The Siemens 3RT20161BB443MA0 is a SIRIUS 3RT series 3-pole power contactor with a 24 V DC control coil. It is AC-3 rated for motor switching with a 4 kW rating at 400 V and a contact/current rating of 9 A. The device includes 2 normally open and 2 normally closed auxiliary contacts, screw terminals, and a size S00 housing suitable for DIN rail or chassis mounting. Operating range is -25 to 60 degrees C and switching capability up to 690 V AC.
24 V DC control coil; coil power 4 W and must operate voltage 19.2 V DC
AC-3 rated 3-pole main contacts, 9 A contact rating, 4 kW at 400 V
Includes 2 NO + 2 NC auxiliary contacts, screw terminals, DIN rail or chassis mount
Product Highlights
3-pole AC-3 contactor, 4 kW/400 V, 24 V DC coil, 2NO + 2NC auxiliary, S00 frame, DIN rail mountable
Product Information
Standard Information
Brand: SIEMENS
Manufacturer Part Number: 3RT20161BB443MA0
Country of Origin: Germany
Technical Specifications
Brand
Siemens
Manufacturer Part Number
3RT20161BB443MA0
Series
SIRIUS 3RT
Type
Power contactor (IEC contactor)
Frame Size
S00
Number of Poles
3
Main Contact Configuration
3 NO
Auxiliary Contacts
2 NO, 2 NC (permanently mounted)
Coil Voltage
24 V DC
Coil Power
4 W
Must Operate Voltage
19.2 V DC
Contact Current Rating
9 A
Full Load Current (AC-3, inductive)
9 A
Full Load Current (AC-1, resistive)
22 A
Full Load Current (AC-4)
4.1 A
Power Rating (AC-3, 400 V)
4 kW
Maximum Switching Voltage
690 V AC
Contact Rating
A600 / Q600
Connection Type
Screw terminals
Termination
Screw
Mounting Type
DIN rail, chassis, snap-on, vertical
Dimensions (W x H x L)
2.65 in x 2.45 in x 4.8 in
Weight
0.620 lb
Operating Temperature Range
-25 to 60 degrees C
Standards/Certifications
IEC, UL, CSA, CE recognized
Operating Time - Make (typical)
100 ms
Operating Time - Release (typical)
13 ms
Coil Actuation Form
3PST-NO (3 Form A)
RoHS Status
RoHS3 compliant
Mechanical Durability
30,000,000 operations
Country of Origin
Germany
Contact Configuration Notes
3 NO main contacts with 2 NO + 2 NC auxiliary contacts