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3-Position 25A 600V Barrier Screw Terminal Block - TB-2503
$1.54
Choose the TB current series and number of independent positions. One base unit is one complete dual-row block with its clear cover.
Model & specifications · Quick order
Ships from China · 5–7 calendar days preparation. Shipping details
3-Position 25A 600V Barrier Screw Terminal Block - TB-2503
Choose the actual current series and number of independent circuits for panel wiring. Each position has two screws on one independent connection.
Included in one base unit
One complete TB-2503 dual-row terminal block with clear protective cover. Wires, mounting screws and tools are not included.
Model & specifications
| Model / supply reference | TB-2503 |
|---|---|
| Common model designation | TB2503 |
| Interface / construction | Dual-row screw terminal strip with clear protective cover |
| Supplied base unit | One complete TB-2503 dual-row terminal block with clear protective cover |
| Body / cover | Black |
| Supplier rating | 25 A / 600 V |
| Positions / screw rows | 3 independent circuits / dual row |
| Approx. length (original SKU photo) | 51 mm |
| Approx. height (original SKU photo) | 20 mm |
| Conductor section (original series table) | 0.5–2.5 mm² |
| Black unit SKU | TB-2503 |
Dimensions shown are approximate values from the original SKU photo. Electrical values are original supplier ratings; match the conductor and installation requirements.
Isolate. Wire. Inspect.
- Disconnect the circuit and identify the correct model and interface size.
- Match each circuit position and secure the conductor under its screw clamp.
- Check for loose strands, verify secure connections and refit the protective cover.
Pack choices: 1 / 10 / 100 complete blocks. Every block in a pack is the same model.
The wiring illustration is a TB-series connection example. The first image shows the exact supplied model.
Quick order by exact SKU
Quantity counts packs. Pack prices already include the displayed 5% or 10% discount.
Ships from China · 5–7 calendar days preparation. Shipping details · Returns
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Find your matching configuration
TB Barrier Screw Terminal Blocks
Compare 15 A, 25 A and 45 A TB terminal blocks, ordered by the number of positions. Each position has two screw terminals for one independent circuit.
15 A terminal blocks (5)
25 A terminal blocks (6)
45 A terminal blocks (5)
