Siemens 6SE70 inverter pre charging board rectifier board 6SE7031-7HF84-1HH2，6SE7031-7HF84-1HH2 Siemens

Parameter Category Parameter Value
Basic Information Ordering Number 6SE7031-7HF84-1HH2
Product Name SIMOVERT MASTERDRIVES Precharging Module (PCU1)
Product Series SIMOVERT MASTERDRIVES
Manufacturer Siemens
Product Status Legacy spare part (discontinued, available while stock lasts)
Protection Class IP20 (cabinet-mounted only)
Mounting Type Modular cabinet installation (compatible with Designs E/F)
Net Weight ~4.0 kg
Certifications CE, UL, cUL
Electrical Specifications Rated Input Voltage 3-phase AC 380–575 V, 50/60 Hz
Rated Precharge Current 380 A
Max Inrush Current 420 A (1-minute overload)
Insulation Voltage 3 kV AC (1 min, input-output isolation)
Control Power Voltage DC 24 V
Power Consumption ≤25 W
Functional Features Core Function Inrush current limiting for DC link capacitors during converter startup
Compatibility Designed for SIMOVERT MASTERDRIVES Designs E and F
Protection Functions Overcurrent, overvoltage, overheating protection; reverse polarity protection
Precharge Time Factory-set (adjustable via external resistor)
Mechanical & Environmental Conditions Dimensions (L×W×H) 420 mm × 282 mm × 230 mm
Operating Temperature 0°C to +45°C (derate 1% per °C above 45°C up to 55°C)
Storage Temperature -25°C to +70°C
Operating Humidity 5%–95% RH (non-condensing)
Vibration Resistance 5–500 Hz, 0.2 g acceleration
Shock Resistance 5 g acceleration (11 ms duration)