Datasheet

ManualsBrandsSIEMENS ManualsSolid State RelaysSSR 1 pc(s) Current load (max.): 50 A Zero crossing

Data sheet 3RF21 50-2AA14

SOLID-STATE RELAY 3RF2, 1-PHASE WIDTH

22.5MM, 50A 48-460V / 24V AC/DC SPRING-LOADED

TERMINALS

General technical data:

product brand name SIRIUS

Product designation solid-state relay

Product function zero-point switching

Number of poles for main current circuit 1

Protection class IP IP20

Product designation _3 of the accessories that can

be ordered

converter

Manufacturer article number _3 of the accessories

that can be ordered

3RF2900-0EA18

Ambient temperature

● during operation

°C -25...+60

● during storage

°C -55...+80

Installation altitude at height above sea level

maximum

m 1000

Vibration resistance acc. to IEC 60068-2-6 2g

Shock resistance acc. to IEC 60068-2-27 15g / 11 ms

Equipment marking acc. to DIN 40719 extended

according to IEC 204-2 acc. to IEC 750

Equipment marking acc. to DIN EN 61346-2 Q

3RF21 50-2AA14 Changes preserved

Page 1/

Summary of content (6 pages)

PAGE 1
Data sheet 3RF21 50-2AA14 SOLID-STATE RELAY 3RF2, 1-PHASE WIDTH 22.
PAGE 2
Number of NC contacts for auxiliary contacts 0 Number of NO contacts for auxiliary contacts 0 Number of CO contacts for auxiliary contacts 0 Main circuit: Number of NO contacts for main contacts 1 Number of NC contacts for main contacts 0 Operating current ● Rated value maximum A 50 ● at AC-51 Rated value A 20 ● minimum mA 500 ● at 50 Hz Rated value V 48 ... 460 ● at 60 Hz Rated value V 48 ... 460 ● at 50 Hz V 40 ... 506 ● at 60 Hz V 40 ...
PAGE 3
— at 50 Hz Initial rated value V 14 — at 50 Hz Final rated value V 26.5 — at 60 Hz Initial rated value V 14 — at 60 Hz Final rated value V 26.
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1x (AWG 20 ... 12) — for auxiliary and control contacts ● for auxiliary and control contacts 0.5 ... 1.5 mm² — solid — finely stranded — with core end processing 0.5 ... 2.5 mm² — without core end processing 0.5 ... 2.5 mm² Connectable conductor cross-section ● for main contacts mm² 0.5 ... 2.5 — with core end processing mm² 0.5 ... 1.5 — without core end processing mm² 0.5 ... 2.5 mm² 0.5 ... 1.5 — with core end processing mm² 0.5 ... 2.5 — without core end processing mm² 0.5 ... 2.
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Further information Short-circuit protection, design of the fuse link https://www.automation.siemens.com/cd-static/material/info/3RF21_eng.pdf Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/industrial-controls/catalogs Industry Mall (Online ordering system) http://www.siemens.com/industrymall Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RF21502AA14 Service&Support (Manuals, Certificates, Characteristics, FAQs,...
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last modified: 3RF21 50-2AA14 Page 6/6 17.07.2015 28.09.