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Operating frequency: Mechanical: 120ops/min Electrical: 30ops/min
Insulation resistance: >100MΩ @ 500V DC
Rated enclosed heating current: 10A (EN60947-5-1)
Electrical rating: UL/cUL Listed(E216958) for AC15 A300/ DC13 Q300
Withstand voltage: 1000VAC 50/60Hz 1 minute between terminals of the same level,
2500VAC 50/60Hz 1 minute between sub-to-ground or unloaded metal
Life: 10,000,000 mechanical times, 500,000 electrical times
Ambient temperature: -25~80℃ without formation of ice
Cable: 5-core 0.75mm2 (except for quick-connect type) Diameter: 7.3mm, material: PVC
Protection level: IP67
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- Q: Do you have a size conversion chart for international customers?
A: Yes, we provide size conversion charts for international customers on our website. These charts help you convert sizes between different measurement systems, ensuring you select the appropriate size for your region. They can usually be found in the product description or on the size guide page.
Reviews
- M
Matt Sheldon
Feb 26, 2026
SUNS Switch SN3121Fast shipping, thanks for the prompt service!HelpfulUnhelpful - R
Robin Poole
Jan 14, 2026
SUNS Switch SN3121I found what I was looking for.HelpfulUnhelpful - R
RICKY Verret
Sep 14, 2025
SUNS Switch SN3121I was impressed with the service quality.HelpfulUnhelpful - S
Scott Weimer
Apr 03, 2024
SUNS Switch SN3121Not a big deal. Shipping took a bit longer than I thought it would, but this thermocouple is a quality product and it's always good to have one on hand.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
SUNS Switch SN3121All was ok! No problems whatsoever.HelpfulUnhelpful
SUNS Switch SN3121
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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