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last_updated: "2026-10-23T06:16:04.907-05:00"
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# Thermo / Keytek E4551 Combined Surge and EFT Coupler/Decoupler Module

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Keytek
- Model: E4551
- Condition: Used and in Excellent Condition
- Price: $6,995.00 USD
- Availability: In stock, 2 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 2.8 lb, estimated
- Shipping dimensions: 12X9X6 in, estimated

## Categories

- Test Equipment > Electrical Test > EMC Testers (primary)

## Images

- <https://www.artisantg.com/itemimages/thermo_keytek_e4551_view1_201891514117.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_e4551_view2_201891514117.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_e4551_view3_201891514117.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_e4551_view4_201891514117.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_e4551_view5_201891514117.jpg>
