Mastervolt Masterswitch 3kW – 2x in, 1 Output - 55106000

SKU: EX 55106000

€ 576,71

1-2 weeks delivery time

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The Mastervolt Masterswitch 3kW (55106000) is a compact and automatic AC transfer switch that connects two independent 120V power sources—such as shore power and a generator—to a single AC output group. Rated for 25 A per input and supporting up to 3,000 W, it ensures fast and seamless switching within 12–22 ms. Featuring IP55 protection, adjustable generator delay (0–10 sec), and wide operating temperature range, it is ideal for marine and mobile power systems requiring reliable and silent AC source management.

Description
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Mastervolt 55106000 - Masterswitch 3kW – 2x In, 1 Output (Automatic AC Transfer Switch, 120V, 25A)

The Mastervolt Masterswitch 3kW (part number 55106000) is a versatile automatic AC transfer switch designed for systems that use two power sources—typically grid (shore) power and a generator. It automatically selects the active power input and routes it to a single output line, ensuring seamless transitions and uninterrupted power supply. Compact and robust, the unit is suitable for marine, RV, and off-grid applications where dependable AC switching is required.

Key Features

Supports two 120V AC inputs and one output
Automatic source selection based on input presence
25 A nominal current per input (grid and generator)
Transfer time: 12–22 ms (on), 4–19 ms (off)
Adjustable generator delay: 0–10 seconds
Designed for systems up to 3 kW (120V AC)
Compact enclosure with IP55 protection rating
No need for external control modules – fully automatic

Technical Specifications

Part Number	55106000
Nominal Input Voltage	120 V AC (50/60 Hz)
Input Voltage Range	100–125 V
Number of Inputs	2 (e.g. generator + grid)
Number of Outputs	1
Nominal Input Current (each source)	25 A
Generator Delay	0–10 seconds (adjustable)
Transfer Time	12–22 ms (on), 4–19 ms (off)
Power Consumption (active)	7 W
Power Consumption (inverter only)	0 W
Remote Control Compatible	No
LED Status Indication	No
MasterBus Compatible	No
Protection Class	IP55
Temperature Range (Operating)	-5 °C to +60 °C
Temperature Range (Ambient)	-25 °C to +70 °C
Temperature Range (Storage)	-60 °C to +80 °C
Relative Humidity	Max. 95%, non-condensing
Cable Size Supported	0.5–10 mm² / AWG 20–7
Dimensions (H x W x D)	200 x 110 x 115 mm
Dimensions (inch)	7.9 x 4.3 x 4.5 inch
Weight	1.2 kg (2.6 lb)

Applications

Marine AC systems requiring automatic switchover between shore and generator power
Mobile/RV installations using grid and auxiliary power sources
Off-grid setups needing reliable AC power routing
Compact power panels and space-limited installations