Siemens Indus.Sector Semiconductor Contactor 3RF2420-1AC55
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Product details
Siemens Digital Industry Semiconductor Relay 3RF2420-1AC55
Manufacturer: Siemens Digital Industry
Designation: Semiconductor Relay AC51 20A 40 Degrees
Type: 3RF2420-1AC55
Rated Control Supply Voltage Us at AC 50 Hz: 180..230 V
Rated Control Supply Voltage Us at AC 60 Hz: 180..230 V
Voltage Type for Actuation: AC
Operating Voltage: 48 V
Rated Operating Current Ie at AC-1: 22 A
Rated Operating Current Ie at AC-51: 22 A
Number of Phases: 3
Suitable for Rail Mounting: Yes
Additional Details:
Three-phase semiconductor relay 3RF2 AC 51 / 20 A / 40 °C 48-600 V / 230 V AC 3-phase controlled with screw connection, blocking voltage 1200 V. SIRIUS 3RF24 semiconductor relay for switching resistive/inductive loads, e.g., heaters or valves in a filling plant. 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. With the heat sink already integrated, they can be directly installed in the control cabinet. The compact design saves space on the DIN rail. The semiconductor relays can also be easily expanded for various applications using the standardized function modules 3RF29 by simply clicking them on. The devices are globally approved (e.g., IEC and UL/CSA). The semiconductor relays are available as single-phase or three-phase devices. They are offered for different power ratings and rated operating 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: 4011209646940.
Relay type | Power contactor |
input voltage | 230 V |
Output voltage | 600 V |
Electric current output | 22 A |
Output current type | AC |
Number of poles | 3x |
Item number | 33748019 |
Manufacturer | Siemens |
Category | Relays |
Manufacturer No. | 3RF2420-1AC55 |
Release date | 17.5.2023 |
Relay type | Power contactor |
input voltage | 230 V |
Output voltage | 600 V |
Electric current output | 22 A |
Output current type | AC |
Number of poles | 3x |
Smart home | Not compatible |
Country of origin | Germany |
Manufacturer commitment | RE100, SBTi |
CO₂ emissions | 29.26 kg |
Climate contribution | CHF 0.70 |
Scope of delivery | 1 pc. |
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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- 9.Hager0.5 %
- 9.Schalk0.5 %
- 11.Siemens0.9 %
- 12.Shelly1 %
- 13.Aqara1.2 %
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.Shelly2 days
- ABBNot enough data
- AqaraNot enough data
- EatonNot enough data
Return rate
How often is a product of this brand in the «Relays» category returned?
Source: Digitec Galaxus- 10.Schneider Electric3.3 %
- 11.Eltako3.4 %
- 12.Aqara3.9 %
- 13.Siemens4 %
- 14.ABB5.8 %