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A1225EFT-B

更新时间： 2024-02-01 07:34:18
品牌 Logo 应用领域
快达 - CRYDOM 光电继电器固态继电器输出元件
页数 文件大小 规格书
20页 1264K
描述
Trigger Output SSR,

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A1225EFT-B 技术参数

生命周期：Lifetime BuyReach Compliance Code：compliant
HTS代码：8541.40.95.00风险等级：5.54
光电设备类型：TRIGGER OUTPUT SSRBase Number Matches：1

A1225EFT-B 数据手册

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Glossary of Terms  
I/O Modules  
0.6" Modules  
AC Inputs for 24 V, 120 V, 240 V  
DC Inputs for 3.3 to 32 V, 10 to 48 V  
4 kV Optical Isolation  
Plugs into 0.6" Mounting boards  
Industry Standard Packaging  
UL Recognized, CSA Certified,  
CE Compliant  
M Series  
AC Inputs for 24 V, 120 V, 240 V  
DC Inputs for 3.3 to 32 V, 10 to 48 V  
4 kV Optical Isolation  
Plugs into M Series Mounting boards  
Crydom offers a broad line of digital I/O modules and mounting  
boards. Designed for long, reliable service in demanding industrial  
environments, these modules provide optical isolation between  
logic-level control systems and external loads, such as motors,  
valves, solenoids, resistive heating elements, etc.. Output modules  
within the offer can switch loads up to 5 Amps at 24-280 VAC (Form  
A, SPST-NO, zero-crossing output), or up to 5A/3A at 100/200 VDC  
(Form A SPST-NO). Input modules provide digital feedback to the  
control system when the load is energized and are available with  
inputs up to 280Vac / 48 VDC, with either a 5 VDC or 24 VDC logic-  
level output.  
SM Series  
AC Inputs for 24 V, 120 V, 240 V  
DC Inputs for 3.3 to 32 V, 10 to 48 V  
4 kV Optical Isolation  
Plugs into SM Series Mounting boards  
C4 Series  
Built-in LED Status Indicator  
Regulated Supply Voltage  
4 kV Optical Isolation  
Replaceable 2 AG Type Fuse (output modules)  
Plugs into C4 Series Mounting boards  
Mounting boards available  
0.6" Modules  
M Series  
SM Series  
C4 Series  
Quads  
Number of Modules  
16 24 32  
Quads  
4
6
8
4 Input Circuits per module  
AC Inputs for 24 V, 120 V, and 240 V  
DC Inputs for 4 to 32 V, 10 to 60 V  
4kV Optical Isolation  
Plugs into mounting boards for quad-pack modules  
Terminology  
Control Voltage Range - the range of voltage when applied across the SSR Input terminals,  
will maintain an ON condition across the Output terminals.  
On-State Voltage (Maximum) - The peak voltage that appears across the SSR output  
terminals at full rated load current.  
Control Current - Current drain on the control source at specified SSR input voltages and  
On/Off conditions.  
Phase Control - Turn-On of a non-zero switching SSR (each half cycle), at a phase angle  
determined by the control signal source.  
dv/dt - Maximum rate of rise of voltage applied across the output terminals that the SSR can  
withstand without turning ON. A characteristic of thyristors used in AC SSRs.  
Photocoupler/Isolator - A combination of light-emitting diode and light-sensitive  
semiconductor used to transmit information optically while providing electrical isolation.  
Commonly used isolating element for coupling the control signal to the output in an SSR.  
dv/dt Off State (Static) - Specified as a minimum dv/dt withstand capability of SSRs in the  
off or blocking state.  
Power Dissipation - The maximum average power dissipation (Watts) resulting from the  
effective voltage drop (power loss) in the SSR output semiconductor.  
Form, Contact - Contact or output configuration, as in Form A for Single Pole, Single Throw,  
Normally Open (SPST-NO)  
Rectifier - Asemiconductor used to convert AC power to DC.It allows current to flow in one  
direction (forward) and prevents the flow of current in the opposite directions (reverse).  
Holding Current - The minimum load current required to maintain a thyristor in its  
conducting state.  
SCR - Silicon Controlled Rectifier. Unidirectional semiconductor of the thyristor family with  
latching properties.  
Input Current (Maximum) - Current drain on the control source at specified SSR input  
voltages and On/Off conditions.  
Snubber - A resistor-capacitor combination placed across the SSR output terminals to  
reduce dv/dt and transients in thyristor circuits.  
Isolation Voltage- The value of dielectric strength measured between the input and output,  
input to base, or output to base.  
Solid State Relay (SSR) - Isolated On-Off switch composed of non-moving electrical parts  
(primarily semiconductors, transformers and passive components).  
LED - Light Emitting Diode, commonly used for status indication on some models of SSRs  
and as the light source in a photocoupler .  
Surge Current - The maximum allowable SSR momentary current flow for a specific time  
duration. Typically specified as a peak value for one line cycle for AC.  
Line Voltage Range - The range of voltages applied to the output, over which the SSR will  
continuously block or switch and otherwise perform as specified.  
Thermal Resistance - Expressed in degrees Celsius per watt (˚C/W).This value defines the  
temperature gradient in the path between the power generated in the output SSR  
semiconductor and the final dissipating medium (heat sink/air).  
Load Current Range - The range of current applied to the output, over which the SSR will  
continuously block or switch and otherwise perform as specified.  
Thyristor - A semiconductor bistable device comprising three or more junctions (PNPN,  
MOSFET - Metal Oxide Semiconductor Field-Effect Transistor.The control electrode (gate) is  
generally isolated from the source electrode by a layer of silicon oxide. A voltage applied  
between the gate and the source will provide a current flow between the drain and the source.  
etc). The generic name for a family of gate controlled switches including SCRs and triacs.  
Triac - Bidirectional semiconductor of the thyristor family. Performance is similar to that of  
an inverse pair of SCRs, triggered by a single gate electrode.  
Normally Open (NO) - A contact or SSR output that is open when no control power is  
present at the input (coil). This is a Form A device.  
Trigger - To turn on an SCR or triac.  
Normally Closed (NC) - A contact or SSR output that is closed when no control power is  
present at the input (coil). This is a Form B device.  
Turn-Off Voltage (Must Release) - The voltage applied to the SSR input at or below which  
the output must be in the Off-State (Normally-Open).  
Off-State Voltage - The maximum transient voltage that an SSR output can withstand  
without malfunction or damage.  
Turn-On Voltage (Must Operate) - The voltage applied to the SSR input at or above which  
the output must be in the on state (Normally-Open).  
Americas +1 (877) 502 5500 sales@crydom.com  
Europe +44 (0) 1202 606030 sales-europe@crydom.com  
Questions? Call or e-mail  
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