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json_url: "https://www.artisantg.com/69704-16/Thermo-E4551KV.json"
generated_at: "2026-11-07T20:25:49.498Z"
last_updated: "2026-10-21T05:35:41.353-05:00"
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# Thermo / Keytek E4551KV 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: Thermo
- Model: E4551KV
- Condition: Used and in Good Condition
- Price: $7,495.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 4.5 lb, estimated
- Shipping dimensions: 12X9X6 in, estimated

## Categories

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

## Details

This Thermo / Keytek E4551KV Combined Surge and EFT Coupler/Decoupler Module has a cracked front panel door; however, this will not prevent it from functioning properly.

### Configuration

- Phase: Single-Phase
- Voltage: 250V rms
- Current Per Phase: 15/16A
- Option E455116V-VI: Enhanced V and I Monitoring

View Photo of Cracked Front Panel Door

View Photo of Left Interior Panel

View Photo of Right Interior Panel

## Images

- <https://www.artisantg.com/itemimages/thermo_keytek_e4551kv_view1_20193691832.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_e4551kv_view2_20193691832.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_e4551kv_view3_20193691832.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_e4551kv_view4_20193691832.jpg>
