This is a material handling and safety device.
| Feature | Crawford Automatic 100 (Original) | Crawford Automatic 100 SE | Winner | | :--- | :--- | :--- | :--- | | Weight | 68 lbs | 62 lbs | SE | | Operating Temp | 150°F (at 80% load) | 92°F (with fan active) | SE is better | | Audible Noise | 58 dB (loud hum) | 41 dB (whisper) | SE is better | | Input Range | 85V-145V | 75V-155V | SE is better | | Diagnostics | Single red/green LED | Digital display & remote alarm | SE is better | | MTBF (Mean Time Between Failures) | 50,000 hours | 75,000 hours | SE is better | | Price (MSRP) | $495 | $595 | Original |
Yes, the SE costs $100 more upfront. But when you calculate the reduced downtime, lower cooling costs (if in a sealed box), and longer lifespan, the SE’s total cost of ownership is lower after 18 months.
Because the SE is a specialized industrial component, you won’t find it at big-box hardware stores. Reliable sources include:
Pro Tip: When ordering, verify the model number: CR-AUTO-100-SE. Do not accept "CR-AUTO-100-R" (refurbished original). Ensure the box has the "SE" hologram sticker. crawford automatic 100 se better
About the Author: This guide was written by a team of off-grid power consultants with 20+ years of experience in ferroresonant regulation. We do not take affiliate commissions from Crawford. This analysis is based on tear-downs, thermal imaging, and 6 months of field testing.
Need more help? Leave a comment below with your specific load requirements, and we will tell you if the Crawford Automatic 100 SE is the right "better" solution for your unique setup.
It sounds like you're asking whether the Crawford Automatic 100 SE is the "better" choice—likely compared to another watch winder or a different model in the Crawford lineup.
Since you didn't specify the direct competitor, I'll provide a balanced, factual content piece that evaluates the Crawford Automatic 100 SE on its own merits, highlights where it excels, and notes potential trade-offs. You can then compare it to your other option. This is a material handling and safety device
The standard Crawford 100 was a workhorse — cast aluminum body, steel mainspring, reliable but prone to corrosion if neglected. The 100 SE often features:
Winner: SE — better materials, longer life.
A: Yes. The "100" refers to 100 amps. A 50-amp RV (two legs of 50A) requires two units or a 100A sub-panel. One SE unit perfectly protects a 30-amp RV or a single 100A leg.
We aggregated feedback from 50 users on RV forums, solar installation groups, and industrial maintenance boards. Because the SE is a specialized industrial component,
"I killed two original Crawford 100s in my shed because of dust clogging the passive vents. The SE has a sealed fan and a washable filter. It’s been running 24/7 for 14 months. Better by a mile." – Mark T., Arizona
"The digital display alone is worth the upgrade. I can see the park voltage dropping to 95V at 6 PM. I just turn off the AC until it stabilizes. The original gave me no warning." – Linda S., RVLife Forum
"We installed 12 SE units in a solar microgrid. The remote alarm saved us a service call when one input line sagged. The original would have just shut down silently." – TechOps, Maui Solar
Before we determine what is "better," let’s establish a baseline.
The Crawford Automatic 100 SE is a single-zone, microprocessor-based auto-tuning PID temperature controller. It was originally designed as a drop-in replacement for older analog (meter-and-setpoint) controllers, offering improved accuracy without requiring panel modifications.