Molex Micro-Fit 3.0 8-Circuit Board Connector (Receptacle)

The Molex 43045-0800 is an 8-circuit Micro-Fit 3.0 PCB receptacle connector with a 3.0 mm pitch, providing eight independent power or signal circuits in a dual-row (2×4) through-hole PCB layout. The 8-circuit count is the most versatile count in the Micro-Fit 3.0 family, covering the full power supply connection for a dual-supply (+V, GND, +V, GND) arrangement with four additional auxiliary signal or I/O circuits routed through the same connector housing — a design approach common in Saudi panel OEM PCB assemblies where real estate is at a premium and the number of discrete connectors on a PCB directly affects manufacturing and inspection time. With 5 A per circuit at 600 V, the 43045-0800 provides 40 A aggregate current capacity — more than sufficient for powering a multi-output SMPS (switched mode power supply) PCB in a DIN-rail mount industrial power supply module.

The 43045-0800 shares the same UL94 V-0 PA66 housing material and tin-plated copper alloy contact technology as all Micro-Fit 3.0 receptacles, with the dual positive-retention latch on the mating wire plug providing the click-confirmation characteristic that allows panel assembly quality assurance in Saudi OEM shops to be performed auditorially during build rather than requiring a later electrical continuity test pass. The dual-row layout places all 8 contacts within a PCB footprint of 6 mm × 12 mm, and the right-angle variant enables front-panel access wiring from the bezel edge of DIN-rail modules without requiring the technician to access the rear of the PCB — a significant ergonomic advantage in the dense wiring environment of a fully populated marshalling cabinet in a SABIC or ARAMCO DCS installation.

In the Saudi industrial context, the 8-circuit Micro-Fit 3.0 receptacle is a critical component in the supply chain for Saudi panel builders constructing digital signal isolator banks, HART multiplexers, and multi-channel 4–20 mA distribution amplifiers — devices that appear in the hundreds to thousands in large ARAMCO processing plants and SABIC petrochemical complexes. These sub-assemblies frequently require an 8-circuit power and signal input connector that combines the dual 24 V DC supply inputs (primary and redundant), four signal inputs, and two diagnostic outputs in a single connector body. The Micro-Fit 3.0 8-circuit layout satisfies this requirement without the larger physical footprint of Mini-Fit Jr or the reduced current capacity of JST SH and similar fine-pitch connector families. NEOM's smart-city modular electronics architecture specifies Molex Micro-Fit 3.0 as the preferred internal PCB connector family for custom-designed building automation and energy management sub-assemblies manufactured for the NEOM supply chain.

Razz Middle East maintains stock of all Micro-Fit 3.0 circuit counts from 2 to 24 positions, supporting the full range of industrial PCB assembly requirements from small relay modules to complex multi-rail power distribution boards. We supply both unpolarised housings for general-purpose use and polarised custom-coded variants for specific PCB layouts that require connector orientation enforcement during field maintenance. Standard delivery is within 24 hours from Riyadh and Dammam for quantities up to 1,000 pieces, with SAR quotations returned within 4 hours.