Metal-clad switchgear
Drawout vacuum-breaker switchgear, 5 / 15 / 27 / 38 kV class, up to 4000 A and 50 kA, compartmentalized, with optional arc-resistant construction.
Switchgear OEM
OEM switchgear manufacturer for medium- and low-voltage equipment
Metal-clad, metal-enclosed, gas-insulated and pad-mounted MV switchgear, LV switchboards, switchgear and motor control centers — built to your single-line diagram, customized or supplied under your brand.
What we build
Switchgear and distribution equipment available OEM
Built on the catalogue designs below or entirely to your single-line diagram and drawings — ratings shown are catalogue ranges.
Metal-enclosed and gas-insulated switchgear
Load-interrupter switchgear with power fuses, 15 / 27 / 38 kV class, and compact SF6-free gas-insulated switchgear with vacuum interrupters and online monitoring.
Pad-mounted switchgear and RMUs
Dead-front ring main units, 15/25/38 kV class, 200/600 A, SF6 or SF6-free; smart RMUs with metering, protection and SCADA; sectionalizing and junction cabinets.
LV switchboards and panelboards
Dead-front service-entrance and distribution switchboards up to 6000 A and panelboards with molded-case breakers, ≤ 600 V, 60 Hz.
LV switchgear and MCCs
Drawout low-voltage switchgear up to 5000 A and 100 kAIC, and modular drawer-type motor control centers for data centers, industry and infrastructure.
Metering, PFC and renewables
Meter sockets and CT metering cabinets, secondary pedestals, automatic power-factor-correction banks, and PV combiner and grid-connection boxes and cabinets.
What can be customized
Built to your single-line diagram
Typical customization areas for OEM and private-label switchgear — the exact scope is confirmed in the quotation.
Single-line and ratings
Voltage class, continuous and short-circuit ratings, bus arrangement, number of sections and incoming / outgoing configuration to your single-line diagram.
Protection, metering and controls
Protective relays, revenue metering, instrument transformers, control wiring and SCADA / communication interfaces to your protection philosophy.
Components of your choice
Circuit breakers, relays and meters from your preferred brands where the specification calls for them — confirmed in the quotation.
Enclosure and layout
Indoor or NEMA 3R outdoor enclosures, arc-resistant options, cable entry, dimensions, paint color and layout to fit your electrical room or pad.
Private label
Your brand on nameplates, doors, labels, drawings and manuals. Minimum order quantity, branding and packaging are confirmed per project in the quotation.
Documentation
Approval drawings, wiring diagrams, test reports and O&M manuals in your format, numbering and language — scope confirmed in the quotation.
Standards & certification
ANSI/IEEE and UL for North America, IEC for export
Designed to ANSI/IEEE C37 and UL standards for the U.S. and Canada, or to IEC 62271 for export — and certified to your market’s requirements on request: UL (cULus), CSA, CE or IEC CB.
Medium voltage
Metal-clad to ANSI/IEEE C37.20.2, metal-enclosed to C37.20.3, GIS to IEEE C37.20.9; pad-mounted switchgear to ANSI C57.12.28 and IEC 62271-200; smart RMUs to IEEE C37.74.
Low voltage
Switchboards to UL 891, LV switchgear to UL 1558 / ANSI C37.20.1, MCCs to UL 845, panelboards to UL 67, meter sockets to UL 414 and PFC banks to UL 810.
UL / CSA certification
UL (cULus) and CSA certification available on request for your assembly; orders that need new certification ship within 36 weeks.
IEC and export
IEC 62271 designs for export markets, built in about 12 weeks; CE marking and IEC CB certification on request, with timing and scope confirmed in the quotation.
Management systems
Built under ISO 9001, ISO 14001, ISO 45001 and IATF 16949 management systems, with CE and IEC CB Scheme marks held across product lines.
Quality & delivery
Tested in our own factory, delivered on a dependable schedule
Lead time
North-American-spec builds in 16–24 weeks; within 36 weeks when new cULus/CSA certification is needed; IEC/CE equipment in about 12 weeks — the same as catalogue products.
Routine tests and FAT
Production tests to the applicable ANSI/IEEE, UL or IEC standard before shipment, with factory acceptance test documentation, quality inspection reports and serial-number records.
Witnessed inspection
Third-party inspection or a witnessed factory acceptance test can be arranged for eligible projects.
Warranty
Warranty term set per product, minimum 36 months — a manufacturer warranty issued by Entogo Inc., with term and coverage confirmed per contract.
Confidentiality and origin
Your single-line diagrams and drawings are covered by a non-disclosure agreement. China is stated as the country of origin up front for duty and origin planning.
Base models
Catalogue switchgear and distribution equipment we build on
Switchgear & distribution
Metal-Clad Switchgear (Drawout MV)
Metal-clad medium-voltage switchgear with drawout vacuum circuit breakers for 5/15/27/38 kV class systems, 60 Hz — compartmentalized, insulated-bus construction up to 4000 A and 50 kA, with optional arc-resistant rating. Designed to ANSI/IEEE C37.20.2; UL/CSA certifiable.
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Switchgear & distribution
Low-Voltage Switchboard (UL 891)
A dead-front low-voltage switchboard for ≤ 600 V, 60 Hz service-entrance and distribution — up to 6000 A and 200 kA, with group-mounted molded-case or insulated-case breakers, for commercial, institutional and industrial buildings. Designed to UL 891; UL (cULus) / CSA certifiable.
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Switchgear & distribution
Pad-Mounted Switchgear (Ring Main Unit)
Pad-mounted load-break switchgear (ring main unit) for underground medium-voltage distribution — 15/25/38 kV class, 200/600 A, dead-front, with SF6 or SF6-free fault-interrupting ways for utility loops, campuses and data centers, 60 Hz. Designed to IEC 62271-200 and ANSI C57.12.28; UL/CSA certifiable.
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Switchgear & distribution
Metal-Enclosed Load-Interrupter Switchgear
Metal-enclosed load-interrupter switchgear for 15 / 27 / 38 kV class medium-voltage systems, 60 Hz — fixed-mounted load-break switches with power-fuse protection in a compact steel enclosure, for compact substations, primary service entrance and MV isolation. Designed to ANSI/IEEE C37.20.3; UL / CSA certifiable.
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Switchgear & distribution
Gas-Insulated Switchgear (GIS) — Eco-Gas / SF6-Free
Compact gas-insulated switchgear (GIS) using vacuum interrupters and an eco-friendly (SF6-free) insulating gas at near-zero gauge pressure — for space-constrained 15 / 27 / 38 kV class medium-voltage distribution, 60 Hz, with built-in online monitoring and SCADA. Designed to IEEE C37.20.9; UL / CSA certifiable.
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Switchgear & distribution
Smart Pad-Mounted Switchgear (Integrated RMU)
A smart pad-mounted ring main unit integrating primary load-break switchgear with secondary intelligence — instrument transformers, revenue metering, microprocessor protection, fault recording and SCADA — in one 15/25 kV class, 60 Hz unit. Designed to IEC 62271-200 and IEEE C37.74; UL/CSA certifiable.
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Switchgear & distribution
Low-Voltage Drawout Switchgear
Low-voltage drawout (withdrawable) switchgear for ≤600 V, 60 Hz distribution, motor control and power-factor correction — up to 5000 A and 100 kAIC, with drawout power circuit breakers, for data centers and industry. Designed to UL 1558/ANSI C37.20.1; UL/CSA certifiable.
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Switchgear & distribution
Low-Voltage Switchgear & Motor Control Center
A combined low-voltage switchgear and motor control center for ≤600 V, 60 Hz systems — a power-distribution section with drawout motor-control units for distribution, motor control and lighting up to 3150 A. Designed to UL 1558 and UL 845; UL/CSA certifiable.
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Switchgear & distribution
Modular Low-Voltage Switchgear / MCC
Modular drawer-type low-voltage switchgear and motor control center for ≤600 V, 60 Hz three-phase systems — standardized, mechanically interlocked withdrawable drawers up to 5000 A and 100 kAIC. Designed to UL 1558 and UL 845; UL/CSA certifiable.
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Switchgear & distribution
Distribution Switchboard / Panelboard
A low-voltage distribution switchboard / panelboard for ≤600 V, 60 Hz power and lighting distribution — wall- or floor-mounted, with main and branch molded-case breakers, metering and SCCR to 100 kAIC. Designed to UL 67 (panelboard) and UL 891 (switchboard); UL/CSA certifiable.
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Switchgear & distribution
Automatic Power-Factor-Correction Capacitor Bank
An automatic power-factor-correction (PFC) capacitor bank for 480 V, 60 Hz systems — stepped, controller-switched kVAR with detuned harmonic-filter reactors to raise power factor, cut demand charges and free up transformer capacity. Designed to UL 810, IEEE 18 and NEMA CP-1; UL/CSA certifiable.
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Switchgear & distribution
Pad-Mounted Sectionalizing / Junction Cabinet
A dead-front pad-mounted sectionalizing and junction cabinet for underground medium-voltage cable networks — 15/25 kV class, 200/600 A, 2- to 4-way, with separable elbow connections in a tamper-resistant NEMA 3R enclosure. Designed to ANSI C57.12.28 and IEEE 386; UL/CSA certifiable.
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Switchgear & distribution
Secondary Pedestal / Cable Junction Cabinet
A low-voltage secondary pedestal / cable junction cabinet for underground residential and commercial distribution (URD) — taps, branches and joins ≤ 600 V secondary cables between transformers, switchgear and services in a weatherproof NEMA 3R enclosure, 60 Hz. Designed to UL 50 / UL 50E; UL (cULus) / CSA certifiable.
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Switchgear & distribution
CT Metering & Distribution Cabinet (Pedestal)
A combined CT-metering and low-voltage distribution cabinet for utility and tenant service points — current-transformer metering, outgoing breakers and optional power-factor correction in one outdoor NEMA 3R pedestal, ≤600 V, 60 Hz. Designed to UL 414, UL 50/50E and UL 891; UL/CSA certifiable.
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Switchgear & distribution
Meter Socket / CT Metering Enclosure
Meter sockets and current-transformer (CT) metering enclosures for residential, commercial and utility service — 200–1200 A, ringless or ring-type, in 304/201 stainless or galvanized steel, NEMA 3R/4X. Designed to UL 414, UL 50/50E and ANSI C12.7; UL/CSA certifiable.
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Switchgear & distribution
HLX New-Energy AC/DC Combiner Box
The HLX combiner box for photovoltaic systems — the DC version consolidates up to 24 PV string inputs with per-string fuses, surge arresters and breakers; the AC version links string inverters to AC distribution at up to 690 V, IP65 for outdoor use.
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Switchgear & distribution
BWX New-Energy Grid-Connection Box
The BWX grid-connection box connects photovoltaic string inverters to the grid, with dedicated PV grid-connection circuit breakers, pull-ring isolators and secondary surge protection in an IP65 enclosure for outdoor use.
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Switchgear & distribution
BWG New-Energy Grid-Connection Cabinet
The BWG grid-connection cabinet sits between PV inverters (or an AC combiner box) and the grid in high-power photovoltaic plants, providing undervoltage/overvoltage, surge, overcurrent and grid-isolation protection with multi-function metering and anti-islanding support.
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OEM
Switchgear OEM questions
- Can you build switchgear to our single-line diagram?
- Yes. Send the single-line diagram and specification; Entogo engineers the line-up — ratings, bus, sections, protection and metering — and issues approval drawings for your sign-off before production. Build-to-print from your own drawings is also available.
- Can you fit breakers and relays from our preferred brand?
- Yes, where your specification calls for them. Component brands, availability and their effect on lead time are confirmed in the quotation.
- Do you offer private-label switchgear?
- Yes. Nameplates, door labels, drawings and manuals can carry your brand. Minimum order quantity, branding and packaging are confirmed per project in the quotation, and the engagement can be covered by a non-disclosure agreement.
- Is the switchgear UL or CSA certified?
- Low-voltage equipment is designed to UL 891, UL 1558, UL 845 and UL 67, and medium-voltage switchgear to ANSI/IEEE C37. Certification to your market’s requirements — UL (cULus), CSA, CE or IEC CB — is available on request for your assembly; orders that need new cULus/CSA certification ship within 36 weeks.
- Do you build SF6-free switchgear?
- Yes. The gas-insulated switchgear uses vacuum interrupters and an SF6-free insulating gas, and pad-mounted ring main units are offered with SF6 or SF6-free fault-interrupting ways.
- What is the lead time for OEM switchgear?
- The same as catalogue products: 16–24 weeks for North-American-spec (ANSI/IEEE) builds, within 36 weeks when new cULus/CSA certification is needed, and about 12 weeks for IEC/CE equipment built for export markets.
OEM by product line
Every product line, available OEM, customized or private-label
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Transformers & substations
Pad-mounted, pole-mounted, dry-type and power transformers and packaged unit substations — built to your drawings, customized or under your brand.
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Battery energy storage
Liquid- and air-cooled C&I cabinets, containerized BESS and grid-forming PV-storage systems — customized or supplied private-label under your brand.
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EV chargers
AC home and commercial chargers, DC fast and ultra-fast chargers and PV-storage charging units — OEM or white-label under your brand.
OEM
Send your single-line diagram.
A single-line, a specification or a bill of materials — our engineering team replies within one business day, under NDA if you need one.