Crown CMU-3000D 3KVA Metal UPS – 1800W

CROWN CMU-3000D 3KVA Metal UPS – 1800W

The CROWN CMU-3000D 3KVA Metal UPS is a high-capacity backup power and protection solution designed for offices, businesses, computer systems, networking equipment, POS systems and other essential electronic devices. With a substantial 3,000VA / 1,800W capacity, it is suitable for powering multiple compatible devices or higher-load equipment within its rated capacity.

Its durable metal casing provides a sturdy and professional construction, making it suitable for demanding office and commercial environments. The UPS provides backup power when mains electricity fails and helps protect connected equipment against common power-related problems.

The CMU-3000D is equipped with four 12V/9Ah sealed, maintenance-free batteries, providing a substantial internal battery capacity for short-term backup. It also features automatic voltage regulation, surge protection and protection against overload and other electrical conditions. Its automatic frequency sensing allows it to operate with different mains frequencies.

With its higher power capacity and robust construction, the CROWN CMU-3000D is an excellent choice where dependable backup power and protection are required for several connected devices.

Key Features

• 3KVA / 3,000VA capacity
• 1,800W rated output
• Durable metal casing
• Automatic Voltage Regulation (AVR)
• Automatic frequency sensing
• Pure sine-wave output on mains
• Simulated sine-wave output on battery
• Four built-in 12V/9Ah batteries
• Sealed, maintenance-free batteries
• Surge protection
• Overload protection
• Short-circuit protection
• Overcharge and deep-discharge protection
• Automatic battery charging
• Cold-start function
• Automatic restart
• LED status indicators
• Audible warning alarms
• Compact tower design

Full Specifications

• Brand: CROWN
• Model: CMU-3000D
• Product Type: Uninterruptible Power Supply (UPS)
• Capacity: 3,000VA / 3KVA
• Rated Power: 1,800W
• UPS Design: Metal-case UPS
• Form Factor: Tower
• Input Voltage: 220/230/240VAC
• Input Frequency: 50/60Hz, auto-sensing
• Output Voltage: 220/230/240VAC ±10%
• Output Frequency: 50/60Hz ±1%
• Output Waveform: Pure sine wave in mains mode; simulated sine wave in battery mode
• Switching Time: Approximately 8ms typical, 10ms maximum
• Battery Type: Sealed, maintenance-free lead-acid
• Battery Configuration: 4 × 12V/9Ah
• Recharge Time: Approximately 6–8 hours
• Cold Start: Yes
• Automatic Restart: Yes
• AVR: Automatic Voltage Regulation
• Protection: Surge, overload, short circuit, overcharge and over-discharge
• Operating Temperature: 0–40°C
• Operating Humidity: 5–90% RH
• Case Material: Metal
• Packing Quantity: 1 unit per carton
• Approx. Product Dimensions: 550 × 238 × 295mm
• Approx. Net Weight: 20kg
• Warranty: Subject to supplied CROWN warranty terms

Why It Is a Must-Have Appliance

The CROWN CMU-3000D is an excellent choice for users who require considerably more backup capacity than standard home UPS units. Its 1,800W output can support multiple compatible devices, making it particularly useful for offices and businesses.

The UPS helps keep essential equipment operating during power interruptions while providing protection against electrical disturbances. Its four internal batteries provide a substantial backup reserve, while the metal enclosure gives the unit a strong and professional build.

Areas of Usage

• Corporate offices
• Small and medium-sized businesses
• Computer centres and cybercafés
• Server and networking environments
• POS systems
• Retail businesses
• Schools and training centres
• CCTV and security systems
• Home offices
• Professional workstations
• Reception and administrative offices
• Other compatible electronic equipment

Package Content

• CROWN CMU-3000D 3KVA Metal UPS
• Four built-in rechargeable batteries
• Power/connection cable
• User manual
• Warranty documentation

Genuine CROWN Product

This is a genuine CROWN-branded CMU-3000D 3KVA Metal UPS. It is an original CROWN product and not a copy, imitation or generic replacement. The 3,000VA/1,800W capacity, metal casing and four 12V/9Ah battery configuration correspond with CROWN's published specifications for this metal-case series.

Conclusion

The CROWN CMU-3000D 3KVA Metal UPS provides a strong combination of high-capacity backup power, voltage regulation and equipment protection. With 3,000VA/1,800W output, four 12V/9Ah batteries, AVR, surge and overload protection, cold start and automatic restart, it is a dependable solution for offices, businesses and other environments where reliable backup power is essential.