SEG Protection / Relays

Mahanga Holdings Limited is the proud representative of AVK/SEG relays in New Zealand.
As a member of the international SEG Group, SEG Kempen develops, manufactures and sells high-quality switchboards, protection and control systems in three business segments. No matter whether standardised products or developments specified by the customer are required - the solutions and services of the 350 people working at SEG rank among the top world-wide. The performance and service provided by the business segment Electronic Devices is based on 30 years of experience in low and medium voltage technology which has led to numerous international references and technical leadership in the field of special niche products.

System Line
Feeder Protection, Line Protection, Transformer Differential Protection

Protection, control, supervision – the digital "all-in-one" devices offer complete solutions for medium voltage systems up to 132 kV. Safe feeder, line/cable or transformer protection can be realised in the simplest way.

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High Tech Line
Time Overcurrent Protection, Mains Decoupling, Motor Protection, Generator Protection, Differential Protection

These modular protection devices for low voltage, medium voltage and lower high voltage level (LV, MV, HV) have numerous and complex protection functions. The protection range includes basic time overcurrent protection, machine protection to high-grade differential protection.


Professional Line
Overcurrent Protection Relays, Mains Decoupling Relays, Motor Protection Relays, Generator Protection Relays, Differential Protection Relays

Here you find digital separate or combined relays with all common protection functions for low an medium voltage applications. The relays are designed for DIN rail mounting.


Sophisticated Power Protection for Low Voltage, Medium Voltage and High Voltage Applications

HighPROTEC stands for the latest generation of power protection relays with dual core processors. The new device line is designed for the complete protection of power generating and distribution systems.During the development of the HighPROTEC, we have given special emphasis to a high flexibility and simple handling of the devices.

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WI Line
WI Line – Self-Powered Time Overcurrent Relays

All relays from this line are self-powered time overcurrent relays, i.e. they take their energy from the current transformers.

Since they do not require auxilliary power, they are well suited for use in self-sustaining transfer and distribution stations, local grids and ring-main-units.

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And if you cannot find the right solution for your application in this pamphlet, despite our large product range, we will develop the solution to your requirements in co-operation with you.

In the FUNCTION LINE we have combined devices for automation. Automation of power generating systems includes far more than just a programme for starting diesel and gas engines. The function devices are also involved in supervision of gensets, control and protection of generators, prime movers and the operating components, not forgetting control and synchronizing of mains and generator circuit breakers. Various regulators, i.e. for active and reactive power and the battery chargers complete the devices programme.

In the BASIC LINE we offer you the latest microelectronics with microcontrollers, extremly simple settings and commissioning, even this is high tech - for the low cost segment. In addition, these supervision relays are fitted with high quality enclosures for DIN rail mounting.

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