Free Next Day Delivery
on orders over £59 ex vat*

Expert Technical Team
Get advice on 01924 869 615

Same Day Despatch
On orders placed up to 5.30pm

AC Phase and Voltage Detector (Insize)

AC Phase and Voltage Detector (Insize)

Key Features

available Phase sequence detection: Clearly indicates clockwise or counterclockwise phase rotation on the LCD screen
available Determining phase rotation in three-phase systems.
available Verifying live/neutral wiring and detecting voltage presence.
Read More
View Products

Need Help?

Contact Sales

01924 869660 Mon - Thurs 8am - 6pm Fri 8am - 5:30pm
Filter Items arrow
Code Power supply Dimensions Stock Price
(Ex VATInc. VAT)
Filter Items
cross
Power supply
carrat-down
Dimensions
carrat-down
Power supply: 2x1.5V AAA batteries Dimensions: 157x27x23mm
green Available for Delivery within 4-5 Days *
£28.31 £23.59
minus plus

*Geographical & product exclusions apply for next day delivery (calculated on checkout). Any other lead times shown are estimated and subject to availability.

Specification

Category Measuring
Brand Insize

Description

The AC Phase and Voltage Detector is a compact, easy-to-use tool designed for electrical professionals to quickly detect AC phases, voltage presence, and wire polarity. With intuitive visual and audible cues, this versatile detector fits neatly in your pocket and runs on standard AAA batteries—ideal for routine checks in maintenance and installation environments.

Features & Benefits

  • Phase sequence detection: Clearly indicates clockwise or counterclockwise phase rotation on the LCD screen
  • Determining phase rotation in three-phase systems.
  • Verifying live/neutral wiring and detecting voltage presence.
  • Quick voltage checks during electrical installation, troubleshooting, or safety verification.

What time are we open?

We are open Monday to Friday and able to dispatch orders between 8am and 5:45pm Monday to Thursday, and up to 5pm on Friday.

What delivery services do we offer?

To mainland UK we offer FREE UK next day delivery on all standard orders above £59 (ex vat), and £79 (ex vat) on all orders including any liquids.*

Alternatively, we offer a FREE Click and Collect service from our distribution centre in Cleckheaton, West Yorkshire. Click here for the full address.

For standard orders under £59 (ex vat), we offer the following:

  • 1st class post - £2.49
  • DPD Standard Next Day Delivery - £6.50
  • DPD Next Day Pre-12pm - £9.50 or (£5.00 on orders over £59 (ex VAT))
  • DPD Next Day Pre-10.30am - £17.00

For orders containing liquids under £79 (ex vat),  standard UK Mail Next Day Delivery is £8.00 and UK Mail Next Day Pre-12pm Delivery is £13.00.

We also offer Saturday delivery for those that require it. If you order before 5pm on a Friday we offer a range of options which can be viewed here.

For a full breakdown of costs for all types of item and geographical locations including Scottish Highlands, Northern Ireland, Channel Islands & Republic of Ireland, click here.

How do I return an order/item?

Our returns policy is easier than ever. We understand that if an item isn’t correct, then it needs to be returned. If you are wanting to return anything supplied by Cutwel please see our returns page for full instructions.

*T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).