Molded & Overmolded Components
Precision Injection Molding for High-Performance Electrical Applications


Engineered from high-dielectric polymers, our custom-molded components provide the unbreakable moisture, thermal, and mechanical protection required.
This process delivers precision-molded components with high dielectric strength and mechanical reliability. The process of creating electrical molded parts at PML follows a robust, quality-controlled sequence:
1
Custom molds developed to support complex geometries and insert placement
2
Selection of insulating and, where applicable, conductive materials
3
Metal inserts placed in-mold for components requiring conductivity
4
Molten polymer is injected to encapsulate inserts and form the part
5
Controlled cooling ensures material integrity and dimensional accuracy
6
The solidified part is removed from the mold
7
Includes trimming, deburring, and quality inspection

Tooling Used
These tools are critical for repeatability, integration, and quality in molding electrical components.
| Tool Type | Function |
|---|---|
| Custom Molds | Shape and hold inserts during injection molding |
| Insert Holders | Secure placement of connectors and terminals |
| Injection Mold Cavities | Create complex geometries around inserts |
| Ejection Systems | Remove parts post-cooling with minimal deformation |
| Thermal Regulation Units | Maintain optimal flow and curing conditions |

At PML India, we specialize in developing molded electrical components with tight tolerances, reliable insulation, and long-term durability for demanding use in automotive, industrial, and consumer electronics sectors.
All electrical molded parts undergo rigorous testing to ensure compliance with industry standards:
1
Surface quality, insert placement, and molding accuracy
2
Conformance to design tolerances
3
Includes continuity, insulation resistance, and contact resistance
4
Assesses insulation integrity under high voltage
5
Evaluates impact strength and wear resistance
6
Simulates high-temperature operating conditions
PML manufactures high-quality electrical molded components that combine functionality, safety, and precision.
1
Protects circuits and users by preventing short circuits and electrical shocks.
2
Withstands mechanical stress, heat, and environmental exposure.
3
Enables complex geometries, multi-material integration, and embedded inserts.
4
Adaptable to specific voltage, current, and insulation requirements.
5
Meets stringent electrical safety and thermal performance standards.
Electrical molded parts manufactured by PML are widely used in:
1
Circuit breakers, relays, fuse holders
2
Sensors, connectors, electrical housings
3
Wire organizers, switch casings, protective enclosures
4
Terminal housings, isolators, molded cable ends
5
Signal connectors and junctions

With over 65 years of manufacturing excellence, PML delivers Electrical Molded Parts trusted by OEMs and Tier 1 suppliers across sectors demanding robust performance.

ISO 45001
Occupational Health and Safety (OH&S) management systems

ISO 14001
Environmental Management Systems (EMS)

ISO 9001
Quality Management Systems (QMS)

IATF 16949
International Standard for Automotive Management Systems

AS 9100
Aerospace Quality Management System (QMS)

High-Precision Multi-Material Components for Enhanced Performance

At Permanent Magnets Limited (PML), we manufacture standalone plastic components using high-performance polymers for critical applications across automotive, utility, and industrial sectors.
Pioneering cutting-edge technology to develop reliable, high-performance magnetic components and engineering solutions.