01Upto 400kV class / HDB
Upto 400kV HDB Turn & Twist Isolators/Disconnectors
Horizontal double-break Isolator/Disconnector with smooth turn-and-twist operation for high-voltage substations upto 3150A ratings.
Explore rangeEngineered for Excellence.Built for Reliability.
Precision-Engineered HV/EHV Isolators/Disconnectors for dependable power transmission and distribution.
Made in India
Tritech Disconnectors manufactures high-quality outdoor Isolators/Disconnectors for transmission, Distribution, Railways and industrial power systems.
We integrate designing, Engineering, Fabrication, Hot-dip galvanizing, Assembly and In house testing to ensure precision, Consistent quality, And reliable delivery. Our products, Rated upto 400kV class, Are engineered to meet demanding electrical infrastructure requirements with a focus on performance, Durability, And reliability.
Upto 400kV classProduct range
900-1,000MT / monthGalvanizing capacity
IS & IECType-tested products
In-houseTesting and inspection
Wadivarhe, Nashik1,80,000 sq. ft.
Integrated manufacturing facility
Our product range
Isolators / Disconnectors Upto 400kV Class
Built for utility substations, Power-generation projects, Railway networks and industrial electrical systems across India.
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0211kV to 33kV class / HDB
11kV to 33kV HDB Banging-Type Isolators/Disconnectors
Horizontal double-break, Banging-type Isolator/Disconnector for distribution and utility installations upto 1250A ratings.
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03Substation Equipment Structures
Equipment Structures
CNC Fabricated equipment structures with facility of robotic welding for precision manufacturing.
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04400kV Insulators
400kV Insulators
Supply of normal/high creepage approved polymeric/porcelain insulators for various voltage ratings.
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05In-house service
Hot-Dip Galvanizing
In house 1000 Metric Ton high quality hot dip galvanizing plant, Having bath size L - 6.1m, H - 1.2m, W - 0.8m with in house shot blasting facilities.
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06Upto 36kV class
Horn Gap & Drop-Out Fuses
Single-phase horn-gap and drop-out fuse equipment for distribution protection applications.
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07Operating Box
Motor Operating Mechanism Box
Motorized operating enclosure with reduction gear, Overload protection and control options suitable for SCADA operations.
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08Aluminium connectors
Terminal Connectors
Type-tested terminal connectors, Including configurations for Terminal pads and substation equipment.
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0911kV to 36kV class
11kV to 36kV Air-Break Switch
Outdoor air-break switching equipment, Including 11kV and 22kV configurations upto 400A rating.
Explore range01—09
Integrated capabilities
Everything Under One Roof
Manufacture · Test · Report
Proven in the field
Proven Where Power Matters
Isolators/Disconnectors in service across generation, Transmission, Distribution, Utilities, Railways, Renewable and industrial power networks in India and abroad.
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Transmission Substations
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Power Distribution
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Power-Generation Projects
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Railway Electrification
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Solar-Power Evacuation
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Wind-Energy Projects
International supply
Ethiopia33kV + 66kV
Tritech reports completing an export order for 33kV 400/1200A and 66kV 800A Isolators/Disconnectors.
High-voltage export
Kenya
245kV
Tritech reports completing an export order for 245kV, 2000A Isolators/Disconnectors.
High-voltage export
Bhutan
145kV
Tritech reports completing an export order for 145 kV, 1250 A Isolators/Disconnectors.
High-voltage export
Nepal
245kV
Supply of 245kV Isolators/Disconnectors for projects in Nepal.
International supply
Mauritius
66kV
Supply of 66kV Isolators/Disconnectors for projects in Mauritius.
Indian utility projects
India
Utility-Scale Supply
Published records include MPPTCL, CSPTCL, KSEB, HVPNL, MSETCL and MSEDCL projects.
Selected historical supply milestones from published company records.
Quality and trust
Tested. Approved. Trusted.
Tritech products are type-tested to applicable IS and IEC standards through organisations CPRI, ERDA, NABL accredited laboratories.
In-house testing and inspection equipment is supported by calibration from NABL-accredited laboratories.
IS and IEC standards
Type-tested products
Calibrated inspection equipment
Controlled in-house processes
Utility approvals
Current Records, Clearly Named.
Isolators/Disconnectors upto 245kV with various current ratingsApproval under processUnder Process
Isolators/Disconnectors upto 245kV with various current ratingsApproval recordApproved
Isolators/Disconnectors upto 400kV class with various current ratings2025-27Approved
Isolators/Disconnectors upto 245kV with various current ratingsApproval recordApproved
Isolators/Disconnectors upto 33kV with various current ratingsApproval recordApproved
Isolators/Disconnectors upto 245kV with various current ratingsApproval recordApproved
Clients and authorities
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Common questions
Isolators/Disconnectors, Clearly Explained
Answers to what buyers/engineers usually ask
01CompanyWho is Tritech Disconnectors?
Tritech Disconnectors (India) Private Limited is a Nashik, Maharashtra-based manufacturer of outdoor Isolators/Disconnectors equipment with HDG support structures of various ratings, Incorporated in November 2006 and formerly known as Tritech Corporation.
02Voltage rangeWhat voltage range do Tritech Isolators/Disconnectors cover?
Tritech manufactures Isolators/Disconnectors from 11kV distribution equipment upto 400kV class for transmission applications, Including Horizontal Double Break, Horizontal Single Break and Vertical Single Break configurations.
03FundamentalsWhat are Isolators/Disconnectors used for?
Isolators/Disconnectors are off-load switching equipment that create a visible, Physical break in a circuit for safe maintenance. Circuit breakers are rated to interrupt load current.
04ApprovalsIs Tritech approved by state electricity boards and central utilities?
Yes. Tritech holds vendor approval records with RDSO, KPTCL, HVPNL, GETCO, APTRANSCO, MSETCL, MSEDCL and MMRDA, Among others. Power Grid approval for Isolators/Disconnectors upto 245kV with various current ratings is under process. Current approval details are listed on our approvals page.
05ExportsDoes Tritech supply Isolators/Disconnectors outside India?
Yes. Alongside its domestic utility client base, Tritech has completed export orders for Isolators/Disconnectors used in Ethiopia, Kenya, Bhutan, Nepal, Mauritius and Nigeria.
06FacilityWhere is Tritech's manufacturing facility located?
Tritech's integrated manufacturing facility is at Wadivarhe, In Nashik district, Maharashtra, Spread across 1,80,000 sq. ft. of engineering, Production and testing infrastructure.
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