
📌 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)
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)
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