Reviews Three Phase Asynchronous

DC Motor Speed Controller AC 110V Input DC 24V-90V Output Motor Speed Controller Switch Electric Speed Regulator for Permanent Magnet DC Motor 400W DC-51

  • High Precision:Motor speed controller 36V has small size, high precision, wide speed controlling range, low power consumption and long service life.
  • Size: 11.2 × 10 × 6cm/4.4 × 3.9 × 2.3inch.
  • Single Phase Controller:This DC motor speed controller 24V is only suitable for the motor below 1800rpm. A single-phase asynchronous motor speed controller and can be used for 24V, 36V, 90V DC motors. Input Voltage: AC 110V.
  • Wide Application:Adjustable DC motor speed controller 90V can be widely used for speed governing device drivers of packaging, printing, electronics, instrument meter, clothing machinery, medical machinery and other industries.
  • High Quality Circuit Board:This motor speed controller 24V uses high quality electronic circuit and integrated components, sturdy, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage.
  • Fast To Respond:DC motor speed controller is used with single-phase asynchronous motor to realize feedback constant speed and stepless speed regulation. It feels smooth and has good durability.
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Fostex USA Fostex Desktop Headphone Amplifier with DAC Balanced Output HP-A4BL

  • highly precise crystal with low phase noise.
  • Playback 24bit/192kHz PCM and 11.2MHz DSD audio.
  • high performance DAC (Barrbrown PCM1792A).
  • Asynchronous transfer up to 192kHz/24bit compatible with USB Audio 2.0.
  • HI/LO gain selection (10dB) for wider selection of headphones.
  • digital filter selecting roll-off characteristics and cut-off frequencies.
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Garosa Voltage Monitoring Relay, Overvoltage Undervoltage Monitoring Sequence Protector with LED Lights, 480VAC

  • 【Item Main Purpose】This phase sequence protector is mainly used for various fault detection of 3-phase voltage.not easy to be damaged, can be used for a long time without worry..
  • 【5 Indicators To Indicate】Normal, phase loss (voltage three-phase unbalance), reverse phase, overvoltage and undervoltage.We fully guarantee the quality of our products.Please rest assured to buy our items..
  • 【Full-Featured】It integrates three-phase voltage display, over-voltage protection, under-voltage protection, phase-gap protection (phase-break protection), three-phase voltage unbalance protection, phase sequence protection (phase-staggered protection) and acoustooptic alarm..
  • 【Installation Method】The base of the protector adopts a rail type with two screw holes, which can be directly installed separately or mounted on the HT35 rail..
  • 【Application Scenarios】This phase sequence protector is widely used in air compressor, motor distribution box, pump, central air conditioning units, power distribution cabinet, crane, etc.Safety using. If you still have any questions, please send us emails, we're available 24 hours..
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Siemens 3UG4631-1AW30 Monitoring Relay, Single Phase Voltage Monitoring, Screw Terminal, 1 CO Contacts, 0.1-60VAC/DC Measuring Range, 0.1-30V Hysteresis, 0-20s Delay Time, 24-240VAC/DC Auxiliary Voltage

  • 3 INDICATORS-The protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or HT35 rail. Indicated by three indicators: normal, phase loss(voltage three-phase unbalance), reverse phase.
  • PHASE LOSS PROTECTION-Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S.
  • REVERSE PHASE PROTECTION-Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action.
  • VOLTAGE IMBALANCE PROTECTION-Voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance.
  • IDEAL FOR-Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc.
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XtremepowerUS Aquarium Combo Koi Pond Water Aquarium 13W Lamp Filter & 110V 3200GPH Pump Set

  • It is suitable for improving the water quality to provide a clear and healthy pond for your fish.
  • Filter is made of high quality material and the outer covering is high strength, which is durable and waterproof. You can place it on the shore or underground. It can be used for a long time.
  • 3200GPH pond pump is good for waterfalls, fountain, pond filtration systems, or any other pond application.
  • Using with a high-performance single-phase capacitor running asynchronous motor, it completely waterproof and sealed, waterproof level IP68, and overheating protection.
  • Package Contents: Koi Pond Filter, Inlet/Outlet Adapter, Pond Pump and Manual.
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Digital Phase Indicator , Akozon SP8030 Digital Phase Rotation Indicator LED Buzzer Phase Sequence Meter 200 ith Bag

  • It is durable, reliable and light-weight handheld device, which is necessary tool for those who often install, repair or maintain three-phase system or motor..
  • Without a need to link testing line, the motor rotation direction can be decided by placing this indicator above the motor and aligning it with motor drive shaft..
  • Used to test phase sequence input of three-phase voltage, to indicate phase line L1, L2 and L3..
  • PM5900 Motor and Phase Rotation Indicator is used to test magnetic field direction of three-phase system, phase rotation, motor rotation direction..
  • It also supports non-contact type magnetic field rotation direction test (motor rotation direction test)..
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Phase Sequence Meter, 60V ~ 600V AC 3 Phase Sequence Rotation Tester, with 5 LED Lights, for General Measuring Tool

  • It is durable, reliable and light-weight handheld device, which is necessary tool for those who often install, repair or maintain three-phase system or motor..
  • Used to test phase sequence input of three-phase voltage, to indicate phase line L1, L2 and L3..
  • PM5900 Motor and Phase Rotation Indicator is used to test magnetic field direction of three-phase system, phase rotation, motor rotation direction..
  • Without a need to link testing line, the motor rotation direction can be decided by placing this indicator above the motor and aligning it with motor drive shaft..
  • It also supports non-contact type magnetic field rotation direction test (motor rotation direction test)..
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Omron K8DS-PH1 Phase Monitoring Relay

  • The base of the protector adopts a rail type with two screw holes, which can be directly installed separately or mounted on the HT35 rail..
  • Use 5 indicators to indicate: normal, phase loss (voltage three-phase unbalance), reverse phase, overvoltage and undervoltage..
  • Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S..
  • Overvoltage protection means that the voltage of the protected line is higher than the set value, and the delay is 3~8S, and the recovery is 6~20VAC..
  • Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action..
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1Pcs Photocell Cap,TwistLock Photocell Shorting Cap,Photo Control Sensor Receptacle with Surge Protection,Dusk to Dawn 3 Prong Bypass Cap

  • ◆ Function: phase sequence detection, live line check, simple performance check, live cable identification, phase loss assessment, search for cable break position, detection of DC line break point, line maintenance.
  • ◆ Non-Contact Inspection: Non-contact inductive measurement of the terminal type without opening the cable, without touching the exposed high voltage fire cable, with the three highly insulated super inductive terminals inserted directly into the cable insulation skin 3-phase live detection for safe and quick productivity..
  • ◆ Positive and Negative Phase: With the LED display, dynamic sound and light perfectly show the positive or negative phase of the phase sequence of the three-phase power supply, which can be seen at a glance..
  • ◆ Magnetic base: The base plate of the instrument is equipped with 4 magnets that can stand a quality of 800 g. They can be attached to the metal case of the device during the test, and it is convenient and convenient to use..
  • ◆ Wide Voltage Test: This phase meter can detect three-phase voltages from 70V to 1000V and has excellent performance..
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RioRand 400W 6-60V PWM DC Brushless Electric Motor Speed Controller with Hall

  • 1.Humanized design,the interface adopts binding posts,standard heat sink,integrated speed regulating potentiometer on the board,it can be used when the power is on,save time and effort..
  • 2.Full patch technology,stable performance,with forward and reverse, brake function.Electric Motor Speed Controller Brushless Controller with Hall..
  • 3.Wide voltage 6-60V high power 400W DC three-phase brushless with Hall controller..
  • 4.High-power 400W DC three-phase brushless with Hall controller, support PLC 0-5V analog control, support PWM control, amplitude 2.5-5V.
  • 5.There are three relatively thick phase wires on the motor, and there are also three phase wire interfaces on the driver board. They are marked with the characters of MA, MB, MC and other similar characters, and they are also connected respectively..
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3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector

  • The Composition of This Product: Three-phase voltage protector, chronograph and counter are integrated in one relay..
  • Function: This voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection..
  • Practicality: This 3-phase voltage relay does not require an external power supply. Has practical functions: power delay, output test, etc.
  • 2 rest modules are optional, manual and automatic..
  • The LCD can display data for easy reading..
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HiFi Decoder SMSL SU-8 2ES9038Q2M USB PCM32 768kHz DSD64 DSD512 DSD Balance DAC Decoder

  • ESS technology latest ES9038Q2M DAC, with the new 32-bit HyperStream II architecture, improving sound quality and DoP function..
  • 2nd generation of XMOS USB audio solution xCore200, PCM sampling rate supported up to 32bit/768kHz and DSD up to DSD512..
  • Ultra-low jitter asynchronous design and using ultra-low phase noise crystal as audio clock..
  • Every input port supported DSD streaming, coaxial and optical supported to DSD64 by DoP technology via 24bit/176.4kHz SPDIF frame..
  • There is 9 types of Sound color setting, not the digital filters, this feature using the DSP of ES9038Q2M to adjust the level of 2nd and 3rd distortion, make it sounds different..
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xDuoo XD-05 Plus Portable Desktop Headphone Amplifier 32bit/384kHZ DSD256 DAC Headphone Amplifier (Silver XD-05 Plus)

  • ► Portable headphone amplifier: No matter where you are,you can enjoy the high quality music. Support USB/Coaxial/Optical/AUX IN, can be connected various multimedia devicesall digital in..
  • ► Professional high performance chips: Adopts XMOS XU208 and AK4493EQ chips, work in asynchronous transfer mode, support up to 32bit/384kHz and DSD256 signal, present more musical details..
  • ► Easy to drive lots of headphone: 1000mw output power(32ohms load), comparable to desktop headphone amplifier, easy to drive high impedance headphones..
  • ► Powerful battery: Built-in 3.8V5000mah rechargeable li-polymer battery, long playback time. ≥13H( USB IN,≥21H( SPDIF IN,≥40H( AUX IN).
  • ► Adopts two active Low Phase Noise Crystal Oscillators work with CPLD reduced Jitter to undetectable level. Use Dual interchangeable op amp, it could be replaced by yourself..
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