SMT Sealed Rocker Switch (backward)
ER-3-M/N
ES40-R Sealed Sub-miniature Rocker Switches
This rocker switch is surface mount with backward terminal, single pole, horizontal actuation and right angle. Small footprint - saves space. Made by UL 94V-0 Nylon case and bushing. It is completely sealed to IP67 standards. Sealed structure can avoid any contaminant during soldering and cleaning process. This switch is perfect for Telecommunications, Computers and peripherals.
Features
- Sealed against solder and cleaning processes
- Circuit: SPDT
Specification
- Contact Rating: R- 0.4 VA max @ 20 V AC or DC
- Life Cycle: 30,000 make and break cycles at full load
- Contact Resistance: 20 mΩ max. initial @2-4 VDC, 100 mA
- Insulation Resistance: 1,000 MΩ min.
- Dielectric Strength: 1,500 V RMS @ sea level.
- Degree of Protection: IP67
- Operating Temperature: -30°C to 85°C
Materials
- CASE & BUSHING: Glass filled nylon PA6T G30, flame retardant heat stabilized (UL94V-0)
- ACTUATOR: Nylon, black standard. Internal o-ring seal standard with all actuator.
- CONTACT & TERMINAL: Copper alloy, gold plated
- SWITCH SUPPORT: Copper alloy, tin-plated
- TERMINAL SEAL: Epoxy

Product Drawings

Application
- Telecommunications
- Instrumentation
- Computers & peripherals
- Medical equipment
- Electronic appliance
- Youtube
- Related Products
SMT Sealed Rocker Switch
ER-3
This rocker switch is surface mount with sideward terminal, single pole, horizontal actuation...
Details- Files Download
How Can You Prevent Switch Contamination During Automated SMT Assembly Processes?
Our ER-3-M sealed rocker switch features complete IP67 protection with internal o-ring seals and epoxy terminal sealing, specifically engineered to prevent any contaminant ingress during wave soldering and cleaning processes. This sealed structure eliminates post-assembly failures and reduces manufacturing defects, saving you costly rework. Contact us to receive detailed specifications and samples for your telecommunications equipment testing.
Engineered for demanding applications in telecommunications, medical equipment, computers and peripherals, instrumentation, and electronic appliances, this sealed sub-miniature rocker switch provides 30,000 make-and-break cycles at full load with a contact rating of 0.4VA max at 20V AC or DC. The internal o-ring seal standard with all actuators ensures complete protection to IP67 standards, while the epoxy terminal seal provides additional safeguarding against environmental exposure. Certified with RoHS compliance, lead-free designation, and ENEC approval, this switch meets stringent international quality standards. Backed by over 30 years of manufacturing expertise, our ES40-R series delivers the competitive quality, speed, and pricing that leading global brands demand for their critical applications.






