Custom Cable Assemblies

IPC/WHMA-A-620 Class 3 — the workmanship standard used in aerospace and defense cable assemblies — governs every custom cable we produce for robotics applications, including single-prototype builds. Class 3 requires documented inspection at every termination step, pull-tested crimp connections, insulation integrity verification, and test records that ship with each assembly. Most wire harness shops apply Class 2 workmanship to standard catalog orders and reserve Class 3 for regulated programs. We apply it across the board, because an intermittent connection inside a robot arm isn't a warranty return — it's unplanned downtime, recalibration, and root cause investigation that costs more than the harness ever did.

Custom cable assemblies address a specific problem: you have an application that existing cordsets don't cover precisely. The wrong connector orientation relative to your housing, a jacket compound that degrades in your robot's coolant environment, a conductor count that forces you to run three separate off-shelf cables where one custom harness fits, or an AWG specification that leaves insufficient headroom for your actual current load and thermal rise. Off-shelf assemblies are engineered for the broadest market fit. When your requirements land outside that envelope, custom manufacturing is the correct solution — and at volume, usually the cheaper one.

Our capability covers the full spectrum of robotic cable requirements. Conductor range runs from AWG 28 for encoder and sensor signals through AWG 2/0 for high-current motor power feeds. We build round cables, twisted-pair and individually shielded configurations, multi-conductor harnesses combining power, signal, encoder, and motor brake circuits in a single jacket, hybrid assemblies that route electrical and pneumatic elements together, and flat flexible constructions for high-density routing in constrained robotic structures. Connector support spans the full robotics ecosystem: M8 and M12 circular connectors in A, D, X, L, and T codings for sensors and industrial Ethernet; Molex Micro-Fit and Mini-Fit for motor drive connections; JST and Hirose for board-level interfaces; TE Connectivity DEUTSCH and Amphenol for high-current and harsh-environment terminations; Harting Han series for multi-circuit machine connections; and fully custom overmolded interfaces where no standard housing meets the spatial or IP requirements.

Jacket materials — PUR for continuous flex and chemical resistance, PVC for fixed-path installations, TPE for food-grade and cleanroom environments, silicone for sustained temperatures to +200°C, PTFE for chemical inertness and temperatures to +260°C — are selected against your operating conditions rather than defaulted to whatever is most available. Every program includes a no-charge DFM review before the first assembly is built. We check connector orientation against your housing drawing, verify conductor sizing against your current and temperature rise budget, confirm bend radius against your motion profile's minimum flex requirement, review shielding topology against your EMI environment, and flag any material or connector combinations that require qualification before production can proceed. Programs that skip DFM typically find these issues during incoming inspection or, worse, after field deployment.

No minimum order quantity applies at any stage: a single piece for mechanical fit verification, five assemblies for an engineering validation set, 25 for a first-article production run, or blanket orders from 500 to 50,000 assemblies per month — all receive the same test protocols, documentation package, and revision traceability. Prototype lead time runs 7-12 business days from specification confirmation for most assembly types. Production programs include ECN-managed revision control and lot-level traceability on every shipped unit.