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Our Products

Medium Voltage Switchgear

ERM- RING MAIN UNIT (RMU)

The development of current power system focuses on the usage of ecological resources. Low power loss, low maintenance spending, reliable performance, flexible configuration are required on the medium voltage switchgear. Due to its features such as long service life, compact size and recycling, Energypac ERM ring main units have proved successful in terms of economy and ecology. It appears more important for underground cabled power distribution network in improving its devices and other aspects, with rapid development of urbanization; ring main units (RMU), as the major device for protection and segment isolation to ground cabled distribution network, are widely used in urban power grids, due to its safe and reliable performance, compact and superior cost effectiveness. Energypac Engineering Ltd as the leader in the field of distribution switchgear has Lean to designing and manufacture high-quality power distribution switchgear since 1982, with countless switchgear operating reliably over the country till now. Based on the design concept of full insulation and fully sealed, all primary parts within ERM RMU are fully sealed inside the stainless-steel main enclosure, protect too against condensation and external contaminated environment; the protection degree of the main tank body is up to IP67. Its individual modular unit, anticorrosion enclosure and perfect tightness make them suitable for applications in various places.

Power Transformer
  • Rated current 630A and rated short time withstand current 20kA for 3 second.
  • Three position disconnector/earthing switch downstream vacuum circuit breaker.
  • Interlocking between vacuum circuit breaker & disconnector/earthing switch.
  • Protection relay with ring core CTs on cable bushings.
  • Yearly production capacity 100 units.
  • Rated current 630A and rated short time withstand current 20kA for 3 second.
  • Three position switch fuse disconnector with upstream earthing switch mechanically linked with downstream earthing switch.
  • Motor operation for load break switch.
  • Yearly production capacity 100 units.
  • Rated current 630A and rated short time withstand current 20kA for 3 second.
  • Three position load break switch with disconnector and earthing switch.
  • SF6 pressure indicator
  • Motor operation for load break switch
  • Capacitive voltage indication system
  • Yearly production capacity 100 units.
Technical Specifications For
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LOAD BREAK SWITCH (LBS)

Load Break switch is a common equipment in an electrical substation to turn off and on the power to the transformer. It is used to isolate the substation from the distribution incoming line. Generally a 12 kV load break switch is placed before a 12kV/415V transformer so that in case of a shut down , it can be turned off and the main distribution line to other users does not interrupt. Basically it is a mechanical switch protection system which is cheaper than a Vaccum circuit breaker. There are two types of LBS currently available in international market. One is Air insulated LBS, most of the LBS user clients in Bangladesh use this type of LBS . Air insulated means the switching system is operated in a medium surrounded by air. Another one is Gas insulated LBS which is farely new to this industry. In Gas Insulated LBS the switching operation is done in a closed chamber with a gas having high dielectric properties such as SF6 gas. Energypac Engineering is the biggest Local supplier of Air insulated LBS in Bangladesh. But recently we have launched a new Gas Insulated LBS as well.

Power Transformer
  • Robust design with trouble free mechanism
  • Mechanical & Electrical Operation
  • Maintenance free mechanism
  • Separate HT / LT Compartments
  • Compact design with aesthetic look
  • Yearly production capacity 250 units
  • Robust design with trouble free mechanism
  • Available in both Indoor/Outdoor version and extensible
  • Manual operation with HRC fuse protection
  • No arc chute hence minimal maintenance
  • Compact design with aesthetic look
  • Yearly production capacity 250 units
Technical Specifications For
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INDOOR VACUUM BREAKER

ENERGYPAC remains the first and only company in Bangladesh to introduce horizontal isolated, horizontal draw out type vacuum circuit breaker. Motivation of the top management together with the innovative skills of its R&D team made this circuit breaker meet highly demanding needs for performance from all quarters including consultants, contractors, industries and utilities. Large numbers of this circuit breaker are in operation today in Bangladesh and other parts of the world. This 12 kV horizontal isolated, horizontal draw out vacuum circuit breaker type EHHV-12 is highly effective and easy to operate and maintain equipment for distribution at 12 W.

This specially designed equipment offers the following advantages:-

Power Transformer
  • User-friendly
  • High degree of safety and operational reliability
  • Rugged design, Simple in construction
  • Modular and compact
  • Easy maneuverability of truck
  • Extensible with high degree of customization
Technical Specifications For
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