Siemens 3RT2028-2BB40 Contactor 3-pole 40A 18.5kW 690V AC

The Siemens 3RT2028-2BB40 contactor is an electrical contactor designed for controlling three-phase motors up to 690 V AC. Manufactured by Siemens, it is suitable for use in industrial and commercial applications where high performance and reliability are required. The contactor is ideal for tasks such as motor starting, switching, and circuit control in electrical systems.

Type	Contactor
Coil Voltage	690V AC
Connection	Spring-loaded connector
Contact Current Rating	40A
Contact Type	3 makers
Depth	107mm
Dimensions	(W x H x D) 45 x 102 x 107 mm
Durability	1000 0000
Height	102mm
IP Rating	IP20
Maximum Temperature	+60°C
Min. temperature	-25°C
Misc Attribute 1	3RT2028-2BB40
Misc Attribute 2	S0
Mounting Style	Spring-loaded connector
Number of auxiliary contacts as normally closed contact	1
Number of auxiliary contacts as normally open contact	1
Number of normally closed contacts as main contact	N/A
Number of normally open contacts as main contact	3
Number of Poles	3
Operating voltage AC 50 Hz	N/A
Operating voltage AC 60 Hz	N/A
Rated control supply voltage AC 50 Hz	N/A
Rated control supply voltage AC 60 Hz	N/A
Rated control supply voltage DC	24 - 24V
Rated operation current Ie at AC-1, 400 V	50A
Rated operation current Ie at AC-3, 400 V	38A
Rated operation current Ie at AC-4, 400 V	22A
Rated operation power at AC-3, 400 V	18.5kW
Rated operation power at AC-4, 400 V	N/A
Rated operation power NEMA	18.38746875
Suitable for distribution board	TRUE
Terminals	3-pin
Type of electrical connection of main circuit	Spring clamp connection
Voltage type for actuating	DC
Width	45mm