Text
External supply + → Terminal 1 → fuse/current protection → optional reverse-polarity protection → board VIN
External supply − → Terminal 2 → board power return

• Required connector support passives: none. This is a passive wire-to-board connection. A resistor or capacitor is not needed merely to make it function.
• Select overcurrent protection for the weakest current-carrying element and credible source fault current; the terminal block does not limit current or interrupt faults.
• Add reverse-polarity protection if field wiring can be reversed. Add surge suppression only after defining source voltage, transient energy, acceptable clamp voltage, and downstream limits.
• Place input bulk capacitance and local IC decoupling according to the receiving circuit's requirements. There is no verified universal 1 µF at the connector requirement.
• Prepare a compatible conductor with 8 mm stripping and tighten to 0.5–0.6 N·m. Do not trap insulation in the clamp or leave loose strands outside the terminal. Flexible ferrules may be used within the listed 0.25–4 mm² range. Manufacturer connection data
• De-energize before installation and provide cable strain relief so cable forces are not carried by solder joints alone. These are safety and mechanical-integration recommendations.

• Use the correct through-hole geometry. The verified nominal geometry is 7.62 mm pitch, 1.3 mm holes, and 0.9 × 0.9 mm square pins. Confirm finished plated-hole tolerances, annular rings, solder-mask openings, and solder-process needs with the fabricator; do not treat an unreviewed generic 7.62 mm footprint as equivalent. Manufacturer drawing data
• Size the complete high-current path. Use short, wide copper or planes and avoid narrow pad exits. Determine trace width from copper thickness, layer location, allowable temperature rise, enclosure cooling, and continuous current; validate the terminal-pad neck-downs, barrels, and any layer-transition vias. IPC-2152 is the relevant current-carrying-capacity design standard, not a justification for a universal width. IPC standard listing
• Review thermal reliefs deliberately. Relief spokes must carry the design current. Solid plane connections can improve current transfer but demand more soldering heat; choose the connection style jointly with the assembler and verify barrel fill. This is engineering guidance, not a prescribed manufacturer relief geometry.
• Preserve insulation spacing. Check copper-edge and pad-edge clearance and creepage, not simply the 7.62 mm center-to-center pitch. Apply the product's required working voltage, overvoltage category, pollution degree, material group, altitude, and insulation class; solder mask alone is not a universal substitute for insulation spacing. The manufacturer lists distinct III/3, III/2, and II/2 ratings. Manufacturer electrical data
• Reserve access and mechanical clearance. Leave room for horizontal wire insertion, conductor bend radius, screwdriver access, adjacent interlocking housings, and the 5.1 mm solder-pin projection below the component seating plane. Use the current 21.5 mm installed height in enclosure planning. Differential-pair routing is not relevant to the power-input example; downstream decoupling belongs near the receiving ICs, not automatically at these terminals. Manufacturer drawing data

1. Treating 32 A / 630 V as an unconditional system rating. Current depends on temperature and the entire conductive path; the stated operating-temperature endpoint is not a full-current guarantee. cULus Use Group B instead lists 30 A / 300 V, and Use Group D 10 A / 300 V. Check the applicable approval and obtain the derating curve before releasing a high-current product. Manufacturer ratings and approvals
2. Using pitch alone to select a footprint or replacement, while overlooking termination details. Matching 7.62 mm pitch does not establish matching hole pattern, wire-entry direction, pin dimensions, solder-pin length, body clearance, or current rating. For the original connector, enforce 8 mm stripping and 0.5–0.6 N·m torque; if two wires are needed in one clamp, verify the manufacturer's separate two-conductor size limits rather than assuming the single-conductor maximum applies twice. Manufacturer connection and dimensional data

• Phoenix Contact — current 1868076 product data, drawing data, approvals, connection data, and commercial data: https://www.phoenixcontact.com/en-us/products/printed-circuit-board-terminal-mkds-5-2-762-1868076 — primary technical source used for this guide.
• Phoenix Contact — manufacturer PDF endpoint: https://www.phoenixcontact.com/en-us/products/printed-circuit-board-terminal-mkds-5-2-762-1868076?type=pdf — PDF processing failed; revision/date and PDF evidence verification unresolved.
• Manufacturer-authored PDF mirrored by SOS electronic: https://cdn.soselectronic.com/productdata/ad/83/74250e38/mkds-5-2-7-62-1868076-1.pdf — found during research; PDF extraction remained pending and was not treated as independently verified evidence. Revision/date unresolved.
• Weidmüller — 0298360000 official product catalog: https://eshop.weidmueller.com/en/top4gs2180-7-62-or/p/0298360000 — alternative identification, configuration, and catalog ratings.
• Würth Elektronik — WR-TBL Series 2534 horizontal-entry official catalog: https://www.we-online.com/en/components/products/TBL_7_62_2534_HORIZONTAL_ENTRY_W_RISING_CAGE_69125341000X — exact alternative identification, entry direction, wire range, and status; electrical limits not independently verified here.
• DigiKey — exact 1868076 product listing: https://www.digikey.com/en/products/detail/phoenix-contact/1868076/2511066 — distributor packaging, unit quantity, standard package, and ordering code.
• IPC — IPC-2152 standard table of contents: https://www.ipc.org/TOC/IPC-2152.pdf — identifies the current-carrying-capacity design standard; no numerical trace-width result was taken from this listing.