
SIEMENS SIEPAN 8PU
Siemens 8PU design for low voltage switchboards has become an industry benchmark with proven performance for the past many decades.
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 having deployed more than 100,000 LV switchboards for maximum reliability and performance.
This proven technology from Siemens for SIEPAN 8PU®
LV Switchboards is now also available through a network of Licensed Partners across the country.
Highlights:
- Conformance to Type Tested assemblies (TTA)
- 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
- Non-compartmentalized APFC panels
Customer benefits:
- 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
- Extensive License Partner network across the country

Range:
- Power control centres
- Communication capable intelligent power control centres (IPCCs)
- Withdrawable motor control centres with patented Alstan® bus-bar technology
- Energy management PCCs for Plant & Building
- Motor control centres – Fuseless and with Fuse
- Intelligent motor control centres (IMCCs)
- Integrated PMCCs for Ethernet connectivity
- 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
LV switchboard SIEPAN 8PU:
Technical Data
| Conformance to standards | IS8623-1 / IEC 439 |
| Internal Arc Containment | IEC 61641 |
| Seismic withstand | IS 1893 |
| 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 | 40º C / 45º C / 50º C |
| Temperature rise | As per IEC 61439 -2 |
| Seismic conformance test | Zone III & V |
| Rated insulation voltage | upto 1000V |
| Rated operational voltage | upto 690V |
| Rated impulse withstand | 8kV |
| Main busbar rating | upto 5000A |
| Busbar execution | Interleaved / non-Interleaved |
| Busbar options | Copper / aluminium |
| lnfeed termination | Cable / bus ways / busduct |
| lnfeed 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 |
Type tests:
- Verification of temperature rise limits
- Verification of di-electric properties
- Verification of short-circuit withstand
- Verification of continuity of protective circuit
- Verification of clearances and creepage distance
- Verification of mechanical operation
- Verification of degree of protection
Special test
- Verification of seismic withstand for zone III / V
- Verification of internal arc containment (IAC)
Routine tests:
- Inspection of wiring and electrical operation
- Verification of insulation
- Verification of protective measures and continuity of protective circuits
- Verification of insulation resistance

LAURITZ KNUDSEN ENERSYS
Overview
Enersys by Lauritz Knudsen Electrical & Automation is more than a power distribution unit—it’s a blend of smart engineering and digital innovation. Crafted for superior safety, reliability, and efficiency, it combines advanced technology with a sleek, modern look, ensuring your electrical systems are secure and future-proof. Enersys, a true smart panel, integrates advanced communication capabilities, intelligent thermal management, and eco-conscious engineering design for next-generation power solutions. Backed by Lauritz Knudsen Electrical & Automation’s 70-year legacy of powering India, it delivers reliable, future-ready electrical systems tailored for Indian conditions, blending performance with innovation.
Experience the future of power distribution with Enersys

QR code, Predictive maintenance and Smartcomm Digital Architecture integrating seamless with energy management.

The Enersys Panels accommodating ACBs are as narrow as 500mm.


Internal Arc withstand up to 85 kA for 0.3 sec as per IEC 61641 with active and passive resistance.

Internal Arc withstand up to 85 kA for 0.3 sec as per IEC 61641 with active and passive resistance.



