance differential schemes. Mounting is achieved by first fitting a special panel to the front of the cubicle. This panel is suitable for 19 inch rack or flush mounting. The separate three phase Metrosil module is then installed from the rear of the…
3-fase adapter
To measure the actual leakage current of 3-phase equipment in combination with a leakage current clamp. Article numbers: 626000817 (16 A) 626000818 (32 A) 626000831 (63 A)
3-phase adapter 3PNA16
General: 3-phase adapter suitable for testing devices with 3 phases, zero and earth 16 A connection in combination with a Nieaf-Smitt device tester. The following variants are available: 1PNA16 adapter cord 1-phase 16 A CEE connection 1PNA32 adapter cord 1-phase 32 A CEE connection 3PA16 adapter cord 3-phase 16 A CEE connection (phase + earth) 3PA32 adapter cord 3-phase 32 A CEE connection (3-phase + earth) 3PA63 adapter cord 3-phase…
3-phase leakage current adapter 16 A
The 3-phase test adapter is an accessory for the EazyPAT 3140 series and SafetyPAT 3140 device testers with which a protective conductor resistance and actual leakage current can be measured with 3-phase equipment. The adapter is available with a 16 A or 32 A connection, 3 phases + zero + ground. Ordering code: 626000750
3-phase leakage current adapter 32 A
The 3-phase test adapter is an accessory for the EazyPAT 3140 series and SafetyPAT 3140 device testers with which a protective conductor resistance and actual leakage current can be measured with 3-phase equipment. The adapter is available with a 16 A or 32 A connection, 3 phases + zero + ground. Ordering code: 626000749
3-phases adapter
3-fase adapter for 16 A, with option switch Ordering code: 626000634
3-wire ground test set
3-wire ground test set (for Instaltest AT&XE , test leads 20 meters & earth pins) Ordering code: 626001015
3-wire ground test set
3-wire ground test set (for installation test AT & XE, test leads 50 meters & ground pins) Ordering code: 626001016
3A20 Pilot Wire Intertrip Send & Receive Relays
The operating element of the 3A20 Series is based on the well proven 6R heavy duty attracted armature control relay. The DC version of this relay is inherently immune to AC voltages & the addition of an AC filter circuit & copper shield over the core of the receive relay greatly enhances this attribute while maintaining high sensitivity to DC voltages. A mechanical flag indicator is provided on both the…
3Y701 700 Series DC Auxiliary Relay
The 3Y701Series are heavy duty attracted armature general purpose auxiliary relays suitable for applications where high levels of electrical isolation, DC switching capacity & reliability is required. The 700 Series range of electronic measuring relays are manufactured as a modular approach to electrical system protection & control. Designed to meet rigid Australian & international specifications the 700 Series provide a flexible, cost effective & extremely reliable solution for a multitude…
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…