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Tesla Powerwall – 1622286-00-A – Neurio W2 CT Splitter Cable

Manufacturer

OEM Part Number

1622286-00-A

GPS Part Number

88-1622286-00-A

Price:

$9.24

Specifications
Voltage WPC AH/kVA Length Width Height Weight
N/A N/A N/A N/A N/A N/A .5 lbs
Voltage N/A
WPC N/A
Amp/H N/A
Length N/A
Width N/A
Height N/A
Weight .5 lbs
Tesla Powerwall — Neurio W2 CT Y-Splitter
Energy Metering Accessory — Parallel Current Transformer Connection

Connect two compatible current transformers to a single meter input with the Neurio W2 CT Y-Splitter. Part number 1622286-00-A combines measurements from two CTs monitoring the same electrical phase.

Useful for installations with multiple solar inverters or separate service feeds, this accessory supports metering arrangements where one CT cannot capture all the required conductors.

Designed for the Neurio W2 metering system used in compatible Powerwall 2 and Powerwall+ installations. Listing is for the splitter harness only; current transformers, meter, and extension cables are sold separately.

Key Features
  • Two-to-One Connection: Connects two compatible CTs to one Neurio W2 meter port.
  • Combined Measurement: Parallels CT signals for a shared reading on the same phase.
  • Factory-Terminated Harness: Includes connectors for the Neurio W2 CT interface.
  • Dedicated W2 Accessory: Designed for use with Neurio W2 200 A current transformers.
Typical Applications
  • Combining same-phase measurements from multiple solar inverters.
  • Metering service arrangements with two 200 A main breakers.
  • Replacing an existing Neurio W2 CT splitter harness.
Product Details
Category Detail
Product Name Neurio W2 CT Y-Splitter
Part Number 1622286-00-A
Required Meter Neurio W2 Remote Energy Meter
Compatible CTs Neurio W2 200 A CTs, 1622277-series
Connection Configuration Two same-phase CT connections to one meter input
Combined Metering Capacity Up to 400 A per input channel with two properly installed 200 A CTs in parallel; each CT remains limited to 200 A
Product Scope Splitter harness only
Installation & Compatibility

Use with compatible Neurio W2 equipment only. Neurio W1 accessories are not interchangeable with W2 components, and this splitter is not intended for the Tesla Remote Meter. Neurio metering is not supported with Powerwall 3. Installation should follow Tesla’s metering instructions, including correct CT orientation, phase matching, and meter configuration.

💡 Planning Tip: Both CTs connected through a splitter must monitor the same electrical phase. Do not combine L1 and L2 through one splitter. The meter receives a combined measurement rather than separate readings for each connected CT.
Need help selecting metering accessories? Contact Gruber Power Services with your meter model, CT part numbers, and service or solar configuration for assistance identifying the appropriate components.