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Home Products Connectors, Interconnects Terminal Blocks - Headers, Plugs and Sockets 1890390000
1890390000
Part Number 1890390000
Manufacturer Weidmüller
Description TERM BLOCK PLUG 19POS STR 5.08MM
Quantity Available 1741 pcs new original in stock.
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Datasheets 1890390000.pdf
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Technical Information of 1890390000
Manufacturer Part Number 1890390000 Category Connectors, Interconnects
Manufacturer Weidmuller Description TERM BLOCK PLUG 19POS STR 5.08MM
Package / Case Bulk Quantity Available 1741 pcs
Wire Strip Length 13mm Wire Gauge or Range - mm² 0.2-2.5mm²
Wire Gauge or Range - AWG 14-26 AWG Voltage - UL 300 V
Voltage - IEC 400 V Type Plug, Female Sockets
Torque - Screw 0.4-0.5 Nm (3.5-4.4 Lb-In) Termination Style Screw - TOP Clamp
Series Omnimate BL Screw Size M2.5
Positions Per Level 19 Plug Wire Entry 180°
Pitch 0.200' (5.08mm) Package Bulk
Operating Temperature -50°C ~ 100°C Number of Positions 19
Number of Levels 1 Mounting Type Free Hanging (In-Line)
Material Flammability Rating UL94 V-0 Insulation Height -
Ingress Protection - Housing Material Polybutylene Terephthalate (PBT)
Header Orientation - Features Ejector Latches, Retention Latches (Non-Wire Side)
Current - UL 17 A Current - IEC 27A
Contact Tail Length - Contact Mating Finish Tin
Contact Material Copper Alloy Color Orange
1890390000 are New and Original in Stock, Find 1890390000 electronics components stock, Datasheet, Inventory and Price at Ariat-Tech.com Online, Order 1890390000 Weidmüller with warrantied and confidence from Ariat Technology Limitd. Ship via DHL/FedEx/UPS. Payment with Wire Transfer or PayPal is OK.
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Frequently Asked Questions

  • How does the 19-position configuration and 5.08mm pitch of the 1890390000 Omnimate BL terminal block plug affect the overall layout in a compact industrial control cabinet? The 1890390000 Omnimate BL terminal block plug's 19 positions at 5.08mm pitch span approximately 96.5mm linearly, allowing engineers to arrange connections in a single row that fits within standard cabinet widths while providing enough space for label printing and tool access, thus optimizing panel space utilization without overcrowding.
  • What are the design considerations for wire gauge selection when using the 1890390000 terminal block plug with its 14-26 AWG and 0.2-2.5mm² range? Selecting wires in the 14-26 AWG range for the 1890390000 ensures compatibility with its top clamp, where a 2.5mm² conductor can handle sustained currents near the 17A UL rating, but derating for ambient temperature or bundling may be necessary to prevent overheating in bundled harnesses.
  • In what way does the 300V UL and 400V IEC voltage rating of the 1890390000 influence its suitability for low-voltage DC applications versus AC systems? The 1890390000's 300V UL rating is well-suited for standard 120/240V AC systems in North America, while the 400V IEC rating supports European 230/400V setups; in DC applications, however, the voltage must stay below these to avoid arcing risks at higher potentials.
  • How should the 17A UL and 27A IEC current ratings of the 1890390000 be accounted for when sizing conductors in a power distribution circuit? The 17A UL current rating for the 1890390000 implies that each terminal can safely carry up to that without exceeding temperature rise limits, so in a circuit distributing 20A to multiple outputs, parallel wiring or larger gauge conductors become necessary to avoid cumulative heating at the connections.
  • What practical implications arise from the -50°C to 100°C operating temperature range of the 1890390000 when deploying it in refrigerated or heated industrial environments? The 1890390000's -50°C to 100°C range makes it appropriate for food processing plants with refrigeration (below 0°C) or high-heat areas up to 80°C, but care must be taken with copper alloy contacts to prevent thermal expansion mismatches that could loosen connections at extremes.
  • Why might the ejector latches and retention latches featured in the 1890390000 terminal block plug simplify field maintenance and troubleshooting? The ejector latches on the 1890390000 allow quick removal of the plug for maintenance without disturbing adjacent wiring, reducing downtime in 24/7 operations, while retention latches on the non-wire side prevent accidental disconnection during handling.
  • How does the free hanging (in-line) mounting type of the 1890390000 facilitate integration into DIN rail or panel-mounted systems? The free hanging (in-line) mounting of the 1890390000 enables direct panel or chassis mounting without brackets, simplifying assembly in custom machinery where the 180° orientation facilitates overhead or side-entry wiring from above.
  • When would the 1890390000 be preferred over a 7.5mm pitch plug in high-density wiring scenarios requiring multiple connections? The 1890390000 is preferred over a 7.5mm pitch plug when high-density wiring is needed, as it supports 19 positions compared to roughly 12-13 at 7.5mm spacing, enabling more inputs/outputs in the same linear space while keeping terminal current at the 17A UL rating manageable for standard control wiring.
  • In space-constrained designs, how does the 5.08mm pitch of the 1890390000 compare to a 3.5mm pitch alternative for maximizing the number of terminals per square inch? The 5.08mm pitch of the 1890390000 provides better accessibility than a 3.5mm pitch alternative, which could fit up to about 27 positions in the same length but requires more precise handling and smaller tools, potentially increasing assembly errors; the 1890390000 strikes a balance suitable for industrial applications where both density and reliability are important.
  • What mating considerations should be evaluated for the female sockets of the 1890390000 when selecting compatible headers in automation equipment? When selecting compatible headers for the female sockets of the 1890390000, ensure pin lengths of at least 3mm to achieve full mating depth, and consider tin or nickel plating on the contacts to maintain low resistance and prevent oxidation in humid industrial environments.
  • How does the UL94 V-0 flammability rating of the 1890390000 housing contribute to fire safety in enclosed electrical enclosures? The UL94 V-0 flammability rating of the 1890390000 housing ensures self-extinguishing behavior within seconds of ignition, which is essential in enclosed electrical enclosures where arc faults could occur during screw tightening or vibration-induced loosening, thereby reducing the risk of fire propagation.
  • For long-term reliability in vibration-prone machinery, what factors in the 1890390000 design, such as the top clamp termination and copper alloy contacts, help minimize connection loosening? In vibration-prone machinery, the top clamp termination style of the 1890390000 combined with the retention latches helps secure the wire connections against movement, while the copper alloy contacts with tin finish provide stable conductivity; applying the specified 0.4-0.5 Nm torque further locks the assembly to resist loosening over extended operation.
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