Fuseology Fuse Facts and Fuse Selection Guide Introduction to Circuit Protection 4 www.littelfuse.com FUSE SELECTION GUIDE Many of the factors involved with fuse selection are listed below: Selection Factors 1. Normal operating current 2.
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Medium voltage fuses are applied quite differently than fuses rated 600 volts and less. Several factors should be considered when choosing the correct Medium Voltage Fuse for different applications. To help your
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sed on Motor HorsepowerMotor horsepower and motor Full Load Amperes (FLA) shown are taken from NEC® Tables 430.248 through 430.250 covering standard speed AC motors with normal. torque characteristics. Fuse ratings for motors with special characteristics may need to. vary from given values.If motor running protection will be provided by the
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Case Studies. EL3100 Ground-Fault and Phase-Voltage Indicator Helps Oil and Gas Company Meet NEC Requirements and Protect Workers from Shock. Bee Cave Drilling Utilizing Littelfuse PumpSavers. Smart Relay Creates Safety and Efficiency Boom.
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Littelfuse Circuit Protection Products Selection Guide. Our team of experts created the Circuit Protection Products Selection Guide to help you quickly find a protection solution appropriate for your application. This comprehensive guide provides a summary of key circuit protection considerations, descriptions of the circuit protection
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Contact Littelfuse Support. The 250A series is a three-phase, auto-ranging, dual-range voltage monitor that protects 190–480 V ac, 50*/60 Hz motors regardless of their size. This monitor offers protection from low- and high-voltage, voltage unbalance, single-phase, and phase reversal. The 250A provides a user-selectable nominal voltage
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Littelfuse now offers an expanded presence in the automotive electronics. and battery end markets with new technologies. Littelfuse has acquired PolySwitch ® devices, 2Pro ® devices, PolyZen ® devices and other circuit protection products. For more information please read the press release here. All acquired products can be found below by
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Medium voltage fuses are applied quite differently than fuses rated 600 volts and less. The biggest difference is that medium voltage fuses are not intended to provide overload protection. They should only be applied in situations where it will not be required to open small overcurrents. Medium voltage fuses offer a much wider range of system
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This user-friendly Fuseology Design Guide makes the fuse selection process quick and easy, helping you optimize the reliability and performance of the application. Specifications, descriptions, and illustrative material in this literature are as accurate as known at the time of
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The Littelfuse models 111P (115 volt, ⅓ to 1hp); 233P-1.5 (230 volt, ⅓ to 1.5hp); and 233P (230 volt, ⅓ to 3hp) are single-phase pump monitors used in a variety of applications to protect from dry-well, dead-head, jammed
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Advanced motor protection model One of the most advanced and for larger, complex motors. Provides customizable dynamic thermal current and temperature protection,
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Considerations for Selecting Littelfuse Varistors for Industrial Motor Applications Circuit modeling is preferred. A short circuit analysis of the peak surge voltage divided by the circuit’s impedance can provide a “worst case” value. However, short circuit analysis would
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Medium Voltage Fuses: Transformer and Motor Sizing Guide. Medium voltage fuses are applied quite differently than fuses rated 600 volts and less. Several factors should be considered when choosing the correct
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Solution Description: Alternistors are used to switch AC currents through motors, heaters and other loads. Triac selection depends on the line voltage, nominal load current, maximum surge load current and the specific trigger circuit employed. Typical Part number Q6008LH4. Companion Solutions:
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Contact Littelfuse Support. The Absolute Rotor Position Sensor is an angular position sensor measuring rotational angle of any rotary application, such as motor position, steering wheel angle, etc. Applications: Small angle sensors; e.g. pedal, vehicle level, valve sensors. Off-shaft or on-shaft implementations.
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Q6008LH4. 8 Amp Sensitive, Standard, & Alternistor (High Commutation) Triacs. Turning table motor circuits can experience current overload, short circuit conditions or voltage transients (ESD ,etc.) and require triac protection to meet regulatory standards or to ensure reliable operation. Click on the green links to find Littelfuse circuit
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HCK Motor Run Capacitor Datasheet. The HCK Series Capacitors are used in single phase motor applications when there is a need for improved torque and efficiency. These run capacitors provide a phase shift to the secondary winding of the motor thereby increasing the torque and power factor. Available in round (R) and oval case options.
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The PGR-6150 Motor Protection System provides 13 protective functions by utilizMore Communications: RS-485 Dimensions: 2.2H X 4.2W X 0.9D, 3.3H X 3.1W X 3.9D Frequency: 50 60 MPU-32 Series-Motor Protection Unit Datasheet Series Details
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Contact Littelfuse Support. The single-phase 77C unit is a fully-programmable, electronic overload relay designed to protect any motor drawing 2-800 full load A (external CTs are required above 90 A).
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Contact Littelfuse Support. The single-phase 77C unit is a fully-programmable, electronic overload relay designed to protect any motor drawing 2-800 full load A (external CTs are required above 90 A). Common applications include conveyor systems, HVAC equipment, saws and grinders, fan motors, and almost any pumping application.
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Series-Littelfuse 777 Current & Voltage Monitor Provides Exceptional Motor Protection. The 777 unit is a fully-programmable, electronic overload relay designed to protect any motor drawing 2-800 full load A (external CTs are required above 90 A). The 777 (family of products) is used for 3-phase, 200-480 V ac applications, with several
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TVS Diodes are silicon avalanche devices typically chosen for their fast response time (low clamping voltage), lower capacitance and low leakage current. Littelfuse TVS diodes are available in both uni-directional (uni-polar) or bi-directional (bi-polar) diode circuit configurations. When selecting TVS Diodes there are some important parameters
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:LittelfuseVoltageThe Littelfuse POWR-PRO CCMR series fuses are best used for protection of small motors, while the Littelfuse KLDR series fuses provide optimal protection for control power transformers and similar devices.
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Capacitors boosts the current and increases the power factor to an. electrical motor. All of our capacitors undergo in-house testing and validation. Plus, we offer easy-to-install hard start kits to improve compressor efficiency. Ideal for HVAC, pool and spa, motors, food service and electronic applications. Motor Hard Start Capacitor Kits.
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Our user-friendly Fuseology Design Guide makes the fuse selection process quick and easy—helping optimize the reliability and performance of your latest electronic
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Find information for part 777-TS from the 777 Series-3-Phase Current & Voltage Monitor Series Motor and Pump Protection, or search for Protection Relays and Controls and
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Ice maker circuits can experience current overload, short circuit conditions or voltage transients (ESD ,etc.) and require triac protection to meet regulatory standards or to ensure reliable operation. Click on the green links to find Littelfuse circuit protection solutions.
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Check out our interactive digital publication, powered by Dirxion, the ultimate flip book platform. The user interface makes reading and searching easy.
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Many of the factors involved with fuse selection are listed below: Selection Factors. Normal operating current. Application voltage (AC or DC) Ambient temperature. Overload current
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This easy-to-use selection guide will quickly pick the optimal SPD size to use for your system. TechPoint TechPoint is the single destination for all electronics technical resources,
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Trituradora de piedra vendida por proveedores certificados, como trituradoras de mandíbula/cono/impacto/móvil, etc.
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