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6SE7032-1HB87-2DA1 Siemens MASTERDRIVES Braking Module

6SE7032-1HB87-2DA1 Siemens MASTERDRIVES Braking Module

Technical Overview

The 6SE7032-1HB87-2DA1 is a high-performance braking module for Siemens SIMOVERT MASTERDRIVES inverters. It manages regenerative energy during motor deceleration by monitoring the DC link voltage and activating an external braking resistor to safely dissipate excess energy. This module...

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Availability: Low stock: 99 left

SKU: Drive Braking Module
Vendor: Siemens
Category: MASTERDRIVES Braking Module
Related Series:

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Technical Overview

The 6SE7032-1HB87-2DA1 is a high-performance braking module for Siemens SIMOVERT MASTERDRIVES inverters. It manages regenerative energy during motor deceleration by monitoring the DC link voltage and activating an external braking resistor to safely dissipate excess energy. This module prevents overvoltage faults and ensures controlled stopping of high-inertia loads, making it ideal for applications such as cranes, hoists, centrifuges, and high-speed conveyors.

Detailed Specifications

Feature Specification
Model 6SE7032-1HB87-2DA1
Product Family SIMOVERT MASTERDRIVES (VC/MC)
DC Link Voltage 510–650 V DC nominal
Threshold Voltage Adjustable (typically 673 V or 774 V DC)
Peak Braking Power 100 kW (short-term)
Continuous Braking Power 20 kW (rated thermal)
Duty Cycle Intermittent, 5–10% ED typical
Cooling Forced air (internal fan-assisted)
Protection Features Over-temperature, DC link overvoltage, short-circuit protection
Installation Modular integration into MASTERDRIVES cabinet/chassis
Weight 1.2 kg

Operational Logic

  • Voltage Monitoring: Constantly senses inverter DC bus voltage.

  • Chopper Action: When voltage exceeds the threshold, the module switches the external resistor into the circuit.

  • Energy Dissipation: Converts kinetic energy of the mechanical system into heat safely.

  • Applications: High-inertia loads requiring dynamic braking for process safety and efficiency.

Frequently Asked Questions

Do I need an external resistor?

  • Yes, the module requires a properly sized external braking resistor to dissipate energy safely.

Can this module be used with SINAMICS drives?

  • No, it is specific to legacy SIMOVERT MASTERDRIVES. SINAMICS systems require their own braking modules (e.g., 6SL series).

Why does the “Fault” LED illuminate?

  • Possible causes include thermal overload of the resistor, short circuit in resistor cabling, or internal IGBT failure.