







Kewtech KEWISO5 Advanced Safe Isolation Kit Includes KT5 - Open Jaw Current & Voltage Tester+ KewProve3 - Proving Unit + KewLok Universal lock
KEWISO5
Advanced Safe Isolation Kit – Open Jaw Voltage & Current Testing with KT5, KewProve3 & KewLok
This Advanced Safe Isolation Kit is built for electricians requiring both voltage and current measurement capabilities during safe isolation procedures. Featuring the KT5 open jaw tester, the high-output KewProve3 proving unit, and the universal KewLok lockout device, this kit provides reliable performance and enhanced safety on-site.
- KT5 Open Jaw Tester: Measures up to 200A AC current and 1000V AC / 1500V DC voltage, with both single and two-pole voltage detection.
- Versatile Test Functions: Includes non-contact voltage detection, diode test, frequency, phase rotation, and continuity with adjustable buzzer threshold.
- Backlit LCD & Hold Feature: Clear display with manual backlight control and data hold for improved visibility and convenience in low-light areas.
- KewProve3 Proving Unit: High output with instant ramp-up and step-down to prove multiple voltage levels, compatible with a wide range of detectors.
- KewLok Lockout Device: Universal fit for MCBs and toggle switches, with user-set combination lock and two re-writable warning labels for safe system isolation.
Technical Specification
- Tester: KT5 – Open jaw, 200A AC, 1000V AC / 1500V DC, non-contact detection, DMM functions, phase rotation, continuity, LCD with backlight
- Proving Unit: KewProve3 – High output with voltage stage proving via ramp-up and step-down
- Lockout Device: KewLok – Fits most MCBs and toggle switches, built-in combination lock, 2 warning labels
- Safety Functions: Single pole detection, continuity with adjustable buzzer, measurement hold
- Application: Ideal for safe isolation, current measurement, and multi-function electrical diagnostics
✅ Combine current and voltage testing with full lockout protection using this advanced isolation kit—designed for high-performance site safety!
Product | Tester |
Type | Safety Isolation |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.