When you're choosing between these two parts, both of which sit under the sensors encoders machine safety umbrella, the price gap is stark. But the gap reflects different jobs, not a quality race. The Industrial Safety Edge Sensor Strip Contact Ribbon Switch is a contact-style edge switch for safety sensing. The EC11 Rotary Encoder is a rotary control for PCB assembly. Your decision comes down to whether you need to sense contact along an edge or read rotation from a knob.
Quick verdict
Buy the Industrial Safety Edge Sensor Strip Contact Ribbon Switch when you need a physical edge switch for contact-based safety sensing. Buy the EC11 Rotary Encoder when you need a compact rotary control. Neither replaces the other; the right choice depends on whether your machine-safety task is about sensing pressure on an edge or providing a user input knob.
Comparison table
| Product | Listed price | Price bar | What it does | Best if you need |
|---|---|---|---|---|
| Industrial Safety Edge Sensor Strip Contact Ribbon Switch | USD 29.96 | Edge/ribbon contact switch for safety sensing | An edge or perimeter contact sensor | |
| EC11 360 Degree Rotary Encoder | USD 2.50 | Rotary encoder with push-to-actuate switch | A knob-style rotary input with click |
Where each product wins
The Industrial Safety Edge Sensor Strip Contact Ribbon Switch wins when the goal is edge or perimeter contact sensing. It is a strip-style switch, so it can be integrated into a machine-safety edge application.
The EC11 Rotary Encoder wins when you need a compact rotary control with a D shaft. It is the one that produces rotary pulses.
Product notes
Industrial Safety Edge Sensor Strip Contact Ribbon Switch
Choose this one when the job is contact sensing along an edge. The part is a strip/ribbon switch, so it fits safety edge applications where you need to detect physical contact along a machine edge rather than read a rotating shaft. The one caveat is the condition note: it is listed as "New other (see details)" rather than "New." That condition note matters more if you are integrating the part into a finished product rather than a prototype. For a project where an edge/ribbon contact switch is the core requirement, this is the only one of the two that answers that need.
EC11 Rotary Encoder
For a control knob, menu dial, or position input, the EC11 is the practical PCB-mount option. It uses a D shaft, mounts through hole, and gives you 20 pulses per revolution with directional rotation. It also includes a push-to-actuate momentary switch, so a single component handles both rotation and click. The weak spot is electrical: the switch contacts are rated at 5V and 10mA, so this is a signal-level part. Do not plan to switch higher-power loads with it. The California Prop 65 warning is another note to keep in mind. If your project needs a compact rotary encoder with integrated push-button input on a PCB, the EC11 is the one that fits.
Final choice by use case
If your use case is machine-safety contact sensing along an edge or perimeter, go with the USD 29.96 Industrial Safety Edge Sensor Strip Contact Ribbon Switch. It is the part designed as a contact ribbon switch. If your use case is a control panel, prototype, or PCB input where you need a knob, go with the USD 2.50 EC11 Rotary Encoder. It gives you rotary position in a through-hole PCB package. When both needs exist, they are not substitutes; the part that matches the specific safety or control task is the one to buy.
