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P Series Panel Meters
ST-45
Standard Electric Works Co., Ltd
● DC up to 30A● AC up to 30A● Case and Composition: Acrylic resin front. Bakelite case. Four studs mounting.● Accuracy :DC : Class 2.0 AC : Class 2.5 Rectifier : Class 2.0● Color：Black case, white scale plate.● Pointer：Tube type, color in black or red.
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Repair of Six Diode Bridge Assemblies, P/N 5989C
CEHCO is specialist in repair of various rectifier assemblies. One such assembly is shown below:Specifications:- Six Diode Bridge Assembly, P/N 5989C- AC input terminals: (3, 4 , 5)- DC output terminals: (1), POSITIVE and (2), NEGATIVE
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150KW AC/DC Rectifier Battery Charger
SD750250G
Zhejiang Sandi Electric Co., Ltd
AC-DC Power Rectifier Battery Charger Customized for Lead Acid AGM Gel LiFePO4 Lithium Battery is for DC battery system charging station. With single-phase or 3 phase non neutral conductor AC input, it has the advantages of high efficiency, high power density and low harmonic. 50-750Vdc output voltage range optional, suitable for all types of batteries.
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F Series Panel Meter
ST-123U
Standard Electric Works Co., Ltd
● Hz Meter : Measuring Ranges : 45~56 Hz, 45~55 Hz, 55~65 Hz Rated Voltage : 110V, 220V Accuracy : Class 2.0 Consumption : Max. 15mA Test Voltage : 2kV. 50-60 Hz● Case and Composition: Polycarbonate front and Polybutylene Terephthalate(PBT). Three studs mounting.● Accuracy : AC class 2.5 DC class 2.0 Rectifier class 2.0● Color：Black case and white scale plate.● Pointer：Sword type color in black.
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M Series Panel Meters
ST-150T
Standard Electric Works Co., Ltd
● M Series all up to 15A● Case and Composition：Acrylic resin front and ABS resin case. Four studs mounting.● Accuracy：Moving coil type : Class 2.0 Rectifier type : Class 2.0● Color：Black case, white scale plate.● Pointer：Tube type, color in black or red.
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5000 AMP DC Rectifier - Air Cooled, P/N 6037C1
Air Cooled SCR Controlled Power Supply, 50 KW, P/N 6037C1Input: 480 VAC, 60 Amps, 3 PH, 60 HzOutput: 6 to 10 VDC, 5000 Amps maxContactor and overload relay are installed for protectionStart / Stop capabilityEPO capabilityManual voltage control and current limitOutput voltage and current are displayed on the voltmeter and ammeterIndoor enclosure, 68″H x 65″W x 36″DAll input/output connections are inside the enclosuresEstimated weight: 1000 lbs.
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40kw High Efficiency AC/DC Power Supply Charger 100-750VDC Charging Rectifier 100A Battery Charger
SD750100G
Zhejiang Sandi Electric Co., Ltd
40kw High Efficiency AC/DC Power Supply Charger 100-750VDC Charging Rectifier 100A Battery Charger is for DC battery system charging station. With three-phase non neutral conductor AC input, it has the advantages of high efficiency, high power density and low harmonic. 50-500Vdc output voltage range optional, suitable for all types of batteries.
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110V / 90 Amp Load
EL12-110M
For Telecom Rectifier and Power Supply testing. This particular Load has been designed to operate with Telecom 110V Rectifiers and Power Supplies with output Voltages in the range of 100V to 135V and is extremely cost effective.
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Rectifier Transformers
Osborne’s Rectifier Transformers are used in conjunction with various rectification configurations to convert AC input to DC output(s). Key characteristics include regulation, transformer utilization and AC ripple. Osborne rectifier transformer designs are often engineered to operate in advanced rectifier circuit applications.
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IGBT Power Supplies - Air Cooled
CEHCO The MSA1000 Rectifiers are based on IGBT Technology. This reliable technology assures excellent quality DC currents with a ripple of < 3% and a control accuracy of less than 1%. The MS-Series features constant voltage and current control with easy, quick installation and maintenance. Modular versions easily increase the output by means of series or parallel connection. All models have DC short circuit protection. With forced air-cooled models, the cooling air quantity is controlled in relation to the load reducing contamination and noise levels.
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Thyristors (SCR)
Featuring immunity to surges and transients in static states and commutations, our silicon-controlled rectifiers (SCR), also known as thyristors, are ideal for single- and three-phase power line networks, even in harsh environments up to 150°C. Thyristors (SCR) belong to our STPOWER family.
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Rectifier
An electrical device that converts alternating current, which periodically reverses direction, to direct current, which flows in only one direction.
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Active Switching Rectifiers, 2 KW, P/N 6016C
- Active Switching Rectifier, 2 KW, P/N 6016C- Input Range: 9 VAC to 35 VAC, 3 PH- Frequency Range: DC to 10 kHz- DC output: 13.5 VDC, 70 Amps without any heatsink (Test #1)- DC output: 13.5 VDC, 150 Amps with heatsink (Test #2)- Dimensions: 8″W x 8″L x 3″H or similar- AC to DC and DC to DC applications- Generates less heat as power MOSFET Switching is used- The output voltage is the same as the input voltage
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Custom DC to DC Converters
CEHCO is manufacturer, re-seller, and distributor of Power Rectification products such as DC Rectifiers, Transformer Rectifier Assemblies, and Custom Power Supplies since 1945.
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Replacement Selenium Rectifiers
Selenium rectifier stacks are made up of selenium cells, which are mounted together and circuited as required for each application. They are available in configurations to suit all of the rectifier circuits.
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48V / 200 Amp Load
EL12-48M
For Battery Discharge testing and Power Supply testing. This particular Load has been designed to operate with Telecom 48V Rectifiers and Power Supplies with output Voltages in the range of 38V to 60V and is extremely costeffective.
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Stationary Industrial And Railway Power Supply
For decades, Gustav Klein has been supplying safe power supplies for industry and railways, such as rectifiers, inverters, DC converters, UPS and BSV systems, as well as frequency converters with a fixed output frequency.
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M Series Panel Meters
ST-118
Standard Electric Works Co., Ltd
● M Series all up to 15A● Case and Composition：Acrylic resin front and ABS resin case. Four studs mounting.● Accuracy：Moving coil type : Class 2.0 Rectifier type : Class 2.0● Color：Black case, white scale plate.● Pointer：Tube type, color in black or red.
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HIGH VOLTAGE SCR CONTROLLED POWER SUPPLY
xPS Series
High Voltage SCR Controlled Power Supply, P/N 18278PS Power Rating: 350 KW. Input: 480 VAC, 3 PH, 60 Hz Output: 0 to 5000 VDC, 70 Amps max Ripple: 2 % approximately at maximum rated voltage Configuration: 12 pulse externally SCR controlled rectifier system Protection Devices: Input contactors Overload relay shutoff Input surge suppressor Thermal switches Output current limiting resistor (made with 5 Ohm Kanthal heating element) Emergency power shutoff Cooling: Each 6 pulse rectifier assembly is cooled by three 10” fans Interface: 4/20 ma converter interface for output voltage and output current to SCR controller. Enclosure: The overall dimension of the unit is (78”H x 38”W x 53”D). It is comprised of two separate enclosures each with dimensions of (78” H x 38” W x 26” D) which are integrated together to form a single enclosure. Each half enclosure has one 6 pulse transformer and one 6 pulse high voltage rectifier. Weight: Approx. 5000 lbs. SCR Controller: The 12 pulse SCR controller is supplied by the customer. We were responsible for the 12 pulses Transformer and 12 pulses Rectifier section. Portability: Unit can be lifted up with a fork lift. It can also be moved around with a 5000 lb pallet jack. Transformer: Two 200 KVA transformers are used to step 480 VAC to 3750 VAC each in a 12 pulse configuration Rectifiers: Two 6 pulse rectifier assemblies capable for 5000 VDC and 60 Amps output were used. The high voltage rectifier assemblies are isolated and protected in a fiberglass plenum within the enclosure. Blocking Diode: Each diode of the 6 pulse rectifier consists of 10 diodes in series to offer a blocking voltage of 12000 V (PIV)
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DC Filament Switching and Line Relays
*Heavy duty Elkonite contact tips*AC and DC versions available*AC versions available with or without internal rectifier PCB*Automated vision system and operator inspection*Comprehensive automated end of line testing*Test Certificates supplied with each relay*Certificate of Conformity supplied with each order*Recertification and repair services available
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Bench Type Panel Meter
ED-305
Standard Electric Works Co., Ltd
● Precision meters for plant maintenance, field servicing and educational purposes.● Taut Band movement with rectifier type.● Multi terminals (4mm socket) for range selection.● Carbon pointer, mirror scale to eliminate parallax error.● High resistance to shock and vibration.● Accuracy：±1.5% F.S.● Scale length：80mm.● Dimension：107(L) × 117(W) × 53(D)mm.● Weight：Approx. 300g.● Meets CE EN 61010-1 CAT Ⅱ 600V EN 61326-1 (for 0~600V)
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S Series Panel Meter
ST-645
Standard Electric Works Co., Ltd
● DC up to 10A● Case and Composition: Acrylic resin front and Bakelite case. Four studs mounting.● Accuracy : Moving coil type：Class 2.0 Moving lron type：Class 2.5 Rectifier : Class 2.0● Color：Black case. yellow scale plate.● Pointer：Tube or knife-type, color in black or red.
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Online UPS
BOXER SERIES 10 - 120 kVA
Equipped with its new IGBT rectifier Boxer series keeps your critical loads protected while its space-saving compact design and front access for maintenance successfully reduce mean time to repair (MTTR).
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Diodes And Rectifiers
Vishay is a world leader in diodes and rectifiers, having a broad technology base and a solid position in automotive, industrial, computing, and consumer markets.
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Refurbished Rectifiers
CEHCO has a large inventory of used and refurbished rectifiers in stock. All include 3 month part warranty.
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Delta DC Rectifier Repair/Refurbishment
Delta DC Rectifiers are used by original equipment manufacturers to build On-Site Sodium Hypochlorite Generator Systems. These power supplies are generally operated at full load for 24/7 operations at high temperatures. Hence, these power supplies must be extremely rugged and must be de-rated significantly to achieve long operating life.
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Selenium Voltage Doubler Rectifier P/N 6063C
Selenium Voltage Doubler Rectifier, P/N 6063CPlate size: 1.6” x 1.6”Each plate is rated for 33 Volts, 9 AmpsNumber of plates: 24
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Traction Test Rectifiers
A traction test system is defined as a rectifier with a DC output voltage above 400 VDC to a maximum of 4,500 VDC. (Kinetics manufactures only air-cooled systems) A Kinetics test system includes the required OSHA designated safety features for testing power supplies as a minimum for operator interface.
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Rotating Electrical
Through its vast distribution network, WAI provides customers in the aftermarket with access to a wide range of product lines they need, when they need them. WAI’s production team is committed to consistently being the First-to-Market with the latest model products. This commitment, paired with the skill and expertise of the team, results in the introduction of more than 500 new products to the aftermarket each year. WAI offers 100 percent new alternators and starters as well as generators, motors, voltage regulators, rectifiers and other components for the Rotating Electrical market.
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230V / 36 Amp Load
EL08-230M
For High Voltage UPS Battery Testing and Power Supply testing. This particular Load has been designed to operate with UPS Battery Systems and Telecom Rectifiers and Power Supplies with output Voltages in the range of 153V to 230V and is extremely cost effective.
