£36.37

Schneider Electric , Thermal overload relay, TeSys LRD, 12...18 A, class 10A, LRD21

White, LRD21

Price data last checked 182 day(s) ago - refreshing...

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

This is the usual price. Wait for it to drop, or tell us your number.

£36 today · usual range £0–£0 · best ever £27

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 549 days • 549 data points (No recent data available)

Historical
Generating forecast...
£47.02 £25.01 £29.81 £34.61 £39.42 £44.22 £49.02 08 June 2024 23 October 2024 09 March 2025 24 July 2025 08 December 2025

Price Distribution

Price distribution over 549 days • 5 price ranges

Days at Price
Current Price
389 days 52 days 49 days · current 29 days 30 days 0 97 195 292 389 £27-31 £31-35 £35-39 £39-43 £43-47 Days at Price

Price Analysis

Most common range: £27-31 (389 days, 70.9%)

Price range: £27 - £47

Price levels: 5 price ranges over 549 days

Key Features

Tesys Deca thermal overload relays are designed to protect a.c. circuits and motors against overloads.

Digital customer experience for technical documents

Multiple international certifications

Pre-mounted on a baseplate with busbar interconnection for quick, simple installation

Product Specifications

Model
LRD21
Colour
White
Size
12-18a
Format
DIY & Tools
Domain
Amazon UK
Release Date
05 December 2017
Listed Since
28 November 2009

Barcode

No barcode data available

Similar Products You Might Like

Schneider Electric, Thermal overload relay, TeSys LRD, 9...13 A, class 10A, LRD16
99% match

Schneider Electric, Thermal overload relay, TeSys LRD, 9...13 A, class 10A, LRD16

Schneider Electric

£31.01 05 Feb 2026
Schneider Electric, TeSys LRD thermal overload relays - 0.25...0.4 A - class 10A, LRD03, T
99% match

Schneider Electric, TeSys LRD thermal overload relays - 0.25...0.4 A - class 10A, LRD03, T

Schneider Electric

£43.52 30 Jan 2026
Schneider Electric, TeSys LRD thermal overload relays - 7...10 A - class 10A, LRD14
99% match

Schneider Electric, TeSys LRD thermal overload relays - 7...10 A - class 10A, LRD14

Schneider Electric

£41.78 16 Feb 2026
Schneider Electric, TeSys LRD thermal overload relays - 0.4...0.63 A - class 10A, LRD04
99% match

Schneider Electric, TeSys LRD thermal overload relays - 0.4...0.63 A - class 10A, LRD04

Schneider Electric

£43.52 30 Jan 2026
Schneider Electric, TeSys D, LRD365, TeSys LRD thermal overload relays - 48...65 A - class 10A
99% match

Schneider Electric, TeSys D, LRD365, TeSys LRD thermal overload relays - 48...65 A - class 10A

Schneider Electric

£49.99 05 Feb 2026
Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 4…6A Adjustment Range, Class 10A, Motor Protection, LRD10
99% match

Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 4…6A Adjustment Range, Class 10A, Motor Protection, LRD10

Schneider Electric

£46.50 13 Feb 2026
Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 0.63…1A Adjustment Range, Class 10A, Motor Protection, LRD05
99% match

Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 0.63…1A Adjustment Range, Class 10A, Motor Protection, LRD05

Schneider Electric

£49.99 31 Jan 2026
Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 16…24A Adjustment Range, Class 10A, Motor Protection, LRD22
99% match

Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 16…24A Adjustment Range, Class 10A, Motor Protection, LRD22

Schneider Electric

£49.57 11 Feb 2026
Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 1.6…2.5A Adjustment Range, Class 10A, Motor Protection, LRD07
99% match

Schneider Electric TeSys LRD - Differential Thermal Overload Relay, 1.6…2.5A Adjustment Range, Class 10A, Motor Protection, LRD07

Schneider Electric

£43.02 30 Jan 2026
Schneider Electric, TeSys LRD thermal overload relays - 37...50 A - class 10A, LRD350
98% match

Schneider Electric, TeSys LRD thermal overload relays - 37...50 A - class 10A, LRD350

Schneider Electric

£115.07 11 Feb 2026
Schneider Electric, TeSys LRD thermal overload relays - 30...40 A - class 10A, LRD340
98% match

Schneider Electric, TeSys LRD thermal overload relays - 30...40 A - class 10A, LRD340

Schneider Electric

£114.92 15 Feb 2026
Schneider Electric, TeSys K - differential thermal overload relays - 3.7...5.5 A - class 10A, LR2K0312
98% match

Schneider Electric, TeSys K - differential thermal overload relays - 3.7...5.5 A - class 10A, LR2K0312

Schneider Electric

£40.52 28 Jan 2026
Schneider Electric, TeSys K - differential thermal overload relays - 8...11.5 A - class 10A, LR2K0316
98% match

Schneider Electric, TeSys K - differential thermal overload relays - 8...11.5 A - class 10A, LR2K0316

Schneider Electric

£40.52 23 Jan 2026
Schneider Electric, TeSys K - differential thermal overload relays - 10...14 A - class 10A, LR2K0321
98% match

Schneider Electric, TeSys K - differential thermal overload relays - 10...14 A - class 10A, LR2K0321

Schneider Electric

£44.08 29 Jan 2026
Schneider Electric, TeSys K - differential thermal overload relays - 0.54...0.8 A - class 10A, LR2K0305
98% match

Schneider Electric, TeSys K - differential thermal overload relays - 0.54...0.8 A - class 10A, LR2K0305

Schneider Electric

£40.52 28 Jan 2026
Schneider Electric, TeSys K - differential thermal overload relays - 1.8...2.6 - class 10A, LR2K0308
98% match

Schneider Electric, TeSys K - differential thermal overload relays - 1.8...2.6 - class 10A, LR2K0308

Schneider Electric

£40.52 29 Jan 2026
Schneider Electric, TeSys K - differential thermal overload relays -2.6...3.7 A - class 10A, LR2K0310
98% match

Schneider Electric, TeSys K - differential thermal overload relays -2.6...3.7 A - class 10A, LR2K0310

Schneider Electric

£40.52 29 Jan 2026
Schneider Electric, TeSys K - differential thermal overload relays - 0.8...1.2 A - class 10A, LR2K0306
98% match

Schneider Electric, TeSys K - differential thermal overload relays - 0.8...1.2 A - class 10A, LR2K0306

Schneider Electric

£39.52 30 Jan 2026
Schneider Electric LRD073 Overload Relay 1.6-2.5A, Tesys Lrd Thermal Overload Relays - 1.6...2.5 A - Class 10A
97% match

Schneider Electric LRD073 Overload Relay 1.6-2.5A, Tesys Lrd Thermal Overload Relays - 1.6...2.5 A - Class 10A

Schneider Electric

£38.07 24 Jan 2026
Schneider Electric TeSys Deca control relay,5NO,=690V,220V AC standard coil,CAD50M7
97% match

Schneider Electric TeSys Deca control relay,5NO,=690V,220V AC standard coil,CAD50M7

Schneider Electric

£39.02 25 Jan 2026
Schneider Electric LR7K0314 Non Differential Thermal Overload Relay 5.5...8A, Tesys K, Class 10A
97% match

Schneider Electric LR7K0314 Non Differential Thermal Overload Relay 5.5...8A, Tesys K, Class 10A

Schneider Electric

£58.02 30 Jan 2026
Schneider Electric TeSys Deca control relay,3NO+2NC,=690V,24V AC standard coil,CAD32B7
97% match

Schneider Electric TeSys Deca control relay,3NO+2NC,=690V,24V AC standard coil,CAD32B7

Schneider Electric

£39.02 26 Jan 2026
ABB TF42-10 Thermal Overload Relay Unit 10 amp (ABB1SAZ721201R1043)
97% match

ABB TF42-10 Thermal Overload Relay Unit 10 amp (ABB1SAZ721201R1043)

ABB

£45.96 09 Jan 2026
Schneider Electric, TeSys D control relay - 3 NO + 2 NC - <= 690 V - 110 V AC standard coil, CAD32F7ay
97% match

Schneider Electric, TeSys D control relay - 3 NO + 2 NC - <= 690 V - 110 V AC standard coil, CAD32F7ay

Schneider Electric

£39.52 23 Jan 2026