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High Current 20A 300V PCB Mount Screw Terminal Blocks for Aerospace and Railway High Current 20A 300V PCB Mount Screw Terminal Blocks for Aerospace and Railway

High Current 20A 300V PCB Mount Screw Terminal Blocks for Aerospace and Railway

US$ 0.10 ~ 0.0477
Min.Order: 1,000
Product origin: Ningbo, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 3 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : SY825-8.25mm
  • Material : Copper & Nylon
  • Housing Material : PA66 UL94V-0
  • Pitch : 8.25 mm
  • Wire Range : 22-14AWG (0.08-10mm²)
  • Temperature Range : -40°C to +105°C
  • Max Soldering Temperature : +250°C for 5 seconds
  • Screw Type : M3 Steel Zinc Plated
  • Pole Options : 2P to 24P
  • Pin Material : Brass Tin Plated
  • Rated Voltage : 300V
  • Rated Current : 20A
  • Housing Color : Black
  • Certification : CE
  • Application : Industrial, Aerospace, Railway, Power Systems
  • Interface Type : AC/DC
  • Production Process : Injection Molding

We’ve got a batch test protocol on every production run for these 20A 300V terminal blocks — HPLC and thermal cycling mostly, and you’ll get the COA with each shipment, though retesting is something our company can arrange at cost if you need it, usually within 2-3 days after you flag a concern.

The PA66 housing with UL94V-0 rating is pretty standerd for this class, but what we’ve found is the brass tin-plated pins hold up better in high-vibration setups than cheaper nickel alternatives — it’s actually a detail a lot of buyers overlook, especially for railway or aerospace where you’re pushing 8.25mm pitch at 105°C ambient.

PCB Screw Terminal Blocks

And you’ll want to know the M3 zinc-plated screws aren’t just for show — they torque consistently across 2P to 24P poles, which cuts down on field failures, though the 22AWG end of wire range can feel a bit tight if you’re not using ferrules, basically a handling thing.

Injection molding gives us good batch-to-batch consistency — we’ve shipped about 40,000 units or so in teh last quarter and only had one retest request, which came back within spec, so the process itself is solid, but we do recommend a pre-shipment check if your appliction sees sustained 300V with high humidity cycles.

Our standard lead time for the SY825-8.25mm is roughly 12 working days for orders up to 500 pieces, and we keep 1000 units in stock for the 2P and 3P versions, though you’ll want to confirm stock for anything above 12P — those we usually mold-to-order.

Frequently Asked Questions

What is the minimum order quantity for the SY825-8.25mm terminal blocks?

For most pole configurations, our MOQ is 100 pieces. We can sometimes do less for samples, but standard orders start at that quantity.

What is the typical lead time for this terminal block?

Lead time is usually around 15-20 business days from order confirmation, depending on the pole count and quantity needed.

Does this product come with any certification documents for aerospace or railway use?

Yes, it has CE certification. We can provide the certificate and a declaration of conformity upon request.

Can I get the SY825-8.25mm in a 2-pole configuration, or only 24-pole?

You can order any pole count from 2P to 24P — just specify your needs. We'll produce exactly that.

What's the best way to store these terminal blocks before installation?

Keep them in a cool, dry place away from direct sunlight. The PA66 housing is fine in normal warehouse conditions.

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