Knowledge Base ›
Current Transformers (CT)
Victron Energy Current Transformer 100A:50mA for MultiPlus-II (jack/plug-end)
Official manufacturer
global
verified Sept. 2, 2026
PRODUCT PHOTO
Identity
| category |
current_transformers
|
| manufacturer |
Victron Energy
|
| model |
Current Transformer 100A:50mA for MultiPlus-II (jack/plug-end)
|
| product_family |
Current Transformer for MultiPlus-II
|
| product_status |
active
|
| region |
global
|
| sku |
CTR110000500 (1 m), CTR110000550 (5 m), CTR110002050 (20 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 |
100 A
|
| ratio |
100 A:50 mA
|
| secondary_rating |
50 mA
|
Physical / mechanical
| cable_length |
1 m, 5 m and 20 m variants
|
| dimensions_mm |
UNKNOWN
|
| termination |
Headphone jack (plug end) - for older MultiPlus-II units
|
| 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 |
Grid parallel and external transfer switch topologies
|
Environment
| operating_temperature |
UNKNOWN
|
| relative_humidity |
UNKNOWN
|
Interfaces & connectors
| bluetooth |
No
|
| ethernet |
No
|
| modbus_rtu |
No
|
| modbus_tcp |
No
|
| rs485 |
No
|
| ve_direct |
No
|
Warranty & service
| summary |
5-year standard warranty
|
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Accuracy note | Less accurate than a dedicated energy meter, especially at low currents |
| Compatible topologies | grid parallel and external transfer switch topologies |
| Connector type (older units) | Headphone jack |
| Voltage rating | 50 mV |
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