What it is and what it fits
The Siemens 3VA9144-0JA12 is a SENTRON box terminal, designated TS1.2, sold as a pack of four units. It is an accessory intended for use with the 3VA6 150/250 molded-case circuit breaker frame.
Siemens 3VA9144-0JA12 SENTRON Box Terminal, TS1.2, 10 AWG–3/
MPN3VA9144-0JA12
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Siemens SENTRON accessories, box terminal TS1.2, 4 units, 10 AWG…3/0 AWG, for 3VA6 150/250.
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jul 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product designation | accessories |
| Accessories | Box terminal |
Other specifications
| Parameter | Value |
|---|---|
| Solid | 10 AWG: 105 lb-in |
| Stranded | 10 - 4 AWG: 105 lb-in 3 - 3/0 AWG: 140 lb-in |
| Finely stranded | 10 - 4 AWG: 105 lb-in 3 - 3/0 AWG: 140 lb-in |
| Product version | box terminal 4 units |
| Stripped length | 0.75 in |
| Designation (Of the terminal) | TS1.2 |
| For copper cable (Solid, maximum) | 10 AWG |
| For copper cable (Solid, minimum) | 10 AWG |
| For copper cable (Stranded, maximum) | 3/0 AWG |
| For copper cable (Stranded, minimum) | 10 AWG |
| For copper cable (Finely stranded, maximum) | 3/0 AWG |
| For copper cable (Finely stranded, minimum) | 10 AWG |
Product details
Frequently asked questions
What wire sizes does 3VA9144-0JA12 accept?
It accepts 10 AWG solid copper, and 10 AWG through 3/0 AWG stranded or finely stranded copper. Torque values are 105 lb-in for 10 AWG through 4 AWG, and 140 lb-in for 3 AWG through 3/0 AWG.
Where can I buy 3VA9144-0JA12?
We source this part to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
3VA9144-0JA12