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SDD
SDD

SDD series of medium power single-phase AC solid state relay, a single knife single-throw a normally open type. The input is in the form of DC and AC control, and the output is composed of a bidirectional silicon controlled AC switch, with the switch type divided into over zero conduction type and random conduction type.

Rated through-state current: 10-40A.

Rated breaking voltage: 240;440Vrms. 

Input/output insulation voltage: 2500Vrms.

More control voltage: DC 4-16VDC or 3-32VDC; AC: 90-250V AC


There are 3 products of SDD below


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SDD
    • Single-pole Single-throw, Normally Open (SPST-NO)

    • Rated on-state current: 60~120A

    • Input-to-output isolation voltage: 2500 Vrms

    • LED input status indicator

    • Dual anti-parallel SCR power output, excellent thermal performance & long service li

    • Impulse withstand voltage Vimp ≥ 1600V (600 Vrms)

    • High dV/dt rating, optimized for inductive loads

    • Two switching modes: Zero-crossing turn-on & Random-phase turn-on

    • Chip bonding technology with vacuum + hydrogen shielding atmosphere

    • Control input voltage: DC 4~16VDC or 3~32VDC; AC 90~250VAC


  • The SDD series medium-power single-phase AC solid state relay is configured as SPST-NO (Single-Pole Single-Throw, Normally Open).It supports DC or AC control on the input side; the output is constructed with bidirectional thyristor AC switches, available in two switching versions: zero-cross turn-on type and random-phase turn-on type.


    • Rated On-state Current: 10~40A

    • Rated Off-state Voltage: 240 / 440 Vrms

    • Input-to-output Isolation Voltage: 2500 Vrms

    • Control Voltage: DC 4~16VDC or 3~32VDC; AC 90~250VAC


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