Datasheet

ManualsBrandsSIEMENS ManualsSolid State RelaysSSR 1 pc(s) Current load (max.): 70 A Zero crossing

Data sheet 3RF21 70-1AA45

SEMICONDUCTOR RELAY 3RF2, 1-PH. WIDTH 22.5

MM, 70 A 48-600V / 4-30V DC SCREW CONNECTION

BLOCKING VOLTAGE 1200V

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 _1 of the accessories that can

be ordered

terminal cover

Manufacturer article number _1 of the accessories

that can be ordered

3RF2900-3PA88

Product designation _2 of the accessories that can

be ordered

power regulator

Manufacturer article number _2 of the accessories

that can be ordered

3RF2990-0HA16

Product designation _3 of the accessories that can

be ordered

converter

Manufacturer article number _3 of the accessories

that can be ordered

3RF2900-0EA18

Product designation _4 of the accessories that can

be ordered

load monitoring

3RF21 70-1AA45 Changes preserved

Page 1/

Summary of content (6 pages)

PAGE 1
Data sheet 3RF21 70-1AA45 SEMICONDUCTOR RELAY 3RF2, 1-PH. WIDTH 22.
PAGE 2
Manufacturer article number _4 of the accessories that can be ordered 3RF2990-0GA16 Product designation _5 of the accessories that can be ordered load monitoring, basis Manufacturer article number _5 of the accessories that can be ordered 3RF2920-0FA08 Ambient temperature ● during operation °C -25 ... +60 ● during storage °C -55 ... +80 m 1 000 Installation altitude at height above sea level maximum Vibration resistance acc. to IEC 60068-2-6 2g Shock resistance acc.
PAGE 3
Apparent power loss maximum V·A 94 Surge current resistance Rated value A 1 200 I2t value maximum A²·s 7 200 Short-circuit protection, design of the fuse link Control circuit/ Control: Type of voltage of the control supply voltage DC Control supply voltage 1 ● at DC — Initial rated value V 4 — Final rated value V 30 V 1 mA 2 mA 15 Control supply voltage ● at DC Full-scale value for signal<0> recognition Control current ● at minimum control supply voltage — at DC ● at DC Rated value
PAGE 4
● for auxiliary and control contacts 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²) — solid — finely stranded — with core end processing 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²) — without core end processing 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²) Connectable conductor cross-section ● for main contacts mm² 1.5 ... 6 mm² 1 ... 10 mm² 0.5 ... 2.5 — with core end processing mm² 0.5 ... 2.5 — without core end processing mm² 0.5 ... 2.
PAGE 5
General Product Approval EMC Declaration of Conformity Test Certificates Typprüfbescheinigu ng/Werkszeugnis other Umweltbestätigung 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.
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last modified: 3RF21 70-1AA45 Page 6/6 17.07.2015 22.09.