A power distribution terminal block takes one incoming power line and sends it to several outgoing circuits. JTS codes help show how the main line connects. Some versions use a cable lug. Some connect to a copper busbar. Others clamp the stripped conductor directly.
A “B” or “2D” in the model name can also point to the connection or cover style. Once you know these parts, comparing models gets much easier.
Three Ways to Connect a JTS Power Distribution Terminal Block
JTS blocks use three common line-in methods: cable lug, busbar, and direct conductor.
A cable lug is crimped onto the end of a cable. The flat lug then sits on the terminal and is held by a bolt or screw.
A busbar connection uses a flat copper bar. It can link the block to another power part inside the panel.
A direct conductor connection needs no lug. The stripped cable enters the block, and a screw clamp holds it.
All three methods can work well. The best one depends on the cable, cabinet space, current, and the way the panel is built.
Cable Lug/Busbar Line-In (JTS3-B Series)
In the HYJXH JTS range, a model with “B” uses a cable-lug or busbar line-in.
This type fits a main cable that already has a crimped lug. It can also work when the incoming feed comes from a copper busbar.
The lug, bolt hole, cable size, and crimp must match. The flat contact areas should also stay clean and sit evenly. A poor fit can make the connection harder to tighten.
A busbar line-in may save room when the block sits near the main power bar. It can also avoid bending a thick cable through a tight panel.
The JTS2D-120B terminal block supports cable-lug and copper-busbar input. Its listed versions use one input and two to eight outputs.
The FJ6/JTS2D-B series power distribution terminal blocks are suitable for power and circuit distribution in electrical control equipment, switchgear assemblies, distribution boxes, and multi-circuit enclosures.
INQUIRY NOWDirect Conductor Connection (JTS3 Series)
A JTS3 model without “B” uses direct conductor line-in within this product family.
The installer strips the cable and places it inside the clamp. A screw presses the conductor against the current-carrying part.
This method needs fewer parts because there is no cable lug. It can also make wiring faster when the cable enters the block in a straight path.
The strip length still matters. The conductor must go in fully, with no loose strands left outside. The screw must be tightened to the value given for the product.
The JTS3-150 terminal block uses direct screw clamping. It can mount on a standard 35 mm DIN rail or on a panel.
This screw terminal block style is made for larger power feeds, not small signal wiring.
The FJ6/JTS3 series power distribution terminal blocks are suitable for power and circuit distribution in electrical control equipment, switchgear assemblies, distribution boxes, and multi-circuit enclosures.
INQUIRY NOWFlip-Cover Versions (JTS2D Series)
JTS2D models use a flip-type protective cover.
The cover opens during wiring and closes over the connection points after the work is done. This gives the installer access to the screws while keeping the terminals covered in normal use.
JTS2D comes in both main line styles. A JTS2D model with “B” uses a cable lug or busbar. A JTS2D model without “B” uses a direct conductor.
This is why the full code matters. “JTS2D” shows the family and cover style. The “B” helps show how the incoming line connects.
Among DIN rail terminal block types, JTS2D is built for power branching rather than simple wire-to-wire joining. HYJXH lists these blocks for standard 35 mm rail or fixed panel mounting.
Which Connection Method Fits Your Project?
Start with the incoming line.
Choose a cable-lug version when the feeder already has a lug or the panel drawing calls for a bolted cable end. Check the lug hole, cable range, and contact surface.
Choose a busbar version when the block must connect to a copper bar. Check the bar size, position, and room around the mounting point.
Choose direct conductor line-in when you want fewer parts and the cable can enter the clamp cleanly.
Then check the outputs. JTS codes may show how many branch connections the block has and the conductor size they accept. For example, “/4*16” can point to four outputs for the stated size range on that exact model.
Do not compare terminal block types by the family name alone. Check the full data table, drawing, and mounting notes before ordering.
FAQ
What Does “B” Mean in a JTS Code?
In the HYJXH JTS families covered here, “B” marks a cable-lug or copper-busbar line-in. The matching version without “B” may use direct conductor input.
Is a Busbar Better Than a Cable Lug?
Not always. A busbar works well for short, fixed panel links. A cable lug works well when a large cable feeds the block. The panel layout decides which one fits better.
Can a Direct Conductor Model Hold a Cable Lug?
Do not assume it can. The clamp may be made for a stripped conductor, not a flat lug. Follow the line-in method shown for the exact model.
Is Every JTS Block a DIN Rail Terminal Block?
No. Some models support DIN rail mounting, while some also allow fixed panel mounting. Check the product notes before choosing.
Read the Full Code Before You Choose
JTS codes can show the line-in method, cover style, input size, and output layout.
A cable lug gives a bolted cable end. A busbar makes a flat panel link. A direct conductor goes into a screw clamp with fewer parts. Reading these details first helps you choose a distribution block that fits the cable, cabinet, and work method.
