Siemens 6SL3210-1PE21-4UL0 High Performance Hardware Component

Description

The 6SL3210-1PE21-4UL0 operates with a three-phase supply voltage of 380–480 V AC at 47–63 Hz and includes an integrated braking chopper for handling regenerative energy during braking and deceleration processes. The 6SL3210-1PE21-4UL0 is built in FSB frame size with IP20 protection. It provides 5.5 kW output power under Low Overload (LO) operation and 4.0 kW under High Overload (HO) operation. The unit is supplied without an integrated line filter, allowing the EMC configuration to be selected according to the installation requirements. The 6SL3210-1PE21-4UL0 is used in variable speed drive systems requiring controlled motor operation during acceleration, deceleration, and changing load conditions. The integrated braking chopper is used to manage regenerative energy generated during deceleration and helps avoid DC bus overvoltage conditions. The overload characteristics allow the module to handle temporary load increases during operation. The Power Module is applied in equipment with repeated start-stop cycles, fluctuating loads, and continuous operating requirements. 

Parameter

Model: 6SL3210-1PE21-4UL0 High Performance Hardware Component
Line voltage: 380 to 480 V ±10 %
Line frequency: 47 to 63 Hz
Rated current (LO): 17.20 A
Rated current (HO): 15.30 A
Pulse frequency: 4 kHz
Degree of protection: IP20 / UL open type
Output Frequency Range: 0 Hz to 550 Hz (Pulse frequency: 4 kHz)

Frequently asked questions

Can the 6SL3210-1PE21-4UL0 handle heavy loads?
Yes. The 6SL3210-1PE21-4UL0 provides High Overload capability, making it suitable for applications such as loaded conveyor systems that require high starting torque.

What should be checked before replacing a Siemens 6SL3210-1PE21-4UL0?
Before replacement, the Power Module type, supply voltage, motor data, Control Unit compatibility, and existing system configuration should be checked against Siemens documentation
What are the rated power values of 6SL3210-1PE21-4UL0?
The Power Module provides 5.5 kW under Low Overload (LO) operation and 4 kW under High Overload (HO) operation.

Application areas:

Centrifugal Supply Fans: Restricts high-load starting current spikes during acceleration of heavy industrial ventilation fans under Low Overload (LO) 
Chemical Dosing Feeders: Controls precise motor speeds on positive displacement pumps to secure constant liquid additive delivery.
Cabinet Ventilation Arrays: Deployed inside external electrical rooms, with custom external filters selected to match localized industrial EMC site configurations

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