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Knowledge BaseCurrent Transformers (CT)

Victron Energy Current Transformer 400A:50mA for MultiPlus-II (wire-end)

Official manufacturer global verified Sept. 2, 2026

Identity

category current_transformers
manufacturer Victron Energy
model Current Transformer 400A:50mA for MultiPlus-II (wire-end)
product_family Current Transformer for MultiPlus-II
product_status active
region global
sku CTR140050100 (10 m)

Electrical

accuracy_class UNKNOWN
burden UNKNOWN
frequency UNKNOWN
measures Single-phase monitoring only and measures current, not voltage
output_voltage_note Datasheet also states a "50 mV" voltage rating alongside the 100 A:50 mA / 400 A:50 mA ratios
primary_rating 400 A
ratio 400 A:50 mA
secondary_rating 50 mA

Physical / mechanical

cable_length 10 m
dimensions_mm UNKNOWN
termination Wire end
weight UNKNOWN
window_size UNKNOWN

Installation

cable_restriction Do not shorten the cable; it is calibrated to the current transformer
orientation The arrow on the Current Transformer must be pointing in the direction of the MultiPlus
polarity Current Transformer is polarity sensitive - red wire to EXT and white wire to COM terminals
topologies Can only be used in an external transfer switch application

Environment

operating_temperature UNKNOWN
relative_humidity UNKNOWN

Interfaces & connectors

bluetooth No
ethernet No
modbus_rtu No
modbus_tcp No
rs485 No
ve_direct No

Protection

ip_rating UNKNOWN

Certifications

standards ['UNKNOWN']

Warranty & service

summary 5-year standard warranty

Documents

datasheet Current Transformer for MultiPlus-II & MultiPlus 20kW - Datasheet
pricelist Pricelist Victron 2026 Q1 USD C
product-page Current Transformer for MultiPlus-II product page

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

Accuracy noteLess accurate than a dedicated energy meter, especially at low currents
Compatible topologiesgrid parallel and external transfer switch topologies
Connector type (older units)Headphone jack
Voltage rating50 mV

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