Siemens SENTRON 5ST3820 Adapters for Remote Control Auxiliaries

Siemens 5ST3820 adapters for combining 5ST3 remote control auxiliaries (RCA) with RCCBs, RCBOs and 5SM2 RC unit combinations.

Key features

Mechanical coupling of 5ST3 RCA to the basic unit
Adapter selection by basic unit and mounting width
5SM2 RC unit combinations use 5ST3820-3 plus a second adapter
Suitable for standard and COM RCA versions

Specifications

Series	SENTRON 5ST3820
Application	Adapter for 5ST3 RCA
Brand line	SENTRON
Product group	RCA accessories
For	5ST3053…5ST3074, 5ST3072/3073-0MC
Compatible basic units	5SU1, 5SV1, 5SV, 5SM2+5SY/5SL
Source	Siemens Catalog LV 10 · 2026, p. 4/72-4/73

5ST3820-3		For basic unit: 5SM2 + 5SY/5SL combinations (base)
5ST3820-5		For basic unit: 5SU1 (2 MW, 3 MW)

AccessoriesSiemens

2 product codes available in this family

Sourced direct from KoreaExport-ready supplyCompetitive pricing

RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

Siemens SENTRON 5ST3820 Adapters for Remote Control Auxiliaries

Brand Siemens·Accessories

Available part numbers (2)

5ST3820-3, 5ST3820-5

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.