Solid State Relay Industrial Electrical Controls Line 24~480V Control 3~32VDC 90~280VAC
Product Details
| Product Name: | SSR | Type: | Solid State Relay |
|---|---|---|---|
| Control Volt: | DC12, DC24, AC110~240,AC380 Etc. | Acceossories: | Available |
| Load Current: | 10~120A | Line Voltage: | 24~240VAC, 48~480VAC, DC Type Available |
| Highlight |
ac contactor switch,home ac contactor |
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Product Description
CHINT Solid State Relay NJG2 DC-AC, AC-AC Control Voltage 3~32VDC, 90~280VAC, Line voltage 24~480V, Load current 10~120A
SSRs (Solid State Relays) have no movable contacts. SSRs are not very different in operation from mechanical relays that have movable contacts. SSRs,however, employ semiconductor switching elements, such as thyristors, triacs, diodes, and transistors.Furthermore, SSRs employ optical semiconductors called photocouplers to isolate input and output signals. Photocouplers change electric signals into optical signals and relay the signals through space,thus fully isolating the input and output sections while relaying the signals at high speed.
SSRs consist of electronic parts with no mechanical contacts.Therefore, SSRs have a variety of features that mechanical relays do not incorporate. The greatest feature of SSRs is that SSRs do not use switching contacts that will physically wear out.
SSRs are ideal for a wide range of applications due to the following performance characteristics.
・ They provide high-speed, high-frequency switching operations.
・ They have no contact failures.
They generate little noise.
・ They have no operation noise.
A solid-state relay (SSR) is an electronic switching device that switches on or off when a small external voltage is applied across its control terminals. SSRs consist of a sensor which responds to an appropriate input (control signal), a solid-state electronic switching device which switches power to the load circuitry, and a coupling mechanism to enable the control signal to activate this switch without mechanical parts. The relay may be designed to switch either AC or DC to the load. It serves the same function as an electromechanical relay, but has no moving parts.
Packaged solid-state relays use power semiconductor devices such as thyristors and transistors, to switch currents up to around a hundred amperes. Solid-state relays have fast switching speeds compared with electromechanical relays, and have no physical contacts to wear out. Application of solid-state relays must consider their lower ability to withstand momentary overload, compared with electromechanical contacts, and their higher "on" state resistance. Unlike an electromechanical relay, a solid-state relay provides only limited switching arrangements (SPST switching).
Specifications:
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Material :Metal, Plastic, Electronic Parts
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Load Current :25A
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Load Voltage :5-220V DC
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Control Voltage: 3-32V DC
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Mounting Hole Diameter :4.4mm / 0.17"
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Total Size (Approx.): 58 x 45 x 32mm / 2.3" x 1.8" x 1.26" (L*W*T)
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Net Weight :89g
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Product Highlights
CHINT Solid State Relay NJG2 DC-AC, AC-AC Control Voltage 3~32VDC, 90~280VAC, Line voltage 24~480V, Load current 10~120A SSRs (Solid State Relays) have no movable contacts. SSRs are not very different in operation from mechanical relays that have movable contacts. SSRs,however, employ semiconductor ...
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