RS PRO, Model RS ST20 Socket Tester 30mA 230 V

View all Socket Testers

Subtotal (1 unit)*

TWD732.00

(exc. GST)

TWD768.60

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • Plus 144 unit(s) shipping from January 12, 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +TWD732.00

*price indicative

RS Stock No.:
136-5670
Manufacturer:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Product Type

Socket Tester

Voltage

230 V

Current

30mA

Earth Loop Impedance Test

Yes

Number of Pins

3

Wiring Check

Yes

Power Source

Mains

Model Number

RS ST20

Standards/Approvals

RoHS

COO (Country of Origin):
CN

RS PRO Socket Tester 30 mA 230V AC, Model RS ST20


This RS PRO ST20 mains socket tester or socket master is a reliable device you can use to test a range of wiring conditions in your electrical application. The tester allows you to measure correct live, live neutral reverse, live earth reverse as well as missing earth.

It has a strong, compact and ergonomic design with a soft finger grip to guarantee it's safe and easy to use and will last for a long time. It features vivid light-emitting diode (LED) display indicators so you can clearly see the wiring status when testing sockets in your circuit.

This socket tester is compliant with US and European electrostatic control directives (ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007). This means you can be sure the risk of electrostatic discharge is reduced to a minimum.

Features and Benefits


• Current rating of 30 mA

• LED (Light Emitting Diode) display type

• Earth loop impedance test

• Three pins

• Mains power source

• Voltage of 230 V AC

• Wiring checker

Related links