Aviation Switch ZKP Series Switch

Product Overview

The ZKP Series Aviation Rocker Switch is a rugged, high‑reliability switching solution designed for demanding aerospace and avionics applications. This aviation rocker switch with military grade provides positive tactile feedback, sealed construction against moisture and dust, and long mechanical life (50,000+ cycles). Rated for 28V DC / 10A and capable of low‑level signal switching (10μA–50μA), the ZKP series is available in multiple circuit configurations (SPST, SPDT, DPST, DPDT) with illuminated or non‑illuminated actuators. Its IP67 front panel seal and robust housing ensure reliable operation in extreme temperatures (-55°C to +85°C), high vibration, and altitude pressure changes. As a core product in YM’s aviation switch portfolio – which includes aircraft rocker switches, military rocker switches, certified aircraft rocker switches, military grade rotary switches, and aviation encoding switch with military grade – the ZKP series delivers uncompromised performance for cockpit panels, flight control systems, and ground support equipment.

Technical Specifications

Electrical Ratings

• Contact configuration: SPST, SPDT, DPST, DPDT (momentary or maintained)
• Maximum voltage: 28V DC / 115V AC 400Hz
• Current rating (resistive): 10A at 28V DC; 5A at 115V AC 400Hz
• Low level switching capability: 10μA – 50μA, 10mV – 50mV (gold‑plated contacts)
• Initial contact resistance: ≤50mΩ
• Insulation resistance: >500MΩ at 500V DC
• Dielectric strength: 1000Vrms between terminals and case; 500Vrms between open contacts

Mechanical & Environmental

• Mechanical life: 50,000 cycles minimum
• Electrical life (rated load): 25,000 cycles
• Actuator force: 4 – 7 N (rocker travel 25°)
• Sealing: IP67 front panel (splash‑proof, dust‑tight); optional silicone boot for full immersion
• Operating temperature: -55°C to +85°C
• Vibration resistance: 10g RMS, 10‑2000Hz per RTCA/DO‑160
• Shock: 50g, 11ms half‑sine
• Altitude: 50,000 feet (15,240m)
• Weight: ≤20g
• Terminal style: 0.250” quick‑connect or solder lug
• Actuator options: Non‑illuminated, LED illuminated (red, green, amber, white), or NVIS compatible

All parameters are validated per MIL‑PRF‑8805 and RTCA/DO‑160G. The ZKP series meets the highest standards for airborne equipment.

Product Images & Visuals

Above: ZKP series aviation rocker switch (shown with LED illumination and panel seal). Contact YM for dimensional drawings, actuator color options, and environmental qualification reports.

Key Features & Advantages for Aerospace Applications

• Military‑grade durability: Designed to MIL‑PRF‑8805, the ZKP series withstands high vibration (10g RMS), shock (50g), and temperature extremes (-55°C to +85°C) – ideal for cockpit and external aircraft mounting.
• Positive tactile feedback: Rocker mechanism provides distinct actuation feel and audible click, reducing pilot error in high‑stress environments.
• Sealed construction (IP67): Front panel seal prevents ingress of moisture, dust, and fuel vapors – critical for unpressurized bays and ground support equipment.
• Low contact resistance & high insulation: ≤50mΩ initial resistance and >500MΩ insulation ensure reliable switching of avionics signals and power circuits.
• Flexible circuit configurations: Available in SPST, SPDT, DPST, DPDT with momentary or maintained action – fits any cockpit control requirement.
• Optional LED illumination: Red, green, amber, or white LED for night vision compatibility (NVIS compliant options available).

YM’s engineering advantage: The ZKP series shares proven sealing and contact technology with our certified aircraft rocker switches and Military Grade Switch families. For complete panel integration, YM also offers military grade rotary switches, aviation encoding switch with military grade, and gx Aviation Connector – a one‑stop solution for aircraft cockpit and avionics controls.

How to Install & Use the ZKP Aviation Rocker Switch – Step by Step

1. Select correct configuration: Determine circuit type (SPST, SPDT, etc.), action (momentary or maintained), and illumination (if needed). Verify voltage and current ratings match your load.
2. Panel cutout preparation: Standard cutout size: 21mm x 31mm (for single rocker). Use a panel punch or CNC router for precise hole. Deburr edges.
3. Mounting: Insert the switch from the front of the panel. Secure using the snap‑in clips (standard) or mounting ears. No additional hardware needed.
4. Wiring: Connect wires to the 0.250” quick‑connect terminals according to the circuit diagram. Use MIL‑spec wire (18‑20 AWG) and insulated terminals.
5. Sealing (optional): If using a silicone boot seal, stretch it over the actuator before panel insertion. Ensure the boot flange seats flush against the panel.
6. Functional test: Apply power and operate the rocker. Verify continuity across contacts using a multimeter. For illuminated versions, check LED brightness.
7. Maintenance: Periodically inspect for cracked housing or loose terminals. Clean with a soft brush and mild detergent – do not immerse.

Pro tip for avionics engineers: For NVIS (Night Vision Imaging System) compatibility, specify the “N” option with filtered LED (green or red at 590‑670 nm). YM can provide custom legend engraving on the rocker cap (e.g., “ON/OFF”, “MASTER”, “FUEL PUMP”).

Application Scenarios & Key Buyer Benefits

Typical Military & Civil Aviation Uses

• Cockpit control panels: Master arm switch, landing gear control, fuel pump selector, and avionics master power.
• Weapon systems: Missile arming, jettison controls, and gun selector switches – momentary action with protective cover.
• Ground support equipment (GSE): Mobile generators, air carts, and hydraulic test stands – durable for field environments.
• Helicopter & UAV ground control stations: Camera power, payload release, and communication switching – lightweight and sealed.
• Military vehicles & naval systems: Lighting control, intercom selection, and auxiliary power switching.

Direct Value to International Buyers (Defense OEMs, MROs, Panel Builders)

• Enhanced safety & reliability: Positive detent and high insulation prevent accidental actuation and arc‑over – meets MIL‑STD‑1472 human factors requirements.
• Reduced lifecycle cost: Sealed construction and corrosion‑resistant terminals eliminate switch failures caused by moisture and dust – lowers spare parts consumption.
• Easy retrofitting: Standard panel cutout and terminal spacing allow direct replacement of legacy switches (e.g., Honeywell, Eaton, Carling) – no panel rework.
• Supply chain consolidation: The ZKP series complements YM’s full line of aircraft rocker switches, aviation swing arm switch, press switch, and protect switch – one qualified source for all cockpit control needs.

For new aircraft programs, YM offers custom actuator colors, legend engraving, and wire harness assembly. Engineering samples available for qualification testing.

Certifications & Compliance

• MIL-PRF-8805 (switches, sensitive, snap‑action, general specification).
• RTCA/DO-160G (environmental conditions for airborne equipment – Category A2, S, and R).
• MIL-STD-810G (environmental – temperature, humidity, vibration, shock, salt fog, altitude).
• MIL-STD-202 (test methods for electronic and electrical component parts).
• AS9100D (aerospace quality management).
• RoHS & REACH compliant – full material declaration available.

Each ZKP switch is 100% tested for contact resistance, dielectric strength, insulation resistance, and mechanical operation. Lot traceability per AS9100 is maintained. First Article Inspection (FAI) reports per AS9102 are provided upon request.

Customization Options

YM supports tailored ZKP series variants for volume OEM orders. Customizations include:

• Circuit & action: SPST, SPDT, DPST, DPDT; momentary, maintained, or center‑off.
• Illumination: Non‑illuminated, LED (red, green, amber, white, blue), incandescent (5V, 14V, 28V), or NVIS compatible.
• Actuator color & marking: Black, white, gray, red, yellow; laser engraved text or symbols (e.g., “ON‑OFF”, “ARM”, “START”).
• Sealing level: IP67 front panel (standard), IP68 (with boot), or unsealed (for dry applications).
• Terminal style: 0.250” quick‑connect, solder lug, or wire leads (pre‑stripped).
• Contact material: Silver‑cadmium oxide (standard, 10A), gold‑plated (low‑level, 1A), or palladium (dry circuit).

Our engineering team provides free feasibility analysis and 3D models for integration. Minimum order quantities for custom options apply – contact YM with your specification sheet.

Production Process & Quality Assurance (AS9100D Certified)

YM’s aviation switch production line follows a zero‑defect, fully traceable process designed to meet the stringent demands of military and commercial aerospace customers.

• Raw material control: 100% certification of plastic resins, metal stampings, contacts, and wire – traceable to mill test reports and batch certificates.
• Precision molding & stamping: Automated injection molding (UL94 V‑0) and high‑speed contact stamping with in‑process vision inspection.
• Contact riveting & assembly: Precision riveting of silver alloy contacts; dynamic force testing to ensure ≤50mΩ resistance.
• Seal application: Silicone rubber gasket installation and panel seal leak testing per IP67.
• 100% functional test: Automated test system measures contact resistance, insulation resistance (500V DC), dielectric strength (1000V AC), and actuator force.
• Environmental sample testing: Each lot undergoes thermal cycling (-55°C to +85°C, 20 cycles), vibration (10g RMS), and life cycle test (25,000 cycles at rated load).
• Final documentation: Dimensional report, electrical test record, C of C, and FAI (if required) provided with each shipment.

With decades of experience in military grade switch and aviation encoding switch manufacturing, YM has supplied over 500,000 switches to global defense and commercial aviation customers. The ZKP series is built to exceed the reliability expectations of modern cockpit and weapon systems.