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Current Sensing & Shunt Solutions

Overmolded Shunt Assemblies

Compact, high-performance solutions for power monitoring and distribution in electric and hybrid vehicles.

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Overmolded Shunt Assemblies for High-Current EV Systems

Engineered for precision and durability, these assemblies enable accurate current sensing with superior insulation and thermal stability in demanding power applications.

Technical Specifications

Parameter

Specification

Material

Resistance Alloy (Cu-Mn-Ni), Overmolded Thermoplastic

Current Rating

100 A to 1000 A

Voltage Drop

50 / 75 / 100 mV

Resistance

50 µΩ to 500 µΩ

Temperature Range

-40°C to 125°C

Insulation Resistance

>10⁶ Ω

Dielectric Strength

3000 V AC (1 min)

Accuracy Class

0.5% – 1.0%

Overload Capacity

120% rated current (30 mins)

Mounting

PCB / Panel Mount

Connection Type

Screw, Plug-in, Solder

Protection Rating

IP67

Flame Rating

UL94 V-0

Compliance

RoHS, REACH, UL Listed

Key Features

High Current Capacity

Available in ratings from 100 A to 1000 A.

Durable Construction

Overmolded with thermoplastics like PEI, PPS, PBT, and more.

Precise Sensing

Voltage drops of 50 mV, 75 mV, or 100 mV with resistance from 50–250 µΩ.

Automotive-Grade

Designed for EVs, energy systems, and industrial applications.

Advanced Welding

Electron beam welded or full resistance alloy options.

Applications

1

Electric Vehicles (EVs)

2

Hybrid Vehicles

3

Battery Management Systems (BMS)

4

Energy Storage Systems

5

Charging Infrastructure

6

Industrial Power Distribution

7

Aerospace & Defense Systems

Trust Reliability & Quality

With over 60 years of manufacturing excellence, PML delivers wire assemblies trusted by OEMs and Tier 1 suppliers across sectors demanding robust performance.

ISO 45001

ISO 45001

Occupational Health and Safety (OH&S) management systems

ISO 14001

ISO 14001

Environmental Management Systems (EMS)

ISO 9001

ISO 9001

Quality Management Systems (QMS)

IATF 16949

IATF 16949

International Standard for Automotive Management Systems

AS 9100

AS 9100

Aerospace Quality Management System (QMS)

Frequently Asked Questions

Overmolded Shunt Assemblies are current sensing components that use a low-resistance shunt element encased in thermoplastic to measure electrical current accurately while providing insulation and mechanical protection.

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