1. Core Electrical Ratings
| Parameter | Value | Notes |
|---|---|---|
| Input Voltage Range | 500 … 690 V 3AC, 50/60 Hz | Line-side for power module; DC link compatible with 510–750 V DC |
| Rated AC Current (IN) | 735 A | Continuous base current for the power block |
| Peak Current | ~2× IN (short-time) | For dynamic overload; refer to parent module specs |
| DC Link Compatibility | 510 … 750 V DC | Matches S120 high-voltage line modules |
| Insulation Class | F | Standard for industrial power electronics |
| Cooling | Forced air cooling | Matches parent module cooling system |
| Busbar Plating | Nickel-plated | For low contact resistance & corrosion resistance |
| Coating | Painted/varnished | For environmental protection |
2. Mechanical & Environmental Data
| Parameter | Value | Notes |
|---|---|---|
| Net Weight | ~88 kg (194 lb) | Typical for 735A power block (matches 4DA1 variant) |
| Degree of Protection | IP20 (open type) | For cabinet-mounted installation |
| Ambient Temperature (Operation) | 0 … 40 °C (32 … 104 °F) | No derating up to 1000 m altitude |
| Installation Altitude (No Derating) | ≤ 1000 m (3281 ft) | Current derate applies above 1000 m |
| Mounting | Bolt-on to parent power module chassis | Standard S120 cabinet module mounting |
3. Connections & Compatibility
| Connection | Details | |
|---|---|---|
| Phase Terminals | U/V/W (single phase block; 3 blocks make full 3-phase) | Bolted busbar connections (high-current) |
| DC Link Terminals | +/– DC busbar | Nickel-plated, high-current rated |
| Compatibility | SINAMICS S120 Cabinet Modules / Power Modules (500–690V, 735A class) | Direct replacement for failed power blocks |
| Mounting Interface | Standard S120 power block mounting pattern | No modification required for compatible parent modules |
4. Safety & Compliance
- Certifications: CE, cULus, IEC 61800, EN 61800, UL 508C, CSA C22.2 No. 14
- Safety: Compliant with drive safety standards (STO/SS1/SLS supported via parent control unit)
- Standards: IEC 61508 (SIL 2), EN ISO 13849-1 (PL d, Cat 3) when used with S120 safety functions
5. Key Features
- 3-phase (single-phase block) replacement for high-power S120 drive modules
- 735A rated current for 500–690V 3AC applications
- Nickel-plated busbars for reliable high-current connections
- Painted/varnished assembly for industrial environmental resistance
- Direct drop-in replacement for compatible S120 power modules
- Forced air cooling compatible with parent module cooling system
- Electronic nameplate for auto-identification (when installed in parent module)
6. Ordering & Identification
- MLFB: 6SL3352-1AG37-4FA1
- Product Type: Spare Part (Replacement Power Block)
- Tariff Code: 85044088
- Country of Origin: Germany
