Siemens 1-phase solid state relay 3RF21 1 pc. 3RF2120-1AA45 Load current 20 A
Product details
Siemens Digital Industrial Semiconductor Relay 3RF2120-1AA45
Manufacturer: Siemens Digital Industrial
Designation: Semiconductor Relay 22.5 mm, 20 A
Type: 3RF2120-1AA45
Rated Control Supply Voltage Us at DC: 4..30 V
Voltage Type for Actuation: DC
Operating Voltage: 48 V
Rated Operational Current Ie at AC-1: 20 A
Rated Operational Current Ie at AC-51: 20 A
Number of Phases: 1
Suitable for Rail Mounting: Yes
Further Details:
Semiconductor relay, single-phase 3RF2, width 22.5 mm, 20 A, 48-600 V / DC 4-30 V, screw connection, blocking voltage 1200 V. SIRIUS 3RF21 semiconductor relay for switching resistive/inductive loads, e.g., for heaters or valves in a filling system. The devices switch wear-free and silently, making them ideal for noise-sensitive areas (offices, hospitals). They are also extremely reliable at high switching frequencies. The compact design saves space on the cooling surface. Additionally, the semiconductor relays can be easily expanded for various applications by simply clicking on the standardized function modules 3RF29. The devices are globally approved (e.g., IEC and UL/CSA). The semiconductor relays are available as single-phase devices in two widths or as three-phase devices. They are offered for various power ratings and rated operational voltages. Designed for AC or DC actuation, they come with screw, spring-loaded, or ring terminal connections. Accessories include not only the function modules 3RF29 but also control plugs and terminal covers. Simple, efficient, always up-to-date - the SIRIUS system modular concept.
EAN: 4011209652583.
input voltage | 48 V |
Scope of delivery | 1-phase solid state relay 3RF21 1 pc. 3RF2120-1AA45 Load current 20 A |
Output voltage | 600 V |
Output current type | AC |
Electric current output | 20 A |
Relay type | Power contactor |
Item number | 17948692 |
Manufacturer | Siemens |
Category | Relays |
Manufacturer no. | 3RF2120-1AA45 |
Release date | 17.12.2021 |
External links |
Relay type | Power contactor |
input voltage | 48 V |
Output voltage | 600 V |
Electric current output | 20 A |
Output current type | AC |
Resistor | 20000 Ω (ohm) |
Manufacturer Type | 3RF2120-1AA45 |
Smart Home | Compatible |
Country of origin | China |
Manufacturer commitment | RE100, SBTi |
Manufacturer compensation | According to RE100, the manufacturer Siemens fully compensates for its energy consumption, leading to a reduction in emissions. |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1-phase solid state relay 3RF21 1 pc. 3RF2120-1AA45 Load current 20 A |
Length | 105 mm |
Width | 50 mm |
Height | 45 mm |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Relays» category have a defect within the first 24 months?
Source: Digitec Galaxus- 3.Eltako0.2 %
- 5.Eaton0.3 %
- 5.Siemens0.3 %
- 7.Hager0.8 %
- 8.Schalk0.9 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- SiemensNot enough data
- 1.Hager0 days
- 2.Shelly1 day
- ABBNot enough data
- AqaraNot enough data
Return rate
How often is a product of this brand in the «Relays» category returned?
Source: Digitec Galaxus- 6.Metz Connect2.3 %
- 7.Eaton2.6 %
- 8.Siemens2.8 %
- 9.Hager2.9 %
- 10.Eltako3.2 %