Rm4 Tg20
Overview
Product sourcing insights & recommendations


The phrase RM4-TG20 refers to a 3-phase supply control relay originally manufactured by Telemecanique (Schneider Electric). It is a critical industrial automation component used for voltage monitoring and protecting equipment against phase failure and incorrect rotational sequence Rs-OnlineUbuy.
Market Trends & Insights
* Product Status: The original RM4-TG20 was discontinued in early 2021 Radwell. The market has shifted entirely toward its modern successor, the RM22TG20 (Schneider Harmony series), which offers a more compact design and improved reliability Rs-Online.
* Availability: While "New Old Stock" (NOS) or refurbished RM4-TG20 units are still available on platforms like eBay and Alibaba, they are becoming increasingly rare and expensive compared to current models EbayAliexpress.
* Price Range: Current market prices for the legacy RM4-TG20 range from $5 to $66 depending on condition (new vs. used), while the newer RM22TG20 replacement typically sells for $26 to $198 in B2B markets EbayAlibabaAlibaba.
Technical Specifications (RM4-TG20)
The relay is primarily used in elevators, construction machinery, and industrial motors to ensure safe 3-phase operation Rs-Online.
| Feature | Details |
|---|---|
| Main Functions | Phase sequence detection, phase failure, and voltage monitoring Rs-OnlineElmatik |
| Voltage Range | 200 V to 500 V AC (50/60 Hz) RadwellEscoladepintura |
| Output | 2 C/O (Changeover) contacts rated at 8 A Rs-OnlineRadwell |
| Time Delay | No time delay (instantaneous trip upon fault) Elmatik |
| Official Replacement | Schneider RM22TG20 Rs-Online |
The files below contain a curated list of current B2B offerings for both the original RM4-TG20 and its modern replacement RM22TG20, including pricing and supplier details.
Based on these trends, you can continue with:
Rm22tg20 Relay
Products · 2 lists

RM22TG20 Control relay replace RM4TG20 New original
Shenzhen CTW Semiconductor Co., Ltd.🇨🇳CN10 yrs
RM22 Control Relay RM22TG20
Shenzhen Prophet Technology Co., Ltd.🇨🇳CN12 yrs
RM22TG20 Plastic Relay Module Industrial Automation Control Coil Relay for Industrial Use
Shenzhen Yuke Chip Electronics Co., Ltd.verified🇨🇳CN1 yr
Control Relay RM22TG20 Fast Delivery

New Original Relay RM22TG20 RM4-TG20 RM22TR33 RM4TR32/TR34
Shenzhen Goldtech Electronics Co., Limitedverified🇨🇳CN7 yrs
Original Brand New 3 Phase Supply Control Relay RM22TG20 New Original Ready Indtrial Automation PAC Dedicated PLC For PLC

PLC Industrial Control Core Module RM22TG20 RM22-TG20 8A Control Relay Brand New Genuine Products in Stock
Quanzhou Linwangzhuang Technology Co., Ltd.🇨🇳CN1 yr
Quick Shipping RM22TG20 183~528 VAC 8A 2 C/O Schneider Telemacanique Zelio Module 3 Phase Control Relay

Original Genuine Schneider Control Relay RM22TG20 RM22TR33 RM17TU00 RM17TG00
Quanzhou Zeyan Automation Technology Co., Ltd.verified🇨🇳CN3 yrs
RM22TG20 Zelio Phase Control Relay 208-480V AC PLC
Xiamen Luhengpeng Network Technology Co., Ltd.🇨🇳CN2 yrs
New Original Ready Stock Modular 3-phase supply control relay RM22TG20 8A 2CO 183528V AC
Xiamen Wading Trading Co., Ltd.🇨🇳CN1 yr
RM22TR33 RM22TR31 RM22TA33 RM22TA31 RM22TG20 Control Relay Harmony RM22 Series 3Phase Voltage Monitoring Relay

Schnei der RM22 Series 1phase DC Voltage Control Relays 2C/O AC/DC110-240v delay 0.1-30s RM22UA21/22/23/31/32/33MR/33MT/UB34

RELETEK RM-PCR1 Priority Change Relay of 2 Motors AC/DC 24-240V Motor Protective Relay 50/60HZ Electric Motor Relay
Yueqing Reletek Electric Co., Ltd.🇨🇳CN5 yrs
3 Phase Voltage Control Relay RM22TR33 New Original Ready Stock Industrial Automation PAC Dedicated PLC
Zhangpu Ruihang Boda Technology Co., Ltd.🇨🇳CN1 yr
RM22TR33 RM22 Phase Sequence Monitoring Relay New Original Warranty Professional Institutions Can Be Provided for Testing
Shenzhen Hengshenglianying Technology Co., Ltd.🇨🇳CN3 yrs
1PC RM17TG20 Modular 3phase Supply Control Relay,5A,2CO, 20840VAC
Xiamen Global Yipin Trading Co., Ltd.🇨🇳CN2 yrs
RM4TG20 Relay

New Genuine RM4TG20 Phase Sequence Relay RM4-TG20 Overvoltage and Undervoltage Protector
Guangzhou Liye Engineering Co., Ltd.🇨🇳CN5 yrs
Original genuine RXM4AB2BD DC24V Schneider plug-in small intermediate relay

Brand New Electronic Relay RM84-2012-35-5230

1pc Small Relay Rxm2lb2bd Dc24v 5a New Brand New, Original Product with a One-year Warranty
Xiamen Zhiminkong Trading Co., Ltd.🇨🇳CN1 yr
High Quality Schneiders RXM Series RXM3AB2P7/RPM22BD/RPM22P7 Intermediate Relay Relay
Guangzhou Jingpeng Trading Co., Ltd.🇨🇳CN1 yr
0mron MY2N-D2-GS-R DC24 DPDT 10A Industrial Plug-in Electromagnetic Relay Original New in Stock
Teckon Electric (shanghai) Co., Ltd.verified🇨🇳CN10 yrs
Original genuine RXM4AB2BD DC24V Schneider plug-in small intermediate relay

Brand New Electronic Relay RM84-2012-35-5230

1pc Small Relay Rxm2lb2bd Dc24v 5a New Brand New, Original Product with a One-year Warranty

High Quality Schneiders RXM Series RXM3AB2P7/RPM22BD/RPM22P7 Intermediate Relay Relay

0mron MY2N-D2-GS-R DC24 DPDT 10A Industrial Plug-in Electromagnetic Relay Original New in Stock

High Quality Schneiders RXM Series RXM3AB2P7/RPM22BD/RPM22P7 Intermediate Relay Relay
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Sources & References
27 sources cited · Verified industry data & reports

Te 3 Zelio Control measurement and control relays
RS Online
The supply voltage to be monitored is connected to terminals L1, L2, L3 of the product. ... RM4-TG20, TU0i. RM4-TR3i, TA3i. RM4-TA0i. L1, L2, L3. Supply to be ...

New RM4TG20 RM4 TG20 Replace For schneider 3 Phase ...
Ubuy Kosovo
Reliable Three-Phase Voltage Monitoring. The New RM4TG20 RM4 TG20 is designed to ensure the highest precision in voltage monitoring across three-phase systems.

Pengontrol Pemrograman PLC BARU RM4-TG20 MONITORING ...
Alibaba.com
Pengontrol Pemrograman PLC BARU RM4-TG20 MONITORING RELAY RM4TG20, Anda dapat memperoleh detail lebih lanjut tentang Pengontrol Pemrograman PLC BARU ...

1 pc NEW Schneider Servo Drive LXM28EU02M3X Fast ...
eBay
ITEM AS DESCRIBED. NEW IN BOX. SHIPPED QUICKLY. 1PC Schneider RM4TG20 RM4 TG20 Voltage Monitoring Relay 3 Phase New In Box (#177355633755).

Compatible MC1-1000-595-WT-BK Cartridge Ribbon, Vinyl ...
AliExpress
Original RM4TG20 Phase Sequence Relay RM4-TG20 Short Phase Over Voltage Protector · 50,3US $. 12 sold. Paper Tray for Konica Minolta Bizhub C224 C284 C364 C454 ...
Automation and relay functions
Elmatik
... RM4 TG20. 0.110. Rotational direction and presence of phases + undervoltage. Time delay. Rated mains supply voltage (1). Control threshold. Width. Output relay.
