About Blokset
Siemens 8PU design for low voltage switchboards has become an industry benchmark with proven performance. Designed to operate in challenging conditions of high ambient & dust, 8PU low voltage switchboards have been patronized by various segments like cement, steel, refinery, oil & gas, pharma, F&B, data centres, hospitals & hotels, metro-rail projects.
Customer benefits at a glance
- Siemens innovation & technology
- Maximum reliability in protection of your plant and equipment
- Maximum safety for operating personnel
- Suited for the most arduous site conditions
- Compact and space saving
Highlights
- Conformance to Type Tested assemblies (TTA) for its design reliability as per IS 8623 – 1 / IEC 439
- Conformance to Seismic withstand upto Zone V
- Conformance to Internal Arc Containment (IAC)
- Fully compartmentalized, bolted & modular design for PCC & MCC
- Non-compartmentalized drive control panels
- Supported by Siepan Softwares – for Quick and Precise Project Management
- Automatic power factor correction panels
- All variants available with a choice of aluminum and copper for bus-bars
- Degree of ingress protection upto IP 54 for all ratings
- Non-compartmentalized APFC panels
Technical Specification
| Conformance to Standards | IS 8623-1 / IEC 439 |
|---|---|
| Short Circuit Withstand (Icw) – Main Bus | 65kA / 1sec / 143kA Peak |
| Short Circuit Withstand (Icw) – Neutral | 39kA / 1sec / 82kA Peak |
| Short Circuit Withstand (Icw) – Earth | 39kA / 1sec / 82kA Peak |
| Degree of Protection (IP) | IP 4X, 5X, X3, X4 |
| Ambient Temperature | 40° C / 45° C / 50° C |
| Seismic Conformance Test | Zone III & V |
| Rated Insulation Voltage | Upto 1000V |
| Rated Operational Voltage | Upto 690V |
| Rated Impulse Withstand | 8 KV |
| Main Busbar Rating | Upto 5000A |
*ACB Compartment – Only Rear access
| Vertical Bus Rating | Upto 1400A |
|---|---|
| Busbar Execution | Interleaved / Non-Interleaved |
| Busbar Options | Copper / Aluminium |
| Infeed Termination | Cable / Bus Ways / Busduct |
| Infeed Entry | Top / Bottom |
| Cable Feeder Access | Front / Rear* |
| ACB Cubicle | Single Tier |
| Form of Seperation | Upto Form 4B |
| Standard Height | 2300mm |
| Standard Depth | 1120mm / 560mm |
| Standard Colour Shade | RAL 7035 |