Engineering Excellence in Solar Distribution
From hardware engineering to cloud-native software, every layer of our technology stack is built for reliability, precision, and scale.
SPDU
1-Phase / 3-Phase Models
SPDU Hardware Platform
Purpose-built hardware designed for reliable solar power distribution in multi-unit buildings.
Microcontroller
ARM Cortex-M3
32-bit MCU for real-time energy monitoring and control
Communication
RS485 / Modbus RTU
Industrial-grade serial bus for reliable meter communication
Voltage Range
180-260V AC
Wide input range supporting both single and three-phase
Metering Accuracy
Class 1.0
IEEE-754 floating point precision for energy measurements
Operating Temp
-10°C to 55°C
Designed for Indian climate conditions year-round
Protection
IP20 / DIN Rail
Standard meter room mounting with surge protection
Powerful Cloud Dashboard
A complete management platform for monitoring, controlling, and optimizing solar distribution across all your buildings.
Real-Time Analytics
Live dashboards showing energy consumption, solar generation, and distribution metrics across all units.
Remote Configuration
Change SPDU settings, energy limits, solar windows, and operation modes from anywhere in the world.
Multi-Tenant Management
Manage multiple buildings with different configurations. Each building has its own dashboard and settings.
Smart Alerts
Instant notifications for anomalies, limit breaches, device offline events, and maintenance reminders.
Automated Scheduling
Configure solar distribution windows, set time-based limits, and automate monthly billing cycles.
Global Access
Cloud-native architecture means you can monitor and control your buildings from any location, any device.
End-to-End System Architecture
From rooftop solar panels to your phone screen - a complete, secure, real-time data pipeline.
Solar Panels
Rooftop PV array
SPDU Hardware
Distribution & metering
USR Gateway
RS485 ↔ WiFi/MQTT
MQTT TLS Broker
Encrypted cloud messaging
Edge Functions
Serverless processing
Cloud Platform
Dashboard & API
Technical Specifications
Detailed specifications for system integrators and technical decision-makers.
Electrical
- Input Voltage
- 180-260V AC (1φ) / 300-480V AC (3φ)
- Max Current
- 63A
- Frequency
- 50Hz / 60Hz
- Power Measurement
- Active, Reactive, Apparent
- Energy Accuracy
- Class 1.0 (IEEE-754)
Communication
- Serial Interface
- RS485 (Modbus RTU)
- Baud Rate
- 9600 / 115200 bps
- Cloud Protocol
- MQTT over TLS 1.3
- API
- RESTful HTTPS
- Real-time
- WebSocket push
Security
- Transport
- TLS 1.3 encryption
- Authentication
- Certificate-based + JWT
- Data at Rest
- AES-256 encryption
- Access Control
- Role-based (RBAC)
- Audit
- Full operation logging
See It In Action
Schedule a technical demonstration or request detailed documentation for your engineering team.