Control Relay Module
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This page explains how Electromagnetic Relay is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
An electromechanical switching device that uses an electromagnet to mechanically operate contacts, enabling control of high-power circuits with low-power signals.
Technical details and manufacturing context for Electromagnetic Relay
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Coil Voltage | 5–24 V DC | Standard range; other voltages available on request |
| Contact Current Rating | 5–30 A | Resistive load; derate for inductive loads |
| Contact Voltage Rating | 250 V AC | Maximum switching voltage |
| Coil Power Consumption | 0.36–0.9 W | Typical for standard relays |
| Operate Time | ≤15 ms | Time from coil energization to contact closure |
| Release Time | ≤10 ms | Time from coil de-energization to contact opening |
| Mechanical Life | ≥10^7 operations | Without load |
| Electrical Life | ≥10^5 operations | At rated resistive load |
| Operating Temperature | -40–85 °C | Storage and operating range |
| Insulation Resistance | ≥100 MΩ | At 500 V DC between coil and contacts |
| Dielectric Strength | 1500 V AC | Between coil and contacts for 1 minute |
| Contact Resistance | ≤50 mΩ | Initial value at rated current |
| Weight | 10–30 g | Typical for PCB mount relays |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | Atmospheric to 101.3 kPa (standard), up to 200 kPa for sealed types |
| other spec: | Contact rating: 1A to 30A typical, Coil voltage: 5V to 240V DC/AC, Switching frequency: ≤10 Hz mechanical, Insulation resistance: ≥100 MΩ |
| temperature: | -40°C to +85°C (operating), -55°C to +105°C (storage) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
A practical evidence checklist for RFQ preparation and supplier evaluation.
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4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
The official electromagnetic relay page lists models such as HW-L4C-P, HW-L4CL, HW-L3C-P and HW-L1CL, rated 10 A or 16 A with LED indicator; the About page on the same domain describes production and export of new energy, high-power, general-purpose and miniature relays, with factory tours of automated lines and quality inspection, located in the Yueqing Economic Development Zone. Coil voltage and service life must be confirmed from the model datasheet.
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The standard coil voltage range is 5–24 V DC, but other voltages may be available on request. Always confirm the exact coil voltage for your specific model with the manufacturer.
The contact current rating is specified for resistive loads. For inductive loads, derating is required to avoid premature contact wear. Consult the manufacturer for guidance on derating factors.
The mechanical life is at least 10^7 operations without load. This indicates the expected durability of the mechanical parts under no electrical load.
The relay is designed to operate and be stored in a temperature range of -40 to 85 °C. Ensure that the ambient temperature stays within these limits to maintain reliable operation.
This component is essential for the following industrial systems and equipment:
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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