Precision Engineering
Precision Engineering | Electrical Switches | Electrical | Palmer
When precision counts, HEP brings decades of engineering expertise to every project, crafting high-performance electrical switches that stand up to Palmer’s toughest industrial and commercial demands. Our team designs, prototypes, and manufactures each component in-house, blending advanced materials with meticulous testing protocols to ensure flawless conductivity, tactile feedback, and long-term reliability. From single-pole toggle units to complex, multi-gang assemblies, we tailor switch configurations to fit your exact specifications while meeting stringent safety and compliance standards.
Beyond superior craftsmanship, HEP offers the responsive service you expect from a local partner. Need rapid prototyping, small-batch production, or a full lifecycle upgrade? Our engineers are just around the corner, ready to streamline your workflow, minimize downtime, and keep your operations humming. Discover how Palmer’s precision engineering leader can elevate your next build with electrical switches engineered to perform today and endure tomorrow.
FAQs
What types of electrical switches do you manufacture at your Palmer facility?
We produce a full range of precision-engineered switches, including toggle, rocker, push-button, rotary, micro-limit, and DIP switches. Each product line is available in multiple current ratings (from milliamp signal to 30 A power), contact materials (silver, gold, or palladium alloy), and mounting styles (PCB, panel, DIN-rail, or chassis). This breadth allows us to support everything from instrumentation and medical devices to heavy-duty industrial machinery.
Can you customise a switch to my exact specifications?
Yes. Our engineering team in Palmer specialises in build-to-print and co-development projects. We can modify actuation force, travel distance, housing footprint, terminal configuration, environmental sealing (up to IP68), and even cosmetic elements such as colour, laser engraving, or back-lighting. Typical custom prototypes are produced within 2–3 weeks after design approval, with production orders following shortly thereafter.
How do you ensure the precision and reliability of your switches?
Every switch is built under ISO 9001- and AS9100-certified processes. Critical components are machined to ±5 µm tolerances on our CNC equipment, and all contacts are plated in-house for consistent thickness control. Finished units undergo 100 % electrical testing, mechanical endurance cycling (up to one million actuations where applicable), and environmental stress screening that includes thermal shock, vibration, and salt-spray tests. Statistical process control (SPC) data are archived for full traceability.
What industry standards and approvals do your electrical switches meet?
Depending on the model, our switches carry UL, cUL, CE, and CSA marks for safety compliance. Many designs also meet MIL-PRF-8805, IEC 61058, and RoHS/REACH directives. For specialised sectors, we offer versions qualified to EN 45545 (rail), DO-160 (aerospace), and ATEX/IECEx (hazardous locations). Certificates of conformance and third-party test reports are supplied with every shipment.
What is your typical lead time and minimum order quantity?
For catalogue items kept in stock, we can ship same day for orders placed before 2 p.m. EST. Standard production runs have a lead time of 3–4 weeks, while custom or highly specialised builds may require 6–8 weeks, depending on tooling and validation needs. Our minimum order quantity is generally 25 pieces, but we accommodate engineering samples and pilot builds starting at quantities of 5 for most series.
Do you offer technical support and on-site assistance?
Absolutely. Our applications engineers provide free design-in assistance, schematic reviews, and 3-D CAD files. For customers within a 250-mile radius of Palmer, MA, we can arrange on-site visits for installation audits or failure analysis. Remote support via video conferencing and live test-bench demonstrations is also available worldwide. In addition, we stock a full range of replacement parts and offer training on proper switch handling and termination to maximise field life.