Description
1. At-A-Glance Executive Brief
- Model: 6EP1336-3BA10
- Brand: Siemens
- Part Type: Switched-Mode Power Supply (SITOP PSU8200)
- Lifecycle Status: Active / Legacy System Migration Support
- Weight: 1.2 kg
- MTBF: 667,048 hours at 40 °C
2. Technical Introduction
Unexpected voltage sags and thermal overload trips can shut down entire control panels, cutting off power to critical PLC racks and field instruments. The 6EP1336-3BA10 operates within the SITOP PSU8200 series to deliver regulated 24VDC power across heavy industrial automation networks. Accepting single-phase or two-phase AC inputs (as well as DC inputs), this switched-mode power supply maintains tight voltage regulation during line fluctuations while providing extra power headroom for high-inrush loads like inductive contactors and solenoids.
3. Core Technical Specifications
| Parameter | Value |
| Manufacturer | Siemens |
| Product Line | SITOP PSU8200 |
| Input Type | 1-phase and 2-phase AC / DC (120-230 V AC, 110-220 V DC) |
| Rated Output Voltage | 24 V DC |
| Rated Output Current | 20 A |
| Mounting | DIN rail EN 60715 35×7.5/15 |
| Signaling Contact | DC OK / Remote |
| Enclosure Protection | IP20 |
| Dimensions (W x H x D) | 90 mm x 125 mm x 125 mm |
| Weight | 1.2 kg |
4. Field Engineer’s Tech Notes
- Thermal Clearance and Heat Dissipation: This unit relies on natural convection cooling inside crowded control cabinets. Ensure a minimum vertical clearance of 50 mm above and below the housing to prevent thermal derating or premature electrolytic capacitor dry-out during high ambient temperature runs.
- Inrush Current and Load Calculation: When sizing your upstream circuit breakers, account for the high peak input current characteristic of switch-mode power supplies. Pair this unit with a curve C or D magnetic trip breaker to avoid nuisance tripping during initial power-up sequences.
5. Adaptive QA & Testing Protocol
Every pre-owned or New Surplus 6EP1336-3BA10 unit undergoes strict functional validation on our test bench before shipment. Our technicians execute full-load thermal burn-in runs under a variable resistive load, verify output voltage stability across minimum and maximum input voltage ranges, and test the dry signaling contact response for proper relay state changes. Comprehensive test logs and verification videos are available upon request prior to dispatch.
6. Buyer’s FAQ
- What warranty coverage comes with this power supply? We support all New Surplus (NSFP) and tested refurbished Siemens units with a full 12-month replacement warranty from the invoice date.
- How fast can this unit be delivered for an emergency plant shutdown? We stock this part locally for immediate dispatch. Expedited global air freight options ensure delivery within 24 to 48 hours for urgent requirements.
- Is this unit a direct replacement for older 6EP1336-3BA00 models? Yes, the PSU8200 series version offers improved efficiency and extended input voltage ranges compared to older legacy iterations, fitting identically onto standard DIN rails in existing panel layouts.
