Data Sheet

ManualsBrandsSIEMENS ManualsSolid State RelaysSSR 1 pc(s) Current load (max.): 20 A Zero crossing

Data sheet 3RF2120-1AA02

Semiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 24-230 V /

24 V DC screw terminal

Product brand name SIRIUS

Product designation solid-state relay

Product type designation 3RF21

Manufacturer's article number

● _1 / of the accessories that can be ordered

3RF2900-3PA88

● _2 / of the accessories that can be ordered

3RF2920-0HA13

● _3 / of the accessories that can be ordered

3RF2900-0EA18

● _4 / of the accessories that can be ordered

3RF2920-0GA13

● _5 / of the accessories that can be ordered

3RF2920-0FA08

Product designation

● _1 / of the accessories that can be ordered

terminal cover

● _2 / of the accessories that can be ordered

power regulator

● _3 / of the accessories that can be ordered

converter

● _4 / of the accessories that can be ordered

load monitoring

● _5 / of the accessories that can be ordered

load monitoring, basis

General technical data

Product function zero-point switching

Power loss [V∙A] / maximum 28.6V·A

3RF2120-1AA02 Subject to change without notice

Page 1/

Summary of content (7 pages)

PAGE 1
Data sheet 3RF2120-1AA02 Semiconductor relay, 1-phase 3RF2 Width 22.
PAGE 2
Power loss [W] / for rated value of the current / at AC / in hot operating state 28.6 W Insulation voltage ● rated value 600 V Protection class IP IP20 Shock resistance / acc. to IEC 60068-2-27 15g / 11 ms Vibration resistance / acc. to IEC 60068-2-6 2g Reference code / acc. to DIN 40719 extended according to IEC 204-2 / acc. to IEC 750 K Reference code / acc. to DIN EN 81346-2 Q Reference code / acc.
PAGE 3
● at DC / initial value for signal <1> detection 15 V ● at DC / Full-scale value for signal<0> recognition 5V Control current / at minimum control supply voltage ● at DC 2 mA Control current / at DC / rated value 15 mA Switch-on delay time 1 ms; additionally max. one half-wave Off-delay time 1 ms; additionally max.
PAGE 4
● for auxiliary and control contacts / with screwtype terminals 4.5 ... 5.3 lbf·in Design of the thread / of the connection screw ● for main contacts M4 ● of the auxiliary and control contacts M3 Wire stripping length / of the cable ● for main contacts 7 mm ● for auxiliary and control contacts 7 mm Ambient conditions Ambient temperature ● during operation -25 ... +60 °C ● during storage -55 ... +80 °C Electromagnetic compatibility Conducted interference ● due to burst / acc.
PAGE 5
Short-circuit protection, design of the fuse link https://www.automation.siemens.com/cd-static/material/info/3RF24_eng.pdf 47.5 22.5 31.5 4.5 85 69 L 47.5 1 14.5 25 A 1 A2 2 T 13 35.