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Siemens IEC Magnetic Contactor, 1NC/1NO, 24V DC, 3 P, Non-Reversing, Screw 3RT20351KB40 - main

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

  • Mfr # 3RT20351KB40

  • Zoro # G3795488

product price:  $282.99
/ea
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Key Features

Auxiliary Contact Form
1NC/1NO
Coil Voltage
24V DC
Number of Poles
3
Reversing Capability
Non-Reversing
Terminal Connection Type
Screw
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Specifications

Product Information

MFR #
3RT20351KB40
Zoro #
G3795488
UPC #
804766159954
Country of Origin
Germany

Dimensions

Overall Depth
4.8 in
Frame Size
S2
Overall Width
2.5 in
Overall Height
5.65 in
Mounting Hole Distance - Height
3.84 in
Mounting Hole Distance - Width
1.77 in
Mounting Hole Diameter
0.2 in

Details

Item
IEC Magnetic Contactor
Auxiliary Contact Form
1NC/1NO
Coil Voltage
24V DC
Number of Poles
3
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
Special Features
Varistor Surge Suppression
Frame / Series / Class / Code
S2
Reversing
No
HP @ 3 Phase - 575V
40 hp
Series
SIRIUS 3RT20
Watts Loss
2.2W (Current Dependent); 1W (Current Independent)
Max. Operating Watts
19 kW (at 400V, AC-3), 39 kW (at 400V, AC-1)
IP Rating
IP20
Full Load Current - Resistive
60 A
Horsepower @ Single Phase - 240V AC
7 1/2 hp
Mounting Postion
Vertical
Horsepower @ Three Phase - 208V AC
10 hp
NEMA Enclosure Rating
No Enclosure
Maximum Operating Temperature
140 Degrees F
Horsepower @ Three Phase - 240V AC
15 hp
Contactor Style
IEC
Horsepower @ Three Phase - 600V AC
40 hp
Mounting Style
DIN Rail, Surface
Includes Auxiliary Contacts
Yes
Horsepower @ Three Phase - 480V AC
30 hp
Phase
Three
Minimum Operating Temperature
-13 Degrees F
Horsepower @ Single Phase - 120V AC
3 hp
Full Load Current - Inductive
40 A
Response Time
10 to 18 msec (AC Operation Opening Delay Operating Times for 0.8 ... 1.1 x Us1), 10 to 18 msec (AC Operation Opening Delay Operating Times for 1.0 x Us1), 10 to 80 msec (AC Operation Closing Delay Operating Times for 0.8 ... 1.1 x Us1), 12 to 22 msec (AC Operation Closing Delay Operating Times for 1.0 x Us1)
Maximum Voltage Rating
690V AC
Mechanical Operating Durability
10,000,000
Embedded Surge Suppressor
Yes
Number of Normally Open Main Contacts
3

Description

The Siemens IEC Magnetic Contactor is a 3-pole, non-reversing electrical switch operated by a 24 V DC coil. It includes two auxiliary contacts (1 NC / 1 NO) and uses screw-terminal connections. Conforms to IEC standards applicable to control-panel applications.

Coil voltage: 24 V DC

  • Poles and main contacts: 3 poles; 3 normally open main contacts
  • Auxiliary contacts: 2 total (1 NC, 1 NO)
  • Series / Frame: SIRIUS 3RT20 / Frame Size S2
  • Electrical connection: Screws
  • Includes a varistor-based surge suppression device rated for typical transient conditions.
  • Dimensions (Overall): 2.50 in W x 5.65 in H x 4.80 in D
  • Rated for operation up to 690 V AC within specified parameters.
  • Operating temperature: -13 to 140 Degrees F
  • Mechanical durability: designed for an operational lifespan consistent with mechanical durability specifications.
  • Mounting: DIN Rail, Surface; Mounting Position: Vertical
  • Rated for maximum power levels under specified conditions: 19 kW at 400 V AC-3; 39 kW at 400 V AC-1
  • Rated according to standard motor horsepower ratings at specified voltages and phases.
  • Response time: Opening 10-18 ms; Closing 12-22 ms
  • Includes auxiliary contacts: Yes

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