Solid State Relays Industrial, 3-Phase ZS Type RZ3A • 3-phase Solid State Relay • Zero switching • Rated operational current: 3 x 25, 55 or 75 A • Rated operational voltage: Up to 690 VAC • Control voltage, 4-32 VDC or 24-275 VAC • Integral snubber network • Built-in varistor • Over-temperature protection option with alarm output • IP 10 back-of-hand protection • LED indication of control input and over-temperature alarm status Product Description Ordering Key RZ 3 A 60 D 75P A Solid State Relay family designed to switch various loads such as heating ele- ments, motors and transform- ers. The relay is capable of switching high voltages up to 600 VACrms. The built-in varistor secures transient pro- tection for heavy industrial applications. For higher reliability and load cyclecapability threesemi- Type Selection conductor power units are sol- dered directly on to the direct copper bonded (DCB) sub- strate. AC- or DC-controlled versions are available. Built-in LED statusindicationfor ap- plied control voltage and over- temperature alarm (optional). The series covers a range of loadcurrentsupto75 AACrms. Solid State Relay Number of poles Switching mode Rated opertional voltage Control voltage Rated opertional current Options Switching Rated operationalRated operational Control Option modevoltagecurrentvoltage A: Zero Switching 40: 400 VACrms25: 3 x 25 AACrmsD: 4-32 VDC P: Over- 48: 480 VACrms55: 3 x 55 AACrmsA: 24-275 VAC/24-50 VDC temperature 60: 600 VACrms75: 3 x 75 AACrmsprotection and 69: 690 VACrms alarm output (available only for A and D input) Selection Guide Rated operational ControlRated operational current voltage voltage3 x 25 A 3 x 55 A 3 x 75 A 400 VACrms4-32 VDCRZ3A40D25RZ3A40D55 RZ3A40D75 24-275 VAC/24-50 VDCRZ3A40A25RZ3A40A55RZ3A40A75 480 VACrms 4-32 VDCRZ3A48D25RZ3A48D55RZ3A48D75 24-275 VAC/24-50 VDC RZ3A48A25RZ3A48A55RZ3A48A75 600 VACrms4-32 VDCRZ3A60D25RZ3A60D55 RZ3A60D75 24-275 VAC/24-50 VDC RZ3A60A25RZ3A60A55RZ3A60A75 690 VACrms4-32 VDC--RZ3A69D75 24-275 VAC/24-50 VDC- - RZ3A69A75 Notes Over-temperature protection and alarm output: add suffix P to include over-temperature protection and alarm output. Example: RZ3A60D75P. Not available on 690VACrms versions. Isolation Rated isolation voltage Input to output4000 VACrms Output to case4000 VACrms Thermal Specifications Operating temperature -30° to +80°C (-22° to +176° F) Storage temperature-40° to +100°C (-40° to + 212° F) Junction temperature +125°C (+ 257˚F) Specifications are subject to change without notice (23.01.2014)1
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