KCD2 KCD4 Rocker Switch
⚡ Industrial Grade · CE Certified

ON/OFF Square Rocker Switch
KCD2 · KCD4 — Red LED Illuminated
30A · 250VAC · 4-Pin

🔴 POWER · RELIABILITY · PRECISION

Engineered for professionals, makers & automotive enthusiasts
Thickened silver-plated terminals · Electrical life ≥ 10,000 cycles

🏭 INDUSTRIAL 🚗 AUTOMOTIVE 🔧 DIY ELECTRONICS ⛵ MARINE ✅ CE CERTIFIED
KCD2-201N-B Compact · 30×22mm panel cut
KCD4-201N-B Large · Reinforced body
High Power Rating
30A / 250VAC — handles heavy loads without failure or overheating
🔴
Built-in LED Indicator
Red illuminated button — instantly visible in any lighting condition
🔩
Snap-In Design
No screws needed — clips instantly into panel cutout in seconds
🛡️
Silver-Plated Terminals
Thickened silver contacts for maximum conductivity & long-term durability
✨ Product Description

Looking for a rugged, reliable and high-performance switch for your electrical panel, vehicle dashboard or industrial equipment? The KCD2 / KCD4 Rocker Switch is built to exceed your expectations. ⚡

The thickened silver-plated terminals ensure optimal electrical conductivity even under high current, preventing heat buildup and degradation over time. The reinforced ABS plastic housing withstands demanding environments — vibrations, heat and moisture included. 💪

Thanks to the snap-in mounting system, installation takes just seconds: cut a 30×22mm hole, push the switch in and it locks in place — done. The built-in red LED gives you instant visual feedback on circuit status, day or night. With 4 clearly identified pins, wiring is simple and intuitive for both beginners and professionals.

💡 Electrical life ≥ 10,000 cycles — A switch built to outlast your project, not fail it.
🔌 4-Pin Wiring Guide
📍 Pin Layout — Top View
Top row
1
COM
(Power In)
2
LED +
(Light)
Bottom row
3
NO
(Load Out)
4
LED −
(Ground)
Pin 1 → COM (Power supply)  |  Pin 3 → NO (Load / output)
💡 Pin 2 → LED+ (Positive for LED)  |  Pin 4 → LED− (Negative / GND)
ON = I (top) · OFF = O (bottom) — as marked on the button
🔧 Applications
🚗

Automotive Dashboard

🏭

Industrial Machinery

🔌

Power Supply Units

Marine & Boating

🔬

DIY Electronics Lab

💡

Lighting Control

📋 Technical Specifications
SpecificationValue
🏷️ ModelsKCD2-201N-B & KCD4-201N-B
⚡ Current Rating30A
🔋 Voltage Rating250VAC
🌡️ Thermal ClassT125
♾️ Electrical Life≥ 10,000 cycles
🔆 LED IndicatorRed — built-in
🔌 Number of Pins4 pins (COM / NO / LED+ / LED−)
🔩 TerminalsThickened silver-plated spade contacts
📐 Body Size (KCD2)31.6 × 31 × 24.7 mm
🔲 Panel Cutout30 × 22 mm
🏗️ MountingSnap-in (no screws required)
✅ CertificationCE CE
🛡️ Our Commitments
🚀

Fast & Tracked Shipping

💎

Industrial Grade Quality

🤝

Money Back Guarantee

📦

Secure Packaging

⚡ Power up your project with a switch
that will never let you down!
Industrial quality · Proven reliability · Competitive price
🔴 LIMITED STOCK — ORDER NOW