£22.58

Phoenix Contact Phoenix 2987943 Relay Rel-mr-24dc/21-21/ms

2987943

Price data last checked 35 day(s) ago - refreshing...

View at Amazon

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

It has never been this cheap. We have no record of a lower price.

£23 today · cheaper than every other day in the last 3 months

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 56 days • 56 data points (No recent data available)

Historical
Generating forecast...
£22.58 £21.45 £21.90 £22.35 £22.81 £23.26 £23.71 11 March 2026 24 March 2026 07 April 2026 21 April 2026 05 May 2026

Price Distribution

Price distribution over 56 days • 1 price levels

Days at Price
56 days 0 14 28 42 56 £23 Days at Price

Price Analysis

Most common price: £23 (56 days, 100.0%)

Price range: £23 - £23

Price levels: 1 different prices over 56 days

Description

Plug-in miniature relay with power contact, 2 changers, test button, mechanical switching position indicator, status LED, freewheel diode, polarity A1+, A2, input voltage 24 V DC.

Key Features

With lockable manual actuation

Integrated status LEDRPA2023Mechanical switching position indicator

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Product Specifications

Barcode

No barcode data available

Similar Products You Might Like

PHOENIX CONTACT REL-PR1-110DC/1/MB Plug-In High Performance Relay with Power Contacts, 1 NO Contact, 110V DC Coil Voltage
97% match

PHOENIX CONTACT REL-PR1-110DC/1/MB Plug-In High Performance Relay with Power Contacts, 1 NO Contact, 110V DC Coil Voltage

Phoenix Contact

Out of Stock 27 Jan 2026
Schneider Electric SR2 A201FU Relay Intelligent Compact, S/Relógio, 8 Relay Outputs, 20 E S, 8 A Current Output Thermal, 100 – 240 V AC
97% match

Schneider Electric SR2 A201FU Relay Intelligent Compact, S/Relógio, 8 Relay Outputs, 20 E S, 8 A Current Output Thermal, 100 – 240 V AC

Schneider Electric

£269.94 25 Jan 2026
RO/SE PRI-51/16 Power Monitoring Relays, Power Range 16A / 24-240V AC + 24V DC
97% match

RO/SE PRI-51/16 Power Monitoring Relays, Power Range 16A / 24-240V AC + 24V DC

RO/SE

£73.86 07 Feb 2026
ELEGOO 4-Channel 5V Relay Module with Optocoupler
97% match

ELEGOO 4-Channel 5V Relay Module with Optocoupler

ELEGOO

£6.59 26 May 2026
Schneider Electric, Zelio Control, RM17TU00, Modular Multifunction 3 phase supply control Relay, 5A, 1CO, 208-480VAC
97% match

Schneider Electric, Zelio Control, RM17TU00, Modular Multifunction 3 phase supply control Relay, 5A, 1CO, 208-480VAC

Schneider Electric

£101.99 05 May 2026
Schneider Electric, SSP3A225BDT, Zelio Solid state panel mount relay, 25 A, zero voltage switching, thermal pad, input 4-32 V DC, output 48-530 V AC
97% match

Schneider Electric, SSP3A225BDT, Zelio Solid state panel mount relay, 25 A, zero voltage switching, thermal pad, input 4-32 V DC, output 48-530 V AC

Schneider Electric

£162.55 09 Feb 2026
Schneider Electric modular smart relay, Zelio Logic SR2 SR3, 26 IO, 24V DC, clock, display, 10 relay outputs
97% match

Schneider Electric modular smart relay, Zelio Logic SR2 SR3, 26 IO, 24V DC, clock, display, 10 relay outputs

Schneider Electric

£318.45 29 Apr 2026
ABB RB121PG-5V DC Interface Relay R600 1c/o, A1-A2=5V DC, 5-250V AC/10mA-6A (ABB1SNA645036R2500)
97% match

ABB RB121PG-5V DC Interface Relay R600 1c/o, A1-A2=5V DC, 5-250V AC/10mA-6A (ABB1SNA645036R2500)

ABB

£63.03 11 Mar 2026
Schneider Electric, Zelio Control, RM17TG00, Modular 3 Phase Supply Control Relay, 5A, 1 CO, 208-480VAC
97% match

Schneider Electric, Zelio Control, RM17TG00, Modular 3 Phase Supply Control Relay, 5A, 1 CO, 208-480VAC

Schneider Electric

£66.46 24 Jan 2026
Schneider Electric, Zelio Control, RM17TG20, Modular 3 Phase supply control relay, 5A, 2CO 208-480VAC
97% match

Schneider Electric, Zelio Control, RM17TG20, Modular 3 Phase supply control relay, 5A, 2CO 208-480VAC

Schneider Electric

£60.02 31 Jan 2026
ABB RB121P-5V DC Interface Relay R600 1c/o, A1-A2=5V DC, 5-250V AC/60mA-6A (ABB1SNA645034R2300)
97% match

ABB RB121P-5V DC Interface Relay R600 1c/o, A1-A2=5V DC, 5-250V AC/60mA-6A (ABB1SNA645034R2300)

ABB

£64.72 26 Apr 2026
ABB RB122G-230VUC Interface Relay R600 2c/o, A1-A2=230V AC/DC, 5-250V AC/10mA-8A (ABB1SNA645013R2600)
97% match

ABB RB122G-230VUC Interface Relay R600 2c/o, A1-A2=230V AC/DC, 5-250V AC/10mA-8A (ABB1SNA645013R2600)

ABB

£83.58 31 May 2026
Schneider Electric, Zelio Control, RM35TF30, Multifunction Phased Control Relay RM35-T. Range 194
97% match

Schneider Electric, Zelio Control, RM35TF30, Multifunction Phased Control Relay RM35-T. Range 194

Schneider Electric

£156.84 05 Feb 2026
Schneider Electric, Zelio Control, RM35JA32MW, Modular 1-phase current control relay, 5A, 2CO, 150mA-15A 24-240VAC/DC
97% match

Schneider Electric, Zelio Control, RM35JA32MW, Modular 1-phase current control relay, 5A, 2CO, 150mA-15A 24-240VAC/DC

Schneider Electric

£96.52 29 Jan 2026
ABB RB121-230VUC Interface Relay R600 1c/o, A1-A2=230V AC/DC, 5-250V AC/60mA-6A (ABB1SNA645004R0400)
97% match

ABB RB121-230VUC Interface Relay R600 1c/o, A1-A2=230V AC/DC, 5-250V AC/60mA-6A (ABB1SNA645004R0400)

ABB

£63.60 23 Apr 2026
Bosch Smart Home relay switch, for digital control of electronic devices and lighting, compatible with Amazon Alexa, Google Assistant and Apple HomeKit
97% match

Bosch Smart Home relay switch, for digital control of electronic devices and lighting, compatible with Amazon Alexa, Google Assistant and Apple HomeKit

Bosch

£52.77 26 Jan 2026
ABB RB121-24VUC Interface Relay R600 1c/o, A1-A2=24V AC/DC, 5-250V AC/60mA-6A (ABB1SNA645001R0300)
97% match

ABB RB121-24VUC Interface Relay R600 1c/o, A1-A2=24V AC/DC, 5-250V AC/60mA-6A (ABB1SNA645001R0300)

ABB

£51.78 29 Jan 2026
ABB RB121G-24VUC Interface Relay R600 1c/o, A1-A2=24V AC/DC, 5-250V AC/10mA-6A (ABB1SNA645005R0700)
97% match

ABB RB121G-24VUC Interface Relay R600 1c/o, A1-A2=24V AC/DC, 5-250V AC/10mA-6A (ABB1SNA645005R0700)

ABB

£24.50 24 Apr 2026
Schneider Electric, SSP1A150BDT, Zelio Solid state panel mount relay, 50 A, zero voltage switching, thermal pad, input 3-32 V DC, output 24-300 V AC
97% match

Schneider Electric, SSP1A150BDT, Zelio Solid state panel mount relay, 50 A, zero voltage switching, thermal pad, input 3-32 V DC, output 24-300 V AC

Schneider Electric

£60.52 30 May 2026
Schneider Electric LT4706M7S Relay 0.5A 6A 220V, Elec Rly 0.5A 6A 220V Ac Man
97% match

Schneider Electric LT4706M7S Relay 0.5A 6A 220V, Elec Rly 0.5A 6A 220V Ac Man

Schneider Electric

£76.90 17 Dec 2025
Schneider Electric sr2 a201bd Relay Intelligent Compact, S/Relógio, 8 Relay Outputs, 20 E S, 8 A Current Output Thermal, 24 V DC
97% match

Schneider Electric sr2 a201bd Relay Intelligent Compact, S/Relógio, 8 Relay Outputs, 20 E S, 8 A Current Output Thermal, 24 V DC

Schneider Electric

£261.85 11 May 2026
Blue Seal 024562 Relay, 25A, 250 VAC
97% match

Blue Seal 024562 Relay, 25A, 250 VAC

Blue Seal

£95.05 04 Feb 2026
Schneider Electric, SSP1D440BDT, Zelio Solid state panel mount relay, 40 A, DC switching, thermal pad, input 3.5-32 V DC, output 1-150 V DC
97% match

Schneider Electric, SSP1D440BDT, Zelio Solid state panel mount relay, 40 A, DC switching, thermal pad, input 3.5-32 V DC, output 1-150 V DC

Schneider Electric

£72.82 11 Feb 2026
Voltage test relay 3-phase 1P 10A 150-210/230-260V AC CP-730 f&f 5908312597308
97% match

Voltage test relay 3-phase 1P 10A 150-210/230-260V AC CP-730 f&f 5908312597308

F2

£73.42 03 May 2026