Siemens IEC Magnetic Contactor, 1NC/1NO, 24V AC, 3 P, Non-Reversing, Screw 3RT20281AC20 - main

IEC Magnetic Contactor, 1NC/1NO, 24V AC, 3 P, Non-Reversing, Screw

  • Mfr # 3RT20281AC20

  • Zoro # G4320802

product price:  $223.99
/ea
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Key Features

Auxiliary Contact Form
1NC/1NO
Coil Voltage
24V AC
Number of Poles
3
Full Load Amps-Inductive
38 A
Full Load Amps-Resistive
50 A
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Specifications

Product Information

MFR #
3RT20281AC20
Zoro #
G4320802
UPC #
662643917871
Country of Origin
Germany

Dimensions

Mounting Hole Distance - Height
2.36 in
Frame Size
S0
Overall Height
2.15 in
Mounting Hole Diameter
0.19 in
Mounting Hole Distance - Width
1.38 in
Overall Width
3.55 in
Overall Depth
4.15 in

Details

Item
IEC Magnetic Contactor
Auxiliary Contact Form
1NC/1NO
Coil Voltage
24V AC
Number of Poles
3
Full Load Amps-Inductive
38 A
Full Load Amps-Resistive
50 A
Reversing Capability
Non-Reversing
Terminal Connection Type
Screw
Number of Auxillary Contacts
2
Standards
REACH Art 33, WEEE (2012/19/EU)
Enclosure NEMA Rating
No Enclosure
HP @ 1 Phase - 230V
5
Frame / Series / Class / Code
S0
Reversing
No
HP @ 3 Phase - 575V
25 hp
Series
SIRIUS 3RT20
Watts Loss
3.2W (Current Dependent); 10.5W (Current Independent)
IP Rating
IP20
Max. Operating Watts
19 kW (at 400V, AC-3), 28 kW (at 400V, AC-1)
Number of Normally Open Main Contacts
3
Horsepower @ Single Phase - 120V AC
3 hp
Horsepower @ Three Phase - 240V AC
10 hp
Includes Auxiliary Contacts
Yes
Horsepower @ Three Phase - 480V AC
25 hp
Maximum Operating Temperature
140 Degrees F
Full Load Current - Resistive
50 A
Contactor Style
IEC
Phase
Three
Embedded Surge Suppressor
No
Minimum Operating Temperature
-13 Degrees F
Response Time
10 to 17 msec (AC Operation Closing Delay Operation Opening Delay Operating Times for 1.0 x Us1), 15 to 17.5 msec (DC Operation Opening Delay Operating Times For 0.8 ... 1.1 X Us1), 16 to 17 msec (DC Operation Opening Delay Operating Times for 1.0 x Us), 4 to 16 msec (AC Operation Opening Delay Operating Times for 0.8 ... 1.1 X Us1), 4 to 16 msec (AC Operation Opening Delay Operating Times for 1.0 x Us), 50 to 170 msec (DC Operation Closing Delay Operating Times for 0.8 ... 1.1 X Us1), 55 to 80 msec (DC Operation Closing Delay Operating Times for 1.0 x Us), 8 to 40 msec (AC Operation Closing Delay)
Mounting Postion
Vertical
Mounting Style
DIN Rail, Surface
Full Load Current - Inductive
38 A
Frequency
50/60 Hz
NEMA Enclosure Rating
No Enclosure
Horsepower @ Three Phase - 600V AC
25 hp
Maximum Voltage Rating
690V AC
Horsepower @ Single Phase - 240V AC
5 hp
Horsepower @ Three Phase - 208V AC
10 hp
Mechanical Operating Durability
10,000,000

Description

The IEC Magnetic Contactor is a switching device rated for operation within specified electrical parameters. It utilizes an electromagnetic coil to open or close contacts as per its design specifications. The unit is compact and modular, rated for use in control panel applications; enclosure requirements should be determined based on specific installation conditions.

Action: Non-Reversing

  • Reversing: No
  • Coil voltage: 24V AC
  • Contactor Style: IEC
  • Frame Size: S0
  • Frame / Series: S0 / SIRIUS 3RT20
  • Poles: 3
  • Main contacts: 3 normally open
  • Auxiliary contacts: 2 total (1NO/1NC)
  • Auxiliary contact configuration: 1NO/1NC
  • Auxiliary contact form: 1NC/1NO
  • Includes Auxiliary Contacts: Yes
  • Mounting style: DIN Rail, Surface
  • Electrical connection: Screws
  • IP Rating: IP20
  • Enclosure: No Enclosure
  • Standards: REACH Art 33, WEEE (2012/19/EU)
  • Maximum voltage rating: rated for operation up to 690V AC according to its specifications
  • Frequency: 50/60 Hz
  • Watts loss: 3.2W (current dependent); 10.5W (current independent)
  • Mechanical operating durability: expected operational lifespan under specified conditions; actual performance may vary depending on usage environment
  • Overall dimensions: 4.15 in (Depth) × 2.15 in (Height) × 3.55 in (Width)
  • Mounting hole diameter: 0.19 in
  • Mounting hole spacing (Height): 2.36 in
  • Mounting hole spacing (Width): 1.38 in
  • Phase: Three
  • Maximum operating temperature: 140 Degrees F
  • Minimum operating temperature: -13 Degrees F
  • Height (compact): 1.77 in
  • Width (compact): 1.77 in

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