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Documents: 3RT20453NB343MA0

Datasheet

3RT20453NB343MA0 | CONT..AC3:37KW.1NO+1NC.20-33VAC/DC COM. | Siemens Electrical

Power contactor, AC-3e/AC-3, 80 A, 37 kW / 400 V, 3-pole, 20-33 V AC/DC, 50/60 Hz, with integrated varistor, auxiliary contacts: 2 NO + 2 NC, main circuit: screw terminal, control and auxiliary circuit: spring-loaded terminal, size: S3, captive auxiliary switch

Brand: Siemens ElectricalSKU: 3RT20453NB343MA0

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Overview Details for 3RT20453NB343MA0

Specifications

Item Number	3RT20453NB343MA0
Brand	Siemens Electrical
Height	8.390 IN
Length	3.030 IN
Modular version	TRUE
Number of auxiliary contacts as normally closed contact	2
Number of auxiliary contacts as normally open contact	2
Number of main contacts as normally open contact	3
Rated control supply voltage Us at AC 50HZ	20 V
Rated control supply voltage Us at AC 60HZ	20 V
Rated control supply voltage Us at DC	20 V
Rated operation current Ie at AC-1; 400 V	125 A
Rated operation current Ie at AC-3; 400 V	80 A
Rated operation current Ie at AC-4; 400 V	66 A
Rated operation power at AC-3; 400 V	37 kW
Rated operation power NEMA	44.129924999 kW
Type of electrical connection of main circuit	Screw connection
Voltage type for actuating	AC/DC
Weight	1.14700 LB
Width	5.940 IN