RZ3A Industrial 3-Phase Solid State Relays (SSRs)

Carlo Gavazzi RZ3A Industrial 3-Phase Solid State Relays (SSRs) are designed for high-voltage switching of various loads like heating elements, transformers, and motors. These SSRs are capable of switching high voltages up to 600VACrms. The RZ3A SSRs feature zero-switching, an integral snubber network, IP10 back-of-hand protection, a built-in varistor, and an over-temperature protection option with alarm output. This built-in varistor is capable of securing transient protection for heavy industrial applications. These SSRs offer three semiconductor power units that are soldered directly on to the Direct Copper Bonded (DCB) substrate for higher reliability and load cycle capability. The RZ3A SSRs also offer an LED indication of control input and over-temperature alarm status. Typical applications include thermoforming machines, climatic chambers, plastic extrusion machines, soldering ovens, air handling units, and shrink tunnels.

Results: 24
Select Image Part # Mfr. Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Type Mounting Style Load Current Rating Load Voltage Rating Relay Contact Form Output Type Control Voltage Range Input Current Minimum Operating Temperature Maximum Operating Temperature IP Rating Series Length Width Height
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 55A 4-32VDC 49In Stock
5Expected 11/19/2026
$325.776
$325.764
$309.484
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 55 A 600 VAC 3 Form A (3PST-NO) Zero Switching 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 25A 24-275VAC 6In Stock
$289.148
$287.439
$277.607
Min.: 1
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 75A 24-275VAC 8In Stock
$423.184
$402.016
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 75 A 600 VAC 3 Form A (3PST-NO) Zero Switching 24 VAC to 275 VAC, 24 VDC to 50 VDC 15 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 75A 24-275VAC +OTP 6In Stock
$472.970
$449.319
Min.: 1
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 75A 4-32VDC 5In Stock
$406.949
$386.602
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 75 A 600 VAC 3 Form A (3PST-NO) Zero Switching 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 55A 24-275VAC 2In Stock
$339.504
$322.529
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 55 A 400 VAC 3 Form A (3PST-NO) Zero Switching 24 VAC to 275 VAC, 24 VDC to 50 VDC 15 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 25A 4-32VDC 1In Stock
3Expected 11/9/2026
$275.990
$262.182
$248.385
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 25 A 400 VAC 3 Form A (3PST-NO) Zero Switching 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 55A 4-32VDC 4In Stock
$314.953
$299.197
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 55 A 400 VAC 3 Form A (3PST-NO) Zero Switching 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 55A 24-275VAC +OTP 2In Stock
$384.221
$365.001
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 55 A 600 VAC 3 Form A (3PST-NO) Zero Switching 24 VAC to 275 VAC, 24 VDC to 50 VDC 15 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 25A 4-32VDC 1In Stock
$292.224
$277.607
$263.002
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 25 A 600 VAC 3 Form A (3PST-NO) Zero Switching 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 25A 4-32VDC +OTP 5In Stock
$352.013
$297.636
$271.535
$268.687
Min.: 1
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 25A 4-32VDC +OTP 1In Stock
1On Order
$362.290
$344.175
Min.: 1
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 55A 4-32VDC +OTP
4On Order
$376.645
$357.812
Min.: 1
Mult.: 1
Solid State Relays Panel Mount 55 A 42 VAC to 660 VAC 3 Form A (3PST-NO) 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 25A 24-275VAC Non-Stocked Lead-Time 14 Weeks
$282.483
$268.356
$254.229
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 25 A 400 VAC 3 Form A (3PST-NO) Zero Switching 24 VAC to 275 VAC, 24 VDC to 50 VDC 15 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 25A 24-275VAC +OTP Non-Stocked
$281.709
$275.454
$272.572
$269.689
Min.: 5
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 55A 24-275VAC +OTP Non-Stocked
$315.910
$308.903
$305.668
Min.: 5
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 75A 24-275VAC Non-Stocked Lead-Time 14 Weeks
$410.196
$389.678
Min.: 2
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 75A 24-275VAC +OTP Non-Stocked
$388.915
$380.233
$376.234
Min.: 5
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 55A 4-32VDC +OTP Non-Stocked
$308.880
$302.022
$298.855
Min.: 5
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 75A 4-32VDC Non-Stocked Lead-Time 14 Weeks
$397.208
$377.340
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 75 A 400 VAC 3 Form A (3PST-NO) Zero Switching 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 24-440V 75A 4-32VDC +OTP Non-Stocked
$375.494
Min.: 5
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 25A 24-275VAC +OTP Non-Stocked
$290.777
$284.318
$281.344
Min.: 5
Mult.: 1
Solid State Relays RZ3A
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 55A 24-275VAC Non-Stocked Lead-Time 14 Weeks
$332.270
$315.648
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 55 A 600 VAC 3 Form A (3PST-NO) Zero Switching 24 VAC to 275 VAC, 24 VDC to 50 VDC 15 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm
Carlo Gavazzi Solid State Relays - SSRs SSR 3 POLE ZS 42-660V 75A 4-32VDC +OTP Non-Stocked Lead-Time 14 Weeks
$459.983
$436.981
Min.: 1
Mult.: 1
Solid State Relays SSR Panel Mount 75 A 600 VAC 3 Form A (3PST-NO) Zero Switching 4 VDC to 32 VDC 23 mA - 30 C + 80 C IP10 RZ3A 103 mm 73.5 mm 41 mm