Description
📍 The Bonitron M3452-C600K6-A is a high-performance Heavy Duty Braking Transistor Module engineered for industrial AC variable frequency drives (VFDs) operating on 575V to 600V AC power systems. It provides active overvoltage mitigation by monitoring the drive’s DC bus and shunting regenerated braking energy into an external resistive load.
🔧 Product Datasheet Parameters
- 🌐 Brand & Model: Bonitron / M3452-C600K6-A / M3452 Series
- 🏷️ Type: Heavy Duty Braking Transistor / IGBT Switch Module (Suffix
-Aindicating standard/R5 add-on control board compatibility) - ⚖️ Weight: Approximately 14.5 kg to 17.0 kg (32–38 lbs class)
- 🌍 Country of Origin: United States
- ⚡ AC Input Line Voltage: 575V to 600V AC, 3-phase (Nominal DC Bus Setpoint: ~940V DC)
- ⚡ Control Power Voltage: 115V to 120V AC single-phase control supply line (+10% / -20%, 50/60 Hz)
- 🔌 Braking Current Rating: 600 A Peak / 300 A RMS continuous capacity
- 💻 Compatibility: Universally compatible with any industrial AC drive system featuring accessible DC bus field terminals
- 🔗 Communication & Terminals: Hardwired drive DC bus bars, external brake resistor connection blocks, and auxiliary status output contacts
- 🛡️ Enclosure Protection: Open-panel modular chassis design intended for installation inside a rated electrical control cabinet or NEMA enclosure
❓ Frequently Asked Questions (Q&A)
💡 Q1: What is the primary purpose of the M3452-C600K6-A module?
A1: It prevents VFD overvoltage faults during rapid motor deceleration or heavy overhauling load cycles by shunting excess regenerated DC bus energy into external braking resistors.
💡 Q2: What voltage class does the “C” designation represent in the part number?
A2: The “C” prefix denotes systems built for 575V–600V AC line voltages, utilizing a corresponding higher DC bus trip setpoint (typically around 940V DC).
💡 Q3: What does the “-A” suffix indicate for this specific unit?
A3: It specifies the built-in control board configuration (Standard/R5 add-on control architecture) equipped with local status monitoring relays and standard visual indicators.
💡 Q4: How does the unit connect to a Variable Frequency Drive?
A4: It connects directly across the VFD’s positive and negative DC bus terminals (+DC and -DC) alongside separate wiring to an external dynamic braking resistor bank.
💡 Q5: What duty cycle capability does this heavy-duty model support?
A5: It is engineered for heavy industrial duty cycles, supporting active braking profiles up to 50% or continuous operation depending on the connected resistor sizing.
💡 Q6: Are local status indicators available on the chassis?
A6: Yes, built-in LED indicators provide immediate visual feedback on module readiness, active braking status, fault conditions, and internal protection states.
💡 Q7: What safety interlocks or fault monitoring features are built-in?
A7: The module monitors IGBT status, fuse health, control power, and thermal limits, providing “Module Ready” relay output contacts to safely interlock the drive if a fault occurs.
💡 Q8: What environmental conditions are recommended for operation?
A8: The unit should be housed in a clean, dust-free environment free of corrosive gases, with ambient operating temperatures ranging between 0°C and +50°C.
💡 Q9: Can multiple M3452 units be synchronized for higher power ratings?
A9: Units rated at 200A and above support Master/Slave capabilities, allowing parallel configuration for extremely high horsepower or multi-drive setups.
💡 Q10: Is this model compliant with industrial safety standards?
A10: Yes, standard M3452 series assemblies carry UL and cUL listings to satisfy rigorous panel-building requirements.
🔄 Recommended Alternative Series and Models from Bonitron
- ⚙️ Bonitron M3452-H600K6-A – Equivalent 460V AC heavy-duty braking transistor module for standard North American industrial grids.
- ⚙️ Bonitron M3452-L600K6-A – 230V AC version of the 600A heavy-duty braking transistor platform.
- ⚙️ Bonitron M3452-C300K6-A – 300A peak / 300A RMS lower-capacity braking module for 575V AC drives.
- ⚙️ Bonitron M3575T Series – Standard duty braking transistor modules designed for lower horsepower 230–480V applications.
- ⚙️ Bonitron M3675T Series – Compact, low-HP braking transistor units for small-scale drive setups.
- ⚙️ Bonitron M3545 Line Regen – Energy-recovery power unit that feeds braking energy back to the AC line instead of dissipating it via resistors.
- ⚙️ Bonitron M3452 Complete Braking Kits – All-in-one pre-packaged enclosures combining both the braking transistor and matched load resistor.
