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NAVEDTRA 14120 Interior Communications
NAVEDTRA 14120 Interior Communications

... health that occurs during your work or duty to your supervisor. l Exercise reasonable caution as appropriate to the situation in the event of an emergency or other unforseen hazardous condition. l Inspect equipment and associated attachments for damage before using the equipment. Be sure the equipme ...
hps servicing guide - American Electric Lighting
hps servicing guide - American Electric Lighting

... damaged gloves immediately. Keep your high-voltage gloves in the glove bag located in the bucket so they will always be available when needed. 10. Always wear proper eye protection whenever you work on luminaires or replace a lamp. Although not a common problem, lamps have been known to shatter due ...
Liebert Distribution Monitoring (LDM)
Liebert Distribution Monitoring (LDM)

Short-Circuit Current Rating (Calculations and Marking) 2008 SPD
Short-Circuit Current Rating (Calculations and Marking) 2008 SPD

... determined by product testing. For assemblies, the marking can be determined through the equipment product listing standard or by an approved method. With the release of the UL 508A, UL Standard for Safety for Industrial Control Panels, an industry-approved method is now available. UL 508A, Suppleme ...
MAX6342–MAX6345 6-Pin µP Reset Circuit with Power-Fail Comparator General Description
MAX6342–MAX6345 6-Pin µP Reset Circuit with Power-Fail Comparator General Description

... 0.5V above the actual reset threshold and ending below it by the magnitude indicated (reset comparator overdrive). The graph indicates the maximum pulse width a negative-going VCC transient can have without causing a reset pulse. As the magnitude of the transient increases (goes further below the re ...
Probes-Lab
Probes-Lab

... An ideal probe has infinite impedance so it doesn’t draw any signal current from the device. If the probe does not load the device then it will not change the operation of the circuitry behind the test point, nor will it change the signal seen at the test point. In practice, a probe with zero loadin ...
The Role of Isolation Transformers in Data Center UPS Systems
The Role of Isolation Transformers in Data Center UPS Systems

Electronics 123
Electronics 123

... and see the products firsthand, however for your convenience all the products may also be ordered from our website. Electronics123 is a well-established company providing a service to thousands of electronic hobbyists, students and professionals throughout South Africa. ...
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Residual Current Protective Devices

CD4051, CD4051-SMD, CD4052, CD4052-SMD, CD4053
CD4051, CD4051-SMD, CD4052, CD4052-SMD, CD4053

NLSX4373 - 2-Bit Dual Supply Level Translator
NLSX4373 - 2-Bit Dual Supply Level Translator

... limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for ea ...
The SolarEdge Modbus Meter
The SolarEdge Modbus Meter

...  4. Connect the RS485 twisted pair cable to the 4-pin terminal block of the  meter:   a. Connect the wires to the A+ and B- terminals, and connect the shield to the G terminal.  b. Insert the 4-pin terminal block into the socket on the meter making  sure it is fully seated in the meter  5. Check tha ...
MAX14591 High-Speed, Open-Drain Capable Logic
MAX14591 High-Speed, Open-Drain Capable Logic

Solid-state Power OFF-delay Timer H3DR-H
Solid-state Power OFF-delay Timer H3DR-H

ADM9690 数据手册DataSheet 下载
ADM9690 数据手册DataSheet 下载

... Voltage Monitoring Input. 0 V. Ground reference for all signals. Logic Output. RESET(1) goes low if VMON falls below the Reset Threshold or the Watchdog timer is not serviced within its timeout period. The reset threshold is typically 4.4 V for the ADM9690. RESET(1) remains low for 50 ms after VCC r ...
CD4011BC Quad 2-Input NAND Buffered B Series Gate
CD4011BC Quad 2-Input NAND Buffered B Series Gate

CD4001BC * CD4011BC Quad 2-Input NOR/NAND Buffered B
CD4001BC * CD4011BC Quad 2-Input NOR/NAND Buffered B

... 2. A critical component in any component of a life support 1. Life support devices or systems are devices or systems device or system whose failure to perform can be reawhich, (a) are intended for surgical implant into the sonably expected to cause the failure of the life support body, or (b) suppor ...
type b tpn distribution boards
type b tpn distribution boards

... box or the provision of suitable sized cable trunking is required to accommodate incoming cabling. A new cable trunking interface kit is available to provide additional mechanical protection of incoming cables. A choice of metering solutions are available as standard, providing clear electrical cons ...
MIL-HDBK-419A Grounding, Bonding, and Shielding
MIL-HDBK-419A Grounding, Bonding, and Shielding

MAX6315 Open-Drain SOT µP Reset Circuit ________________General Description ____________________________Features
MAX6315 Open-Drain SOT µP Reset Circuit ________________General Description ____________________________Features

... A microprocessor’s (µP’s) reset input starts the µP in a known state. The MAX6315 asserts reset to prevent code-execution errors during power-up, powerdown, or brownout conditions. RESET is guaranteed to be a logic-low for V CC > 1V (see the Electrical Characteristics table). Once VCC exceeds the re ...
TEK P6205 Instruction
TEK P6205 Instruction

Power Supplies - Peat Wholesale
Power Supplies - Peat Wholesale

... you need to know the power your appliance requires. If your appliance does not specify this, use the following equation to work it out. ...
Low voltage motors Motor guide
Low voltage motors Motor guide

... 1.2 IEC low voltage motor ranges In this overview, motors are classified primarily according to their fundamental physical differences, and secondarily, according to their purpose of use. Accordingly, we divide motors into two ranges of induction motors, four types of motors for explosive atmospher ...
Design Considerations For Logic Products
Design Considerations For Logic Products

... outside their recommended operating conditions. Section 2, Backplane Design, includes reports on TI’s Gunning Transceiver Logic (GTL) and Backplane Transceiver Logic (BTL) families. Aspects of line reflection and live insertion also are considered. Each design is ultimately the result of several ind ...
MAX3397E Dual Bidirectional Low-Level Translator in µDFN General Description
MAX3397E Dual Bidirectional Low-Level Translator in µDFN General Description

... a multivoltage system. Externally applied voltages, VCC and VL, set the logic levels on either side of the device. A logic-low signal present on the VL side of the device appears as a logic-low signal on the VCC side of the device, and vice versa. The MAX3397E utilizes a transmission-gate-based desi ...
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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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