ELCOM ROCKER SWITCH KRSF-11

📌 1. General Overview

Model: RSF-11 (often written as KRSF-11 / RSF-11)

Type: Rocker Switch

Operation: ON / OFF (latching type)

Contact Configuration: SPST (Single Pole Single Throw)

Illumination: Non-illuminated (standard version)

Mounting: Panel mount (snap-in type)

👉 This is a basic ON/OFF power switch commonly used in electrical devices.

⚡ 2. Electrical Specifications

Parameter Specification

Rated Voltage 250 VAC

Rated Current 4 A

Contact Resistance ≤ 10 mΩ

Insulation Resistance ≥ 100 MΩ @ 500V DC

Dielectric Strength 1.5 kVAC (1 minute)

Frequency 50/60 Hz

🔧 3. Mechanical Specifications

Parameter Specification

Switch Type Rocker (ON/OFF)

Mounting Style Snap-in panel mount

Terminal Type Solder / Fast-on (4.8 × 0.8 mm)

Panel Thickness Up to ~3 mm

Weight ~3–5 g

🌡️ 4. Environmental Specifications

Parameter Specification

Operating Temperature −20°C to +85°C

Soldering Temperature 270°C for 5 sec max

🔄 5. Life & Reliability

Parameter Specification

Electrical Life ≥ 10,000 cycles

Mechanical Life Typically higher

🧱 6. Material Details

Part Material

Housing Nylon

Actuator (rocker) Nylon (Red/Black)

Terminals Copper alloy / Brass

Contact Silver plated

🔌 7. Terminal & Wiring

Basic SPST Connection:

[ 1 ] ─────── [ 2 ]

ON/OFF SWITCH

Only 2 terminals

When ON → circuit closed

When OFF → circuit open

📏 8. Typical Dimensions (Approx.)

Panel cut-out: ~19.4 mm × 12.9 mm

Compact size suitable for small panels

🏭 9. Applications

Power ON/OFF switches in devices

Power supplies

Extension boards

DIY electronics

Home appliances

Industrial control panels

⭐ 10. Key Features

Simple ON/OFF operation

Compact and easy to install

Reliable for low–medium power loads

Low contact resistance

Durable (10,000+ cycles)

📌 Simple Summary

👉 The ELCOM RSF-11 (KRSF-11) is:

4A, 250V AC

SPST ON/OFF rocker switch

Panel mount (snap-in)