3KC4450-0FA21-0AA3

Product ID:163041
Updated: 2026/4/3
Siemens 3KC4450-0FA21-0AA3

Key Features

  • 1Easily switch circuits with the motorized operating mechanism and long handle. 2、Handle up to 1000 A at 415 V AC and 630 A at 690 V AC. 3、Secure installations with screw mounting and a durable busbar connection. 4、Monitor and operate manually with clear switch position indication. 5、Ensure safety with overvoltage category IV and 1000 V insulation.
Product Details
3KC4450-0FA21-0AA3
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Description
3KC4 PC-1000A-4P Without Controller; PC-level; Rated Current 1000A; 4P Remote Control Transfer Switch; Equipped with Motor Drive Mechanism, Additional Front Operation Mechanism, Standard Configuration with One Set of Position Indicating Auxiliary Contacts
Withstand Voltage (kV)
12
Application Type
AC-33iB [Three-phase squirrel cage motor and resistive load]
Other
Remote Control Transfer Switch
System Voltage
415VAC
Control Voltage
230VAC
Number of Poles
4
In(A)
1000
Specification
3KC4 [250-3200A]
Control Type
Without Controller
Type
PC-level
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3KC4450-0FA21-0AA3

Specifications may be subject to change without notice