SKU:
EX 35524500
1-2 weeks delivery time
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The Mastervolt CombiMaster 24/4500-120 120V HT (35524500) is a heavy-duty inverter/charger designed for demanding 24V power systems, delivering 4500W of continuous pure sine wave power (9000W surge) and 120A of fast, temperature-compensated 3-step+ charging. With split-phase and parallel operation up to 35 kW, ultra-fast AC transfer (10 ms), Power Assist, and advanced CAN communication (MasterBus, CZone, NMEA 2000), it excels in marine, off-grid, and commercial mobile environments. Built for high-temperature resilience, it operates up to 80°C, offering unmatched robustness and integration flexibility in compact form (568 x 359 x 170 mm, 17 kg).
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Mastervolt 35524500 - CombiMaster 24/4500-120 Inverter/Charger (24V, 4500W, 120A, 120V Output) – High-Temp Split-Phase Ready Heavy-Duty Power System
The CombiMaster 24/4500-120 is the most powerful high-temperature (HT) model in Mastervolt’s 24V CombiMaster lineup. Delivering 4500 watts of continuous true sine wave output and 120 amps of intelligent charging, it powers large and sensitive AC loads while managing extensive battery banks. With peak capability of 9000 W, it is ideal for industrial, marine, and mobile platforms where resilience, power density, and system integration are critical.
Engineered for split-phase and parallel applications up to 35 kW, the CombiMaster 24/4500-120 features Power Assist and Power Sharing to stabilize weak AC sources. Built-in MasterBus, CZone, and NMEA 2000 compatibility ensures seamless integration with digital monitoring and automation systems. High-temp tolerance (shutdown above 80 °C) makes it ideal for harsh environments.
Main Features:
- 4500 W continuous / 9000 W surge true sine wave inverter
- 120 A multistage battery charger at 28.5 V (configurable)
- Parallel and split-phase ready up to 35 kW
- Fast AC transfer switching in 10 ms
- High-temperature operation: up to 80 °C ambient
- Power Assist and Power Sharing built-in
- Supports Lithium, AGM, Gel, and Flooded batteries
- MasterBus, CZone, and NMEA 2000 compatible
- Galvanically isolated with IP23 protection and conformal coating
Technical Specifications:
Inverter Specifications Nominal DC Voltage 24 V (range: 20.4–32 V) Output Voltage 120 V Output Frequency 60/50 Hz (configurable) Waveform True sine wave Continuous Power @ 40 °C 4500 W Peak Power (30 sec) 6750 W Surge Power (5 sec) 9000 W Efficiency Max. 93% No-load Power Consumption 47 W (on) / < 1 mA (off) Energy Saving Mode 25 W Synchronize with Mains Yes Battery Charger Specifications Input Voltage Range 90–140 V AC Max Input Current 38 A (adjustable) Charge Current 120 A @ 28.5 V Charging Algorithm IUoUo, 3-step+ (Flooded, AGM, Gel, MLI) Battery Temp Sensor Included Voltage Sense Automatic compensation Recommended Battery Capacity 240–1200 Ah (gel reference) AC Transfer System AC Input Current 38 A max (switched) AC Output Current 85 A max AC Input Fuse Yes Transfer Speed 10 ms Transfer Voltage Range 90–140 V Transfer Frequency Range 40–65 Hz General Specifications Galvanic Isolation Yes Display LED status indicators Dimensions (HxWxD) 568 x 359 x 170 mm (22.4 x 14.1 x 6.7 in) Weight 17 kg (37.5 lb) Cooling Variable speed fan Protection Degree IP23 (vertical mounting) Humidity Protection Conformal coating, max 95% RH (non-condensing) Temperature Range -25 °C to 80 °C (derating > 40 °C, shutdown > 80 °C) Safety Class IEC Protection Class I System Integration MasterBus Compatible Yes CZone / NMEA 2000 Compatible Yes Parallel & Split-Phase Ready Yes (up to 35 kW systems) Power Assist Yes Power Sharing Yes (AC input fuse configurable) Ground Relay Yes (via mechanical jumper)
The CombiMaster 24/4500-120 HT is the high-performance solution for scalable and demanding 24V installations requiring superior AC output, large charging capacity, and reliable operation in extreme temperature environments. Built to perform. Built to integrate.
Documents
CombiMaster 24_3500-100 (120 V) - User Manual Size: 2,2 Mb -
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