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The Certo 10-40kVA Online UPS range is a high-frequency, three-phase, double-conversion UPS designed for enterprise IT, industrial, telecom, and mission-critical applications. With DSP digital control and power factor correction (PFC), it delivers high efficiency, reliability, and seamless protection against power disturbances.
✔ True Online Double Conversion – Zero transfer time for uninterrupted power
✔ Advanced DSP Digital Control – Ensures precise and stable operation
✔ Generator Compatible – Supports 45-55Hz (50Hz mode) / 54-66Hz (60Hz mode)
✔ Energy Efficient (Up to 94.5%) – Reduces operating costs and environmental impact
✔ Three-Stage Smart Charging – Automatically switches between charge modes for battery longevity
✔ Emergency Power Off (EPO) – Immediate shutdown in case of an emergency
✔ LCD + LED Display – Real-time system monitoring and diagnostics
✔ Maintenance Bypass Switch – Allows servicing without power interruptions
✔ Robust Design – Built to operate in demanding environments with high load adaptability
The Certo 10-40kVA Online UPS range is the ideal choice for businesses that require a powerful, reliable, and efficient UPS solution to safeguard critical operations.
| UPS Rating | UPS Stock Code | Battery Configuration (AGM) | Battery Kit Code | Runtime @ 50% Load | Downloads |
| 10kVA / 9kW | CPS-3310H | - | - | - | Data Sheet |
| 20 x 9AH 12V | BK-9AH20-10K3P | 5 min | |||
| 20 x 26AH 12V | BK-26AH20-10K3P | 30 min | |||
| 20 x 40AH 12V | BK-40AH20-10K3P | 50 min | |||
| 20 x 100AH 12V | BK-100AH20-10K3P | 2 hrs 40 min | |||
| 20kVA / 18kW | CPS-3320H | - | - | - | Data Sheet |
| 40 x 9AH 12V | BK-9AH40-20K3P | 7 min | |||
| 20 x 40AH 12V | BK-40AH20-20K3P | 20 min | |||
| 20 x 100AH 12V | BK-100AH20-20K3P | 1 hr 15 min | |||
| 30kVA / 27kW | CPS-3330H | - | - | - | Data Sheet |
| 60 x 9AH 12V | BK-9AH60-30K3P | 5 min | |||
| 20 x 40AH 12V | BK-40AH20-30K3P | 13 min | |||
| 20 x 100AH 12V | BK-100AH20-30K3P | 50 min | |||
| 40kVA / 36kW | CPS-3340H | - | - | - | Data Sheet |
| 60 x 9AH 12V | BK-9AH60-40K3P | 5 min | |||
| 30 x 40AH 12V | BK-40AH30-40K3P | 15 min | |||
| 30 x 100AH 12V | BK-100AH30-40K3P | 1 hr |
Looking for a high-performance 10–40kVA online UPS in South Africa? Cooper Power supplies the Certo CP-3300 Series Online UPS, a true double-conversion, high-frequency UPS system designed for businesses, data centres, industrial environments, telecom networks, and mission-critical applications.
The Certo CPS 10kVA, 20kVA, 30kVA and 40kVA Online UPS range provides continuous, clean, and stable power, protecting sensitive equipment from load shedding, power outages, voltage fluctuations, surges, harmonics, and electrical disturbances.
True Online Double-Conversion Technology
Ensures zero transfer time (0ms) and delivers pure sine-wave output for critical loads.
High Power Factor (0.99)
Maximises usable kW output, improving efficiency and reducing oversizing costs.
Wide Input Voltage Range (208V–478V)
Designed to operate reliably in unstable and fluctuating grid conditions.
Generator Compatible
Supports 45–55Hz (50Hz mode) and 54–66Hz (60Hz mode) for seamless generator operation.
Advanced DSP Digital Control
Provides high-precision regulation, system stability, and long-term reliability.
Parallel Redundancy & Scalability
Parallel up to 4 UPS units for increased capacity or N+1 redundancy.
Smart Battery Management
Flexible battery configuration (±16 to ±20 battery strings) for extended runtime.
Three-Stage Intelligent Charging
Optimises charging performance and extends battery lifespan.
Comprehensive System Protection
Protection against overload, short circuit, overheating, and battery failure.
Emergency Power Off (EPO)
Instant shutdown capability for safety-critical environments.
LCD & LED Display Interface
Real-time monitoring, alarms, and diagnostics at a glance.
High Energy Efficiency (Up to 94.5%)
Reduces electricity consumption and lowers operational costs.
Maintenance Bypass Switch
Allows servicing or replacement without interrupting power to the load.
Data centres & server rooms
Industrial automation & manufacturing
Telecom networks & base stations
Medical & laboratory equipment
Banking, retail & commercial operations
Security, access control & monitoring systems
Enterprise-grade UPS solutions trusted across South Africa
Designed for 24/7 operation in mission-critical environments
Nationwide delivery with secure logistics
Expert technical support for sizing, battery runtime, and redundancy planning
Ongoing service, spares, and after-sales support
Protect your operation from power failures and grid instability with a Certo CPS Series Online UPS supplied by Cooper Power.
Contact us today for pricing, stock availability, battery options, and expert recommendations tailored to your application.
📞 Call now or request a quote online for reliable enterprise backup power solutions.
Cooper Power is trusted by South Africa’s leading businesses to keep their operations online with reliable backup power supply.