What is the Copper Manganin Shunt Resistor?
Engineered for demanding low‑voltage power distribution systems and smart metering electronics, our Copper Manganin Shunt Resistor delivers exceptional current‑sampling accuracy and long‑term thermal stability. By implementing a dedicated process perspective focused on high‑conductive electrolytic copper terminals and electron beam welded copper manganese alloy cores, this component effectively eliminates resistance drift caused by high operational temperatures. It is deployed extensively in downstream equipment such as single‑phase electricity meters, photovoltaic string inverters, and high‑current latching relays where precise micro‑ohm signal conversion is paramount.
As a well‑established Chinese original manufacturer, we feature strong production capabilities supported by high‑speed stamping equipment and automated resistance‑welding stations. With strict quality control in place, we handle large‑volume bulk orders as well as custom OEM projects. Our factory achieves tight dimensional accuracy within ±0.01 mm and offers full material traceability complying with IATF 16949 standards. Work alongside our engineering group for reliable lead times, custom‑built terminal designs, and factory‑direct supply‑chain solutions matched to your industrial requirements.
Technical Specifications & Materials of Quality Manganin Shunt
| Technical Parameter | Specification Value |
|---|---|
| Hardness (HV/HB) | HV 130‑180 (Manganin Alloy Core) |
| Plating Thickness | Bare copper or optional Tin/Nickel plating (3‑5 μm) |
| Contact Resistance | < 0.5 mΩ across welded interface |
| Dimensional Tolerance | ±0.01 mm to ±0.05 mm |
Stable system performance guarantee of Latching Relay Manganin Current Shunt Component
Collaborative guarantee of high precision and linearity
The Electric Meters Manganin Shunt provides defined accuracy and linear response for energy‑meter current sampling. Stated error and linearity values come from controlled laboratory tests. Actual performance is affected by operating current, assembly stress, and ambient temperature. It outputs voltage‑drop signals for metering chip processing.
Reliable material and structural design support
Copper Manganin Shunt Resistor uses manganese‑copper alloy resistive material with low temperature coefficient and high resistivity. Its resistance remains stable over temperature changes. Electron‑beam welding connects manganin foil and copper terminals. Weld quality determines the resistance consistency of finished units.
Stable diversion brought by magnetic retention function
Power metering circuits face current fluctuation. Optimized conductor layout stabilizes current paths on the shunt. Proper mounting reduces internal mechanical stress and restrains resistance shift under variable working loads.
Why choose our Smart Meter Latching Relay Manganin Stamped Shunt
Material traceability
Copper Manganese Alloy material certificates are provided upon request.
Process control
Welding and stamping process traceability for batch orders.
Custom scope
Support drawing-based Quality Manganin Shunt modification for resistance value, dimension, and terminal layout.
Delivery terms
Sample support of EV Metering Latching Relay Manganin Shunt Parts, fixed lead time of 7-15 working days for custom orders.
contact us
Copper Manganin Shunt Resistor has diverse usage methods and unique advantages in different application scenarios. If you are considering applying it to your electricity metering project, please feel free to contact us. We will tailor a personalized solution for you based on your specific project needs, such as a specific current measurement range, environmental conditions, and budget constraints.
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