---
type: product
schema_version: 1
stock_number: "97850-3"
canonical_url: "https://www.artisantg.com/97850-3/Keytek-587-PLUS"
json_url: "https://www.artisantg.com/97850-3/Keytek-587-PLUS.json"
generated_at: "2026-11-07T09:45:41.802Z"
last_updated: "2026-10-27T05:35:41.877-05:00"
---

# Thermo / Keytek 587-PLUS Surge Mainframe (w/ S1/S3 Surge Network 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: 587-PLUS
- Condition: Used and in Excellent Condition
- Price: $4,250.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 2 lb, estimated
- Shipping dimensions: 8X8X3 in, estimated

## Categories

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

## Details

### Includes

- Keytek C1-587 Removeable Interlocked Output Terminal Cover
- Keytek C2-587 Removeable Interlocked Output Terminal Conversion Cover with Built-In 20A AC Output Socket
- Keytek F1-587 Surge Line Extension Cable, 277V, 20A (Approximate Length: 9 Feet)

### S1/S3 Surge Network Module Configuration

- 100 kHz Ring Wave at Both 200 A and 500 A, 0-6 kV
- Bi-Wave 1.2 x 50 µs Peak Open Circuit Voltage, 0-6 kV
- Bi-Wave 8 x 20 µs Peak Short Circuit Current, 0-3 kA

## Images

- <https://www.artisantg.com/itemimages/thermo_keytek_587_plus_view1_2024724151913.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_587_plus_view2_2024724151913.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_587_plus_view3_2024724151913.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_587_plus_view4_2024724151913.jpg>
- <https://www.artisantg.com/itemimages/thermo_keytek_587_plus_view5_2024724151913.jpg>
