1036760000

FAQFrequently Asked Questions

• Can the Weidmüller 1036760000 feed through terminal block handle both 10 AWG solid conductors and 26 AWG stranded wire in the same application? The Weidmüller 1036760000 accepts wire gauges from 10 to 26 AWG (0.5-6mm²), but mixing wire gauges within the same 2-position block requires careful consideration. Solid 10 AWG conductors and stranded 26 AWG wire have different cross-sectional areas and require different screw torque levels to achieve equivalent contact pressure. The screw termination design compresses both wire types against the same internal contact surfaces, so you should verify that your specific wiring harness design accommodates the torque specification for your smallest conductor to avoid over-tightening larger conductors. Most installations maintain uniform wire gauge per terminal block for predictable performance and maintenance.
• What is the voltage and current rating difference between the IEC and UL versions of the Weidmüller 1036760000, and how should I choose which standard applies to my design? The Weidmüller 1036760000 is rated for 800V IEC and 600V UL, with current ratings of 32A (IEC) and 35A (UL). These differences reflect varying safety test methodologies and regional regulatory frameworks rather than physical limitations. IEC ratings apply in European and international markets, while UL ratings apply in North America. Your choice depends on your end-product's geographic market and regulatory certification pathway. If your device targets both markets, use the more conservative IEC 800V specification as your design limit. If certification is UL-only (such as for certain industrial control equipment sold only in North America), the UL 600V/35A ratings are appropriate, but you should still verify that your power supply architecture does not exceed 600V nominal to maintain margin for transient overvoltage conditions.
• Can I use the Weidmüller 1036760000 in a high-frequency switching application, or are there limitations related to the screw termination type? The Weidmüller 1036760000 uses screw termination, which relies on mechanical compression to maintain electrical contact. Screw terminals are susceptible to fretting corrosion and micro-motion loosening under high-frequency vibration or rapid current transients. In switching applications with fast di/dt (current rise time), the inductance associated with the screw terminal connection itself becomes a design factor; the terminal block does not include integral damping or EMI suppression. For high-frequency or high-dI/dt circuits (such as motor drive outputs or switched-mode power supplies), verify terminal block performance through design simulation or worst-case thermal and mechanical testing. If your application involves repetitive contact-making and breaking above 1 kHz or significant current switching edges, consider supplementary mechanical retention (such as lock washers) or evaluate alternatives with spring-cage terminals that provide better immunity to micro-motion.
• Is the Weidmüller 1036760000 suitable as a replacement for older Phoenix Contact or Molex feed through terminal blocks in legacy equipment, and what are the mechanical and electrical compatibility concerns? The Weidmüller 1036760000 (2-position, 6.1mm terminal width, screw termination) may fit in footprints originally designed for similar 2-position screw terminal blocks from Phoenix Contact or Molex, but direct substitution requires verification of multiple factors. Mechanical pitch and mounting hole spacing must match exactly—even 0.5mm differences prevent proper alignment in DIN rail or PCB-mounted installations. Electrical compatibility depends on the original part's current and voltage ratings; if the legacy terminal block was rated lower (for example, 20A vs. the Weidmüller 1036760000's 32A IEC), your PCB traces and mounting hardware may not be sized for the higher current capability, creating a latent thermal risk. Screw torque specifications also differ between manufacturers; using the wrong torque value on the Weidmüller 1036760000 can either under-compress the wire (increasing contact resistance and heat) or damage the screw mechanism. Before replacing a legacy terminal block, obtain the datasheet for both parts, verify mechanical dimensions and mounting compatibility, confirm electrical ratings are equal or superior, and establish the correct screw torque from Weidmüller documentation.
• What stripping length should I use when preparing 14 AWG and 22 AWG wires for the Weidmüller 1036760000, and does incorrect stripping affect contact reliability? The Weidmüller 1036760000 specifies a 10mm stripping length for conductor preparation. This dimension accounts for the depth of the screw terminal cavity and the amount of bare conductor required to ensure adequate contact surface area within the block. Stripping too short (less than 8mm) leaves insufficient bare conductor inside the terminal cavity, reducing contact area and increasing contact resistance; this creates localized heating and potential connection failure under full rated current. Stripping too long (more than 12mm) exposes excessive bare conductor outside the terminal block, creating a shock hazard and increasing the risk of accidental short circuits if adjacent wires touch. For both 14 AWG and 22 AWG, use the same 10mm stripping specification; the wire gauge does not change this dimension. Many OEMs use automated wire stripping tools calibrated to 10mm ±1mm to maintain consistency across production runs.
• How does the thermoplastic Wemid insulation material on the Weidmüller 1036760000 perform in high-temperature industrial environments, and what is the maximum continuous operating temperature? The Weidmüller 1036760000 uses Wemid (polyamide 66) thermoplastic insulation, which is rated UL94 V-0 for flammability but degrades mechanically above approximately 120°C continuous operating temperature. Wemid maintains rigidity and electrical isolation up to this threshold; prolonged exposure to 130°C or higher causes the material to soften, reducing mechanical strength and potentially allowing insulation deformation around the terminal screw or mounting bosses. The terminal block should not be mounted directly on high-temperature surfaces (such as near motor windings or heatsinks) without thermal isolation. If your equipment operates continuously above 100°C ambient or experiences local heating from power dissipation in the terminal itself, verify the actual temperature at the terminal block location through thermal testing or finite element analysis. In some industrial applications (such as kilns or furnaces), external supplementary cooling or relocation of the terminal block to a cooler junction point may be necessary to maintain Wemid integrity and long-term electrical safety.
• Can the screw termination of the Weidmüller 1036760000 accommodate both solid and stranded wire simultaneously in different positions, and are there any practical installation guidelines? Yes, the Weidmüller 1036760000 can terminate solid wire in one position and stranded wire in another within the same 2-position block. Solid wire (such as 10 AWG copper bus bar stock) and stranded wire (such as 18 AWG flexible harness conductor) have different compression characteristics and deformation modes under screw torque. Solid wire compresses predictably and locks in place with proper torque; stranded wire can shift or strand slip if torque is too low or if the wire moves after initial tightening. Best practice is to apply torque to solid conductors first, then apply the same torque specification to stranded conductors while monitoring for strand movement. For installations mixing wire types, use a calibrated torque screwdriver set to the manufacturer's specified value (typically 0.5 to 1.0 N·m for this terminal block size) and verify the connection by attempting to pull the wire axially by hand to confirm it does not slide within the terminal. In production environments, consider using pre-assembled harnesses with matched conductor gauges per terminal block to eliminate manual termination variability.
• What is the minimum voltage isolation distance between adjacent terminals in the Weidmüller 1036760000, and can this terminal block be used in circuits mixing different voltage levels? The Weidmüller 1036760000 is a 2-position block with 6.1mm terminal width, but the datasheet does not explicitly specify creepage or clearance distances between adjacent terminals. Creepage distance (insulation path along the material surface) and clearance distance (straight-line air gap) determine the maximum voltage differential that can be safely applied between adjacent conductors. For safety certification purposes, designs mixing high-voltage and low-voltage circuits in the same terminal block are generally avoided unless the designer can verify that the physical separation and material thickness meet or exceed the applicable regulatory standard (such as IEC 60950-1 for information technology equipment or IEC 61010 for measurement and control systems). If your application requires mixing different voltage levels (for example, 24V control signals and 480V power in adjacent positions), use physically separated terminal blocks or install an insulating barrier between positions. Alternatively, verify through electrical safety testing that adjacent terminals can be safely isolated at your intended voltage differential, or reference Weidmüller's application engineering team for a design review.
• Is the Weidmüller 1036760000 subject to thermal cycling stress in outdoor or automotive applications, and how does this affect screw retention over time? Screw terminal connections are vulnerable to thermal cycling-induced loosening because the screw, wire, and insulation block have different coefficients of thermal expansion. In outdoor equipment or automotive environments experiencing temperature swings from -40°C to +85°C (or wider), differential expansion and contraction can gradually reduce screw clamping force. The Weidmüller 1036760000 plastic housing (Wemid thermoplastic) expands and contracts more than the metal screw and copper wire, causing the screw to progressively loosen over hundreds of thermal cycles. This phenomenon is well-documented in automotive and industrial standards. To mitigate, apply a light threadlocker compound (such as Loctite 243 or equivalent medium-strength formulation) to the screw threads during assembly to prevent loosening, or select mechanical anti-rotation devices (such as lock washers or captive washers). For outdoor or automotive applications, conduct thermal cycling validation testing (IEC 60512 or equivalent) to verify that terminal block resistance remains below your specified maximum contact resistance threshold after 50 to 100 thermal cycles. Periodic inspection and re-torquing may be necessary for critical connections.
• What RoHS and REACH compliance does the Weidmüller 1036760000 provide, and are there any restricted substances or material substitution concerns for supply chain continuity? The Weidmüller 1036760000 is marked as RoHS Compliant and REACH Unaffected. RoHS compliance means the terminal block does not contain lead, cadmium, mercury, hexavalent chromium, or the specified brominated flame retardants above the regulatory thresholds defined by the RoHS 2 Directive (2011/65/EU). REACH Unaffected status indicates the part does not contain substances of very high concern (SVHC) that require pre-notification under the REACH regulation. However, RoHS compliance and REACH status are snapshot certifications valid at the time of manufacture; if supply chain disruptions occur and Weidmüller introduces material substitutions (for example, alternative copper alloys or dielectric materials), these certifications may be affected in future production lots. For long-term supply chain sustainability, establish a material traceability process with your Weidmüller supplier to document any material changes, and maintain technical file documentation (such as Certificate of Conformance) to verify continued compliance if your product requires regulatory re-certification or audit. If your application demands material consistency (for example, specific copper alloy for thermal performance or specific dielectric loss for high-frequency circuits), request material specifications beyond the standard RoHS/REACH declarations.