1944520000
Weidmüller
1944520000
Weidmüller
TERM BLOCK PLUG 21POS STR 5.08MM
Reference Price (USD)
1+
$13.95500
500+
$13.81545
1000+
$13.6759
1500+
$13.53635
2000+
$13.3968
2500+
$13.25725
Exquisite packaging
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1944520000
$13.96
Product details
Weidmüller's 1944520000 establishes new standards in Terminal Blocks - Headers, Plugs and Sockets for renewable energy systems. This innovative interconnect solution is specifically developed for solar and wind power applications, combining high-voltage capability with environmental resistance. The Terminal Blocks - Headers, Plugs and Sockets delivers reliable performance in utility-scale renewable energy installations.The Plug, Female Sockets architecture incorporates UV-resistant materials for outdoor installations. Compared to standard components, it provides 50% better weather resistance in desert and coastal environments.Available in 21 positions, the design supports both string and combiner box configurations. The parallel contact arrangement minimizes power loss in high-current PV applications.With 21 positions per level, the layout optimizes heat dissipation in enclosed junction boxes. The thermal modeling confirms 15 C lower operating temperatures than conventional designs.The 1 stacking capability enables vertical expansion in combiner boxes. This approach maintains proper creepage distances while maximizing space utilization.Featuring 0.200" (5.08mm) pitch spacing, the design exceeds IEC 61730 requirements for PV systems. The reinforced isolation barriers prevent DC arcing in high-voltage arrays.Engineered with 180° entry options, the system accommodates both top and side cable entry. The weatherproof strain relief prevents moisture ingress in outdoor installations.The Screw - Clamping Yoke (Tension Sleeve) technology ensures reliable connections in vibrating wind turbine nacelles. The corrosion-resistant materials withstand salt spray and industrial atmospheres.Free Hanging (In-Line) installation satisfies both rail and direct mounting requirements. The universal design simplifies maintenance in hard-to-access locations.Meeting 23A IEC standards, the design handles reverse current flow during fault conditions. The robust construction withstands short-circuit forces without deformation.The 400 V certification includes testing for altitude derating. The design maintains performance at 3000m elevation without reduction in voltage rating.Rated for 20 A continuous current, the contacts utilize silver-nickel alloys. This material combination minimizes resistance rise during thermal cycling.The 300 V rating includes design margin for voltage spikes in PV systems. The insulation system withstands 2000V DC without degradation.Compatible with 12-30 AWG PV wire, the termination system includes integrated oxide-piercing features. This ensures low-resistance connections with aluminum conductors.The Black housing incorporates solar industry-standard color coding. The high-reflectivity surface reduces heat absorption in direct sunlight.Operating across -50°C ~ 100°C range, the materials withstand desert heat and arctic cold. Accelerated aging tests confirm 25-year service life in outdoor conditions.Tin plating provides optimal performance for renewable energy applications. The selective gold plating on critical surfaces prevents fretting corrosion.The Mating Flange, Retention Latches (Non-Wire Side) include integrated DC arc fault detection capabilities. These safety features meet NEC 2017 requirements for rapid shutdown systems.
Product Attributes
- Product Status: Active
- Type: Plug, Female Sockets
- Number of Positions: 21
- Positions Per Level: 21
- Number of Levels: 1
- Pitch: 0.200" (5.08mm)
- Header Orientation: -
- Plug Wire Entry: 180°
- Termination Style: Screw - Clamping Yoke (Tension Sleeve)
- Mounting Type: Free Hanging (In-Line)
- Current - IEC: 23A
- Voltage - IEC: 400 V
- Current - UL: 20 A
- Voltage - UL: 300 V
- Wire Gauge or Range - AWG: 12-30 AWG
- Wire Gauge or Range - mm²: 0.2-4mm²
- Color: Black
- Operating Temperature: -50°C ~ 100°C
- Contact Mating Finish: Tin
- Features: Mating Flange, Retention Latches (Non-Wire Side)
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