Standard terminal blocks are in strips of 12 and are stocked in polyethylene and nylon. The nylon blocks are available in screw terminal or screw terminal with wire protection flap, while the polyethylene are only available without the wire protector flap. Ratings are from 6 amp to 50 amp / 400 volts.
The PCB terminal blocks come in solder mount or pluggable which mount onto a header strip with 5mm pin spacing, they are either 2 or 3 poles that interlock together to make up the number of poles required.
Solder mounts have a green housing, they accept wires 0.25 sq mm to 2.5 sq mm and are rated 250 volt / 12 amp. The Pluggable units have a blue coloured housing, accepting wires of 0.25 sq mm to 1.5 sq mm, they are rated 250 volt / 10 amp.
NPA | Wiring Accessories & P.C.B. Hardware
Major product lines distributed by NPA include:
Heyco Products Inc. offers an extensive selection of strain relief bushings, insulating bushings, nylon hole plugs, liquid tight fittings, cable clips and clamps, IEC connectors, wire positioning and terminating products.
Keystone Electronics Corp offers battery holders, fuse clips and holders, micro pins and micro jacks, quick-fit terminals, plugs and jacks, screw terminals, LED spacers, instrument handles, plus much more. Micro Plastics Inc, the world's largest manufacturer of nylon fasteners, featuring: Screws, bolts and threaded rod, nuts, washers and screw insulators, nylon spacers and PCB mounts, panel clips and fasteners, wire positioning hardware and accessories and circuit board hardware.
Micro Plastics product offering includes screws, nuts, washers, spacers, bushings, panel fasteners, hole plugs, circuit board hardware, hose clamps, wire handling clips, cable ties, and more. Their plastic fasteners are molded in tough, corrosion-resistant Nylon 6/6, but are also available in a variety of other materials. With a wide array of capabilities Micro Plastics, Inc. is poised to meet your every fastener need; offering custom molding, professional color-matching and custom packaging solutions.
NPA Products offers cable ties and accessories, pre-insulated terminals, compression lugs, insulated ferrules, tube plugs and caps, heatshrink tubing, tools and nylon wall anchors.