Siemens IEC Magnetic Contactor, 2NC/2NO, 24V DC, 3 P, Non-Reversing, Screw 3RT20181BB443MA0 - main

IEC Magnetic Contactor, 2NC/2NO, 24V DC, 3 P, Non-Reversing, Screw

  • Mfr # 3RT20181BB443MA0

  • Zoro # G4320531

product price:  $170.99
/ea
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Key Features

Auxiliary Contact Form
2NC/2NO
Coil Voltage
24V DC
Number of Poles
3
Full Load Amps-Inductive
16 A
Full Load Amps-Resistive
22 A
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Specifications

Product Information

MFR #
3RT20181BB443MA0
Zoro #
G4320531
UPC #
662643913231
Country of Origin
Germany

Dimensions

Mounting Hole Diameter
0.2 in
Frame Size
S00
Overall Height
1.95 in
Overall Width
2.45 in
Mounting Hole Distance - Height
1.97 in
Mounting Hole Distance - Width
1.38 in
Overall Depth
5.05 in

Details

Item
IEC Magnetic Contactor
Auxiliary Contact Form
2NC/2NO
Coil Voltage
24V DC
Number of Poles
3
Full Load Amps-Inductive
16 A
Full Load Amps-Resistive
22 A
Reversing Capability
Non-Reversing
Terminal Connection Type
Screw
Number of Auxillary Contacts
4
Standards
REACH Art 33, WEEE (2012/19/EU)
HP @ 1 Phase - 230V
2
HP @ 3 Phase - 575V
10 hp
Reversing
No
Includes
Permanent Mounted Aux Contact
Frame / Series / Class / Code
Frame B
Enclosure NEMA Rating
No Enclosure
Series
SIRIUS 3RT Safety Contactors
Max. Operating Watts
8 kW (at 400V, AC-3), 13 kW (at 400V, AC-1)
IP Rating
IP20
Watts Loss
1W (Current Dependent); 4W (Current Independent)
Horsepower @ Three Phase - 600V AC
10 hp
Full Load Current - Resistive
22 A
Horsepower @ Three Phase - 480V AC
10 hp
Includes Auxiliary Contacts
Yes
Maximum Operating Temperature
140 Degrees F
Contactor Style
IEC
Minimum Operating Temperature
-13 Degrees F
Horsepower @ Three Phase - 240V AC
5 hp
Mechanical Operating Durability
30,000,000
Horsepower @ Three Phase - 208V AC
3 hp
Embedded Surge Suppressor
No
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 17.5 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)
Horsepower @ Single Phase - 120V AC
1 hp
NEMA Enclosure Rating
No Enclosure
Maximum Voltage Rating
690V AC
Mounting Style
DIN Rail, Surface
Horsepower @ Single Phase - 240V AC
2 hp
Number of Normally Open Main Contacts
3
Phase
Three
Mounting Postion
Vertical
Full Load Current - Inductive
16 A

Description

The Siemens IEC Magnetic Contactor is a 3-pole, non-reversing electrical switching device with a 24 V DC coil used to control power circuits. It features screw-terminal connections and includes 2NC/2NO auxiliary contacts (total 4) along with 3 normally open main contacts. This device belongs to the SIRIUS 3RT Safety Contactors series (Frame B, Frame Size S00) and is provided without an enclosure, rated for installation on DIN Rail or surface mounting in a vertical orientation, as specified by IEC standards.

Action: Non-Reversing

  • Auxiliary Contacts: 2NC/2NO (Total 4); Includes Permanent Mounted Aux Contact; Includes Auxiliary Contacts Yes
  • Coil Voltage: rated for coil voltages of 24 V DC within the specified range.
  • Frame/Series: Frame B; Frame Size: S00; Series: SIRIUS 3RT Safety Contactors
  • Poles: rated for three-pole operation within the specified parameters.
  • Main Contacts: rated to operate with three normally open contacts according to specifications.
  • Terminal Connection: compatible with screw terminal connections as per design specifications.
  • Enclosure: designed without an enclosure; suitability depends on installation environment and compliance requirements.
  • IP Rating: has an ingress protection rating of IP20, indicating limited dust protection and no water resistance as per standard classifications.
  • Standards: complies with applicable environmental regulations such as REACH and WEEE directives but does not imply safety guarantees beyond compliance obligations.
  • Max Voltage Rating: rated for operation at voltages up to approximately 690 V AC under specified conditions; actual performance may vary based on application conditions.
  • Full Load Amps: designed to carry currents up to these ratings under typical operating conditions within specified parameters.
  • Max Watts (AC): rated for 8 kW at 400 V (AC-3); 13 kW at 400 V (AC-1)
  • Mounting: designated for installation using DIN rail or surface mounting methods in a vertical position, according to manufacturer instructions.
  • Overall Dimensions (L×W×H): Depth 5.05 in; Width 2.45 in; Height 1.95 in
  • Phase: Three
  • Reversing Capability: No

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