Mastervolt Masterswitch 25kW – 2x in, 1x out - 55003500

SKU: EX 55003500

€ 1.539,95

1-2 weeks delivery time

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The Mastervolt Masterswitch 25kW (55003500) is a robust dual-input automatic AC transfer switch designed for high-demand applications requiring seamless source selection between grid and generator. Supporting up to 125 A per input and a total power capacity of 25 kW at 230 V, this compact unit (291 × 241 × 168 mm, 3.8 kg) enables reliable and safe power routing to a single AC output. With adjustable input delay, full environmental sealing (IP55), and fast switching (as low as 12 ms), it’s engineered for critical marine, mobile, and industrial setups.

Description
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Mastervolt 55003500 - Masterswitch 25kW – Dual Input Automatic AC Transfer Switch (230V, 125A, IP55)

The Mastervolt Masterswitch 25kW provides automatic and secure switching between two AC power sources — such as grid and generator — with one consolidated output to your power system. Engineered to manage high-current loads (up to 125 A), it ensures continuity and safety in marine, mobile, or industrial installations. Its weather-resistant IP55 enclosure, adjustable generator input delay, and zero-consumption inverter mode make it a smart, durable solution for mission-critical environments.

Key Features

Handles up to 25 kW of AC power at 230 V
Dual input (e.g., grid + generator), single output
Automatic input switching with adjustable delay (0–10 sec)
Transfer times: 12–22 ms (on), 4–19 ms (off)
Suitable for up to 125 A input and output current
Protected with IP55-rated enclosure
No external control or LED interface – autonomous switching
Compact and lightweight (291 × 241 × 168 mm, 3.8 kg)

General Specifications

General Specifications
Nominal input voltage	230 V (50/60 Hz)
Input voltage range	200–250 V
Number of inputs	2
Number of outputs	1
Dimensions (H×W×D)	291 × 241 × 168 mm / 11.5 × 9.5 × 6.6 inch
Weight	3.8 kg / 8.4 lb
Protection degree	IP55
MasterBus compatible	No

Technical Specifications

Technical Specifications
Remote control connection	No
LED indication	No
Nominal input current (grid/generator)	125 A
Generator input switch	No
Time delay on generator input	0–10 sec (adjustable)
Nominal output current	125 A
Automatic circuit breakers	No (system dependent)
Power consumption (all AC inputs)	26 W
Power consumption (inverter only)	0 W
Transfer time (on/off)	12–22 ms / 4–19 ms
Cable size supported	4–50 mm² / AWG 10–1/0
Frequency monitoring	No

Environmental Specifications

Environmental Conditions
Operating temperature range	-5 °C to 60 °C
Ambient temperature range	-25 °C to 70 °C
Storage temperature range	-60 °C to 80 °C
Relative humidity	Max. 95%, non-condensing