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The Screw Mount 30A/300V 20 Position Screw Terminal Block Distribution Module offers a reliable, high-capacity solution for complex electrical wiring needs. Featuring 20 screw terminals spaced at 7.62mm pitch, it supports wire gauges from 26AWG to 10AWG and withstands up to 30 amps per position at 300 volts. Constructed with brass pins, corrosion-resistant steel screws, and a fireproof nylon mount, this module ensures durability and safety. Its compact dimensions and included mounting hardware make it ideal for professional-grade installations in industrial, marine, or audio system applications.






| ASIN | B0837FD5HM |
| Best Sellers Rank | #212,619 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #436 in Ground Circuit Terminal Blocks |
| Brand Name | OONO |
| Centerline Length | 175 Millimeters |
| Connector Type | Screw |
| Current Rating | 30 Amps |
| Customer Reviews | 3.8 out of 5 stars 8 Reviews |
| Gauge | 26.0 |
| Item Dimensions W x H | 0.7"W x 1.47"H |
| Item Pitch | 7.62 Millimeters |
| Manufacturer | CZH-LABS |
| Material Type | Brass, Nylon |
| Model | MD-D1128P-1 |
| Mounting Type | screw mount |
| Number Of Contacts | 20 |
| Number Of Poles | 20 |
| Number of Positions | 20 |
| Part Number | MD-D1128P-1 |
| Pitch | 7.62 Millimeters |
| Voltage | 300 Volts |
K**.
I am using this for a new 110vac distribution on a sailboat
I like to use a terminal block to separate the boat's circuit breaker panel from the wiring going to the various loads. These blocks are a much nicer option than the standard "bus bar." Each of the 20 positions is well numbered (both below and above) where the wire inserts so you're probably not going to mis-connect a conductor. The screws for tightening down on the conductor are as expected a standard screw driver. A 10 gauge wire easily fits in the terminal blocks points. The other thing that I really like about this block for an ac distribution is that it's going to be pretty hard to shock yourself because all of the metallic points are either recessed or mostly inaccessible. I bring this up because several previous boats which I have worked on had the typical open faced terminal blocks which you could (in a tight space) brush up against and shock yourself. Overall, this is a nicely executed product and I am glad to have used it on my sailboat.
J**L
Perfect
This worked out perfect for my garage audio system I made.
J**B
It does its job
Good product, does what I wanted it to do.
A**Z
Muy bueno, como lo esperado
excelente calidad
Trustpilot
1 month ago
1 day ago