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Metal Core Transformer Geometry

M-EI-UI

Laminated Core Transformer Systems

Modular coil former elements, frames and housings for M, EI and UI laminated core transformer applications with separated primary and secondary winding concepts.

Product Family

Family Overview.

M-EI-UI is part of NORWE's product system for demanding electrical and electronic applications. The family combines proven core geometry compatibility with reliable manufacturing, material expertise and application-specific configuration options.

Laminated Core TransformersProtection Class TransformersIndustrial TransformersPower Transformers50/60 Hz Transformer Applications

Family Technical Data

Technical Foundation.

The product family is defined by material options, thermal behavior, insulation requirements and manufacturing features that support reliable long-term performance.

Material Options

Glass-fibre reinforced PA66 p6g for coil former elements, frames and housings; special materials available on request

RTI Performance

PA66 p6g with RTI +125°C

Soldering Resistance

Maximum soldering temperature up to +350°C for short-term exposure up to 2 seconds for versions with solder pins or solder blades

Pin & Blade Materials

Tin bronze, tin-plated solder pins or brass, tin-plated solder blades depending on configuration

Design System

M, EJ and UJ coil former elements with frames and housing systems for protection class designs A, B and C

Special Materials

Radiation cross-linked materials and special executions are available on request

Product Groups

Select A Product Group.

Choose a product group to access verified NORWE types, order codes, technical product visuals and article-specific request actions.

M 42 - M 102b Coil Former Elements technical product overview

01

M 42 - M 102b Coil Former Elements

M Coil Former Elements

Modular M coil former elements for laminated core transformer applications with separated winding areas and flexible connection concepts.

Core Range: M 42 - M 102bDesign: Modular coil former elementsMaterials: PA66 p6g
EJ 38 - EJ 96b Coil Former Elements technical product overview

02

EJ 38 - EJ 96b Coil Former Elements

EJ Coil Former Elements

EJ coil former elements for protection class transformer applications with separated primary and secondary winding sections.

Core Range: EJ 38 - EJ 96bDesign: Protection class coil former elementsMaterials: PA66 p6g
UJ 48 Coil Former Elements technical product overview

03

UJ 48 Coil Former Elements

UJ Coil Former Elements

UJ coil former elements for laminated core transformer systems with separated winding areas and modular assembly concepts.

Core Range: UJ 48Design: UJ coil former elementsMaterials: PA66 p6g
Frames r For M, EJ And UJ Elements technical product overview

04

Frames r For M, EJ And UJ Elements

Frame / Protection Class Component

Frames r for M, EJ and UJ coil former elements supporting creepage and clearance distance requirements between primary and secondary windings.

Function: Frame for insulation and system assemblyApplication: Protection class designs A and CMaterials: PA66 p6g
Housing i For M, EJ And UJ Elements technical product overview

05

Housing i For M, EJ And UJ Elements

Housing / Protection Class Component

Housing i for M, EJ and UJ coil former systems supporting creepage and clearance distances and fixation of coil former elements and frames.

Function: Housing for insulation and fixationApplication: Protection class design AMaterials: PA66 p6g
Housing d For M And EJ Elements technical product overview

06

Housing d For M And EJ Elements

Housing / Protection Class Component

Housing d for M and EJ coil former elements where coil former elements are inserted from two sides.

Function: Two-sided housing systemApplication: Protection class design BMaterials: PA66 p6g
Housing g / Housing c For M, EJ And UJ Elements technical product overview

07

Housing g / Housing c For M, EJ And UJ Elements

Housing Elements / Protection Class Component

Housing elements g for M, EJ and UJ systems and housing elements c for M systems in protection class design C.

Function: Housing elements for design CApplication: Protection class design CMaterials: PA66 p6g

Advantages

Product Advantages.

Modular system for M, EJ and UJ laminated core transformer designs

Separate primary and secondary winding areas possible

Different housing concepts for protection class designs

Supports alternative connection technologies

Frames and housings support creepage and clearance distance requirements

Requirements

Technical Requirements.

Separated Windings

Creepage And Clearance Distance

Reliable Insulation

Mechanical Fixation

Transformer Safety Concepts

Engineering Features

Designed For Reliable Manufacturing.

Every product detail supports reliable winding, assembly, insulation and long-term production stability.

01

M, EJ and UJ coil former elements are organized by construction size and system design

02

Primary and secondary winding areas can be wound in separate process steps

03

Different connection technologies can be realized depending on component shape

04

Protection class designs A, B and C use specific combinations of coil former elements, frames and housings

05

Frames r support creepage and clearance distance requirements between primary and secondary windings

06

Housing systems support fixation and insulation between windings and laminated core

07

Special materials and customer-specific executions are available on request

Materials

Engineered Materials.

Material selection supports electrical insulation, thermal stability and long-term reliability in demanding industrial applications.

PA66 p6g / RTI +125°CRadiation cross-linked materials on request

Material access

Standard materials, UL data and application-specific support.

Review NORWE standard plastic materials and UL-related data, or discuss alternative materials for specific thermal, electrical, processing or compliance requirements.

Technical Capabilities

Verified Technical Performance.

The product family is engineered around material performance, soldering resistance, connection technology and reliable processing.

01

Glass-fibre reinforced PA66 p6g with RTI +125°C for coil former elements, frames and housings

02

Tin bronze, tin-plated solder pins depending on configuration

03

Brass, tin-plated solder blades depending on configuration

04

Maximum soldering temperature up to +350°C for up to 2 seconds for solderable variants

05

Dimensions available in millimetres and inches depending on variant

06

Radiation cross-linked materials and special executions available on request

07

System components support protection class designs A, B and C

Downloads & Drawings

Technical Documents Without Friction.

Technical documentation is connected to the product structure at article level. Current released drawings are supplied through NORWE with the exact product context preserved for engineering and procurement workflows.

Product documentation

Ordering Information

Family-specific ordering guidance for complex configurations, assembly options and order-code interpretation.

Open article ordering data

Downloads & Drawings

80 released drawings available directly through the articles.

Select the matching product group and article. Released drawings can then be opened directly without submitting a request.

Open product groups

Existing Resource Categories

M-EI-UI Ordering ExampleM-EI-UI Product InformationProtection Class Design A ExplanationProtection Class Design B ExplanationProtection Class Design C ExplanationSolder Pin And Solder Blade OverviewNORWE Thermoclip InformationLaminated CoresPlastic Material ListRadiation Cross-Linking

Technical FAQ

Frequently Asked Questions.

M-EI-UI is a modular system of coil former elements, frames and housings for laminated core transformer applications. It supports M, EJ and UJ geometries and protection class transformer designs.

Industries

Related Industries.

NORWE supports applications across industries where quality, reliability and technical confidence matter.

Energy SystemsIndustrial ElectronicsIndustrial Automation

Inquiry Engine

Move From Product Interest To Engineering Clarity.

Start with M-EI-UI. NORWE can support your team with technical documents, sample requirements, quotation preparation and application-specific engineering questions.

Discuss Your Application.

Talk to NORWE about M-EI-UI components, technical requirements and application-specific solutions.

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