Questions tagged [terminal-block]
A terminal block is a screw-type electrical connector where the wires are clamped down to the metal part by a screw.
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Difference between two terminal blocks
When I design PCBs, I normally come across two specific types of terminal blocks. The images of those terminal blocks are given below.
Amazon - REES52 30 Pcs 3.5mm Pitch 2 Pin PCB Mount Screw ...
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DIN rail terminal block resistor
Is there a reliable solution for placing my own through hole resistor into a DIN rail mountable terminal block? Or is there any off the shelf solution the use a resistor to convert my 4-20mA current ...
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PCB components/ creation
I am tasked with the creation of a PCB that is quite simple. It is only a simple route from a 26 pin MDR to a 2 pin terminal block. I am stuck though.
I am using Fusion 360 and I have a few questions.
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Barrier block vs. Lever wire splice for power distribution in a mobile robot
I am a beginner in robotics and am learning by building a four-wheel mobile robot. I will supply electrical power from one Li-ion battery to four DC motors. I plan to use a barrier block to distribute ...
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Identifying a connection terminal specification from photo
I'm having difficulty identifying the 12 pin connection as seen in the photos below.
It appears to be a JST, but upon purchasing some 12 pin JSTs, they do not fit and are too big.
Is there a way to ...
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Are there terminal blocks that are quick to attach for use in a production environment?
Is there a connector that I can use with a tinned wire that's easy to attach, are there any solutions available?
I would use a terminal block but having to screw/unscrew several wires in a testing ...
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Trying to fix a mess with DC Power supply
I am not even close to know what I am doing with the electricity, but I have a power supply of my 8 cameras that is gone bad and I think I can manage to replace it myself, but there is a big BUT here. ...
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What is the purpose of terminal blocks with a disconnecting neutral?
The terminal block (Wago 2003-7641) illustrated below has a neutral connection that can be grouped using a bus bar. This makes sense. However, the blue plastic block below can be used to disconnect ...
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Three-phase motor 380 V wiring
I have a motor with this connection. I find it a bit strange that it has two terminals. I think it is a two-speed three-phase motor.
Which diagram from the paper is being used in the connection and ...
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What is the terminal on the photo?
Does any one know what is the name of terminal on the photo? Or what is the kind of the shown connectors, not necessarily the exact one?
I tried sharpening the image and reading off the name but no ...
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What flaws can be found in my Teensy 4.1 Break Out Board for Mini Sumo Robot schematic?
My schematic is divided in 4 different parts for easy understanding. First off, we have the power supply, it is composed of a screw terminal where the positive and negative end of a 3 cell, 11.1v LiPo ...
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Can I pass DC 36V 100A through a terminal block that is rated for DC 300V 30A?
In the system that I am designing, the peak current that the system requires is 80A at 36V DC. The terminal blocks that are available on the market are rated for 300V 30A. I want to know if the ...
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Crimped lugs or screw terminal for high current (100Amp-200Amp) connection
I am tidying the wiring in a motorhome that has got a bit out of hand over the years,
the motorhome runs two 12V house batteries connected in parallel, I want to tidy the birds nest and improve ...
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Wire Prep for Spring Terminal Block
I am assembling an electrical system for a project, and I'm using these terminal blocks because of their ease of use. Currently my wire ranges from 14awg stranded to 20awg stranded (20awg has some ...
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What kind of terminal block is this?
I've perused a few resources (linked below) trying to learn more about this strip / block, but they mostly have side views / cross sections. I just want to know what the things in this picture are ...
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Can a detachable terminal block be problematic for a 433 MHz whip antenna?
I have this board at hand:
It is a gate opener, so it is installed outdoors.
The board has a 433 Mhz receiver, whose antenna goes to a 2-pole terminal block.
Normally, a simple whip is used but, ...
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12V/5A power through DB9
Required to use a DB9 connector to pass DC to unit requiring 12V/5A supply. An easy way to do that is using a DB-9 to Terminal Block adapter. But most DB-9 to TB adapters I see have 3 A or less ...
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Do DIN rail mount interface relay modules with a "spare" terminal exist?
I'm currently designing an industrial control panel that I'd like to be as compact as possible, and was looking at interface relays, and was hoping to find a specific feature, but now I'm not sure it ...
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Splicing out a single pair of wires from buck converter for 2 Arduinos and buttons
I'll need to use my 15W 12-5 buck converter to power both Arduinos and for triggering 3-4 buttons. The buck has a pair of wires on the output so I'm trying to figure out what's the most tidy and solid ...
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Looking For a Specific Connector [closed]
I'm designing a single layer Aluminum PCB and all components needs to be SMD/SMT. I'm looking for a common connector that will deliver DC power at 24V and up to 5A minimum (10A ideally). Right now, I'...
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Using a terminal GND or VCC for multiple boards
If I have a screw terminal block like in the picture below, is it normal practice to use one of the six connections for GND towards multiple external boards?
E.g. I wrap three wires into the ...
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fuse holder block [closed]
I have atached a picture of a multiple fuse and MOV holder. I tried searching for it online to buy, I can't find it, someone direct where to buy a similar multi fuse holder. Fuses are 20mm x 5mm, and ...
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Best practice for adding Resistor to PLC cabinet
My Micro-step drive and PLC need a simple resistor network between their i/o ports.The optocouplers in the stepper drive have a max input current of 15mA, while the controller needs to output at least ...
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Using a thermal fuse in a PCB terminal block?
(This is related to question How to solder a 70 °C (158 °F) thermofuse).
Would it be a good idea to use a temperature/thermal fuse inside a terminal block like the picture below.
I see only benefits:...
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How to stack protoboards solidly?
I have an enclosure and want to add some protoboards inside it. I can place two next to each other, but since I'm a bit out of space I think it's best to stack 3 of them with PCB spacers.
However, I ...
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