Overview of Molex 3.81mm Pitch Electrical Terminal Block
Molex presents a robust terminal block solution with a pitch of 3.81mm, designed for secure, reliable contact in varied circuit configurations, ranging from 2 to 21 circuits. It forms part of the industry-standard electrical components offering compatibility and ease of use with a captive screw mechanism ensuring wires are held firmly in place.
Key Features and Benefits
The Molex terminal block features a highly flame-resistant housing, high insulation resistance, and a wide operating temperature range suitable for demanding environments. The physical housing is constructed of durable Polyester PBTP rated UL94 V-0 in black, with contact points made from Berylium Copper and Tin plating for conductivity and corrosion resistance. Pressure clamps are made from Brass with a protective Nickel plating layer.
Electrical and Mechanical Specifications
Rated for a voltage of 300V and capable of supporting a maximum current up to Amp, this series ensures reliability in circuit integrity. It showcases an excellent insulation resistance of over 5,000 Megaohms and is compatible with wire ranges from 16 to 26 AWG (1 to 0.2mm²). The terminal blocks also offer a secure tightening torque recommendation of 3 inch-pounds (0.34 Nm).
Operating Conditions and Physical Attributes
The operating temperature capability extends to as high as 130°C, with a wire strip length requirement of 1/4″ or 6mm, facilitating ease of installation for varying wire gauges. Special attention has been given to polarization to mitigate erroneous connections. The clamping screws are 2.0mm steel with a Zinc chromate plating for additional environmental protection.
Regulatory Compliance and Ordering Information
The product meets stringent certifications with UL File No. E48521 and Guide No. XCFR2, alongside CSA File No. 025562, to assure compliance with North American standards. Ordering information is customizable to specific circuit needs, by specifying the number of circuits within the given range. Available options include Tin plated or Gold plated contacts, providing versatility according to application requirements.
Consultation with the factory is encouraged for imprinting and other options to tailor the terminal block to unique needs. The product is additionally detailed with corresponding part numbers for both Tin and Gold plated variants to promote efficient and precise ordering.
Reference Drawings and Dimensions
A catalog drawing reference is available, though only for illustrative purposes. The ordering instructions dictate a simple alteration to the part number to reflect the chosen number of circuits, ensuring a smooth ordering process. Precise dimensions for each configuration are tabulated to aid accurate integration into various applications.
References:
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