6RA7031-6DV62-0-Z K00+S00 Detailed English Specifications (Siemens SIMOREG DC Master Four‑Quadrant Rectifier)
This is a four‑quadrant regenerative DC rectifier from Siemens’ SIMOREG DC Master series, with rated armature current 125 A (420 V DC), 400 V AC 3‑phase input, and standard configurations including K00 (no slot adapter) and S00 (basic software). It is designed for industrial DC motor speed control with regenerative braking, widely used in material handling, printing, and textile machinery. Below are the detailed parameter tables:
Basic Identification
| Item | Details |
|---|---|
| Part Number | 6RA7031-6DV62-0-Z K00+S00 |
| Product Type | SIMOREG DC Master Four‑Quadrant Rectifier (B6A 6‑pulse bridge) |
| Manufacturer | Siemens |
| Circuit Configuration | 6‑pulse bridge (B6A for 4‑quadrant regenerative operation) |
| Control Method | Microprocessor‑based digital control (vector control for DC motors) |
| Mounting Type | Cabinet‑mounted (IP20 chassis) |
| Protection Class | IP20 (chassis); IP30 (front panel) |
| Frame Size | 3 (medium‑size, compact chassis) |
| Net Weight | Approx. 42 kg (92.6 lbs) |
| Dimensions (W×H×D) | 450 mm × 600 mm × 350 mm (typical, subject to actual product) |
| Software Version | SIMOREG DC Master V5.1 (S00 basic software) |
| Order Option Codes | K00 (no slot adapter), S00 (basic software) |
| Discontinuation Status | Discontinued (replaced by SINAMICS DCM 6RA8031‑6DV62‑0AA0) |
| Compliance | CE, UL, CSA, ATEX (Zone 2) |
Electrical Specifications (Armature Circuit – Core)
| Parameter | Value | Unit | Remarks |
|---|---|---|---|
| Input Voltage (3‑phase) | 400 (±10%) | V AC | 50/60 Hz, grid‑synchronized |
| Input Current (Max. Continuous, 400 V) | 104 | A | At rated input voltage, full load |
| Rated Armature Output Voltage | 420 | V DC | Controllable 0‑420 V DC |
| Rated Armature Output Current (Iₙ) | 125 | A | 420 V DC, continuous operation |
| Rated Output Power (Armature) | 52.5 | kW | Calculated as Vₙ × Iₙ (420 V × 125 A) |
| Overload Capacity (1 min/10 min) | 187.5 | A | 150% of Iₙ, 1 minute / 10 minutes duty cycle |
| Overload Power (1 min/10 min) | 78.75 | kW | 420 V DC × 187.5 A |
| Peak Current (2 sec) | 250 | A | 200% of Iₙ, 2 seconds |
| DC Bus Voltage (Nominal) | 510–540 | V DC | Rectified from 400 V AC |
| Control Voltage | 24 (±15%) | V DC | Auxiliary power supply, current consumption 1.2 A |
| Insulation Voltage | 1400 | V AC (1 min) | Dielectric strength test value |
| Short‑Circuit Withstand | 300% Iₙ for 0.5 s | A | Internal semiconductor fuses (IEC 60947‑4‑1 compliant) |
Electrical Specifications (Field Circuit – Default)
| Parameter | Value | Unit | Remarks |
|---|---|---|---|
| Field Output Voltage (Max.) | 325 | V DC | Controllable 0‑325 V DC |
| Field Output Current (Max.) | 10 | A | Continuous operation (configurable via field module) |
| Field Control Mode | Current‑controlled (CC) / Voltage‑controlled (VC) (switchable) | ||
| Field Insulation Voltage | 1000 | V AC (1 min) | Dielectric strength test value |
Hardware Configuration (Options Included)
| Component | Details |
|---|---|
| Communication Interface | None (K00: no slot adapter for communication modules) |
| Power Semiconductor | Thyristor bridge (armature, B6A connection); thyristor bridge (field) |
| Cooling System | Forced air cooling (single fan, IP20 protection) |
| Expansion Slots | 2 × optional I/O modules (for analog/digital I/O extension, requires slot adapter) |
| Protective Devices | Semiconductor fuses (armature: 160 A; field: 16 A), varistors for surge protection |
Thermal & Environmental
| Parameter | Value | Unit | Derating/Notes |
|---|---|---|---|
| Operating Temperature (No Derating) | 0‑40 | °C | Continuous operation |
| Operating Temperature (Derating) | 40‑55 | °C | Linear derating at 2%/°C above 40°C |
| Storage Temperature | ‑25‑70 | °C | No condensation allowed |
| Relative Humidity | 5‑95 | % | Non‑condensing, no corrosive gases |
| Altitude (No Derating) | ≤1000 | m | Standard condition |
| Altitude (Derating) | >1000 | m | 1% derating per 100 m above 1000 m |
| Vibration Resistance | 5‑150 Hz, 0.5 | g | Compliant with IEC 60068‑2‑6 |
| Shock Resistance | 10 g, 11 | ms | Compliant with IEC 60068‑2‑27 |
| Sound Pressure Level (1 m) | ≤70 | dB (50/60 Hz) | Typical operation noise |
Safety & Protection Features
| Feature | Details |
|---|---|
| Overvoltage Protection | DC bus varistor + active voltage clamping (triggers at ~650 V DC) |
| Overcurrent Protection | Electronic current limiting (up to 250 A peak) |
| Overheating Protection | Thermal sensor + fan speed control (triggers at 85°C heatsink temperature) |
| Undervoltage Protection | Triggers at 320 V AC input (3‑phase) |
| Short‑Circuit Protection | Internal semiconductor fuses + electronic trip (response time < 1 ms) |
| Motor Protection | Motor overload, stall, and field loss protection |
| Regenerative Braking Protection | Overvoltage clamping during regeneration (4‑quadrant operation) |







