Solid State Relays Industrial, 3-Phase ZS Type RZ3A * 3-phase Solid State Relay * Zero switching * Rated operational current: 3 x 25, 40, 55 or 75 A * Rated operational voltage: Up to 600 VAC * Control voltage 5 VDC, 4-32 VDC or 20-275 VAC/DC * Integral snubber networks * 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 A Solid State Relay family designed to switch various loads such as heating elements, motors and transformers. The relay is capable of switching high voltages up to 600 VACrms. Ordering Key AC- or DC-controlled versions are available. Built-in LED status indication for applied control voltage and over-temperature alarm (optional). A version that can be controlled with 5 VDC @ 15 mA (max) is also available (LD). RZ 3 A 60 D 75 P Solid State Relay Number of poles Switching mode Rated opertional voltage Control voltage Rated opertional current Options For higher reliability and load cycle capability three semi- The series covers a range of conductor power units are sol- load currents up to 75 AACrms. dered directly on to the direct copper bonded (DCB) substrate. Type Selection Switching mode Rated operational voltage Rated operational current Control voltage Option A: Zero Switching 40: 400 VACrms 60: 600 VACrms 25: 25 AACrms 40: 40 AACrms 55: 55 AACrms 75: 75 AACrms LD: 5 VDC D: 4-32 VDC A: 24-275 VAC/24-50 VDC P: Overtemperature protection and alarm output (available only for A and D input) Selection Guide Rated operational Control voltage voltage Rated operational current 25 A 40 A 55 A 75 A 400 VACrms RZ3A40LD25 RZ3A40D25 RZ3A40A25 RZ3A60LD25 RZ3A60D25 RZ3A60A25 RZ3A40LD55 RZ3A40D55 RZ3A40A55 RZ3A60LD55 RZ3A60D55 RZ3A60A55 RZ3A40LD75 RZ3A40D75 RZ3A40A75 RZ3A60LD75 RZ3A60D75 RZ3A60A75 600 VACrms 5 VDC 4-32 VDC 24-275 VAC/24-50 VDC 5 VDC 4-32 VDC 24-275 VAC/24-50 VDC RZ3A40LD40 RZ3A40D40 RZ3A40A40 RZ3A60LD40 RZ3A60D40 RZ3A60A40 Options Protection: Over-temperature protection and alarm output: add suffix P to include over-temperature protection and alarm output. Example: RZ3A60D75P Specifications are subject to change without notice (30.08.2002) 1 RZ3A General Specifications RZ3A40.. 24-440 VAC 850 Vp 45 to 65 Hz III 3 UL, CSA Yes Operational voltage ranges Non-rep. peak voltage Operational frequency range Overvoltage category Pollution degree Approvals* CE-marking *Approvals pending RZ3A60.. 42-660 VAC 1200 Vp 45 to 65 Hz III 2 UL, CSA Yes Input Specifications Control voltage range Pick-up voltage Drop-out voltage Input current Response time pick-up Power output = 50 Hz Response time drop-out Power output = 50 Hz RZ3A..LD.. RZ3A..D.. RZ3A..A.. 5 VDC 4.5 VDC 1.2 VDC 15 mA 4-32 VDC 3.8 VDC 1.2 VDC 23 mA 24-50 VDC/24-275VAC 18 VAC/20 VDC 9 VAC 15 mA 10 ms 10 ms 20 ms 10 ms 10 ms 30 ms All data at 25C Output Specifications Rated operational current AC51 @ Ta=25C AC53a @ Ta=25C Minimum operational current Rep. overload current t=1 s Non-rep. surge current t = 10 ms Off-state leakage current I2t for fusing t = 10 ms Critical dI/dt @ 50 Hz On-state voltage drop Critical dV/dt off-state RZ3A..25.. RZ3A..40.. RZ3A..55.. RZ3A..75.. 25 Arms 5 Arms 150 mArms 37 Arms 230 Ap < 3 mArms 265 A2s 100 A/s 1.6 Vrms 500 V/s 40 Arms 8 Arms 150 mArms 60 Arms 300 Ap < 3 mArms 450 A2s 100 A/s 1.6 Vrms 500 V/s 55 Arms 15 Arms 150 mArms < 125 Arms 600 Ap < 3 mArms 1800 A2s 100 A/s 1.6 Vrms 500 V/s 75 Arms 20 Arms 150 mArms < 150 Arms 1000 Ap < 3 mArms 6600 A2s 100 A/s 1.6 Vrms 500 V/s Alarm Output Specifications Thermal Specifications Collector - emitter voltage Emitter - collector voltage Collector current Delay time on reset Operating temperature Storage temperature Junction temperature 35 Vdc 6 Vdc 50 mA 20 mS -30 to +80C (-22 to +158 F) -40 to +100C (-40 to + 212 F) +125C (+ 257F) Insulation Rated insulation voltage Input to output Output to case 2 4000 VACrms 4000 VACrms Specifications are subject to change without notice (30.08.2002) RZ3A Heatsink Dimensions (load current versus ambient temperature) RZ ..25 RZ ..40 Load current [A] Power dissipation [W] Thermal resistance [K/W] Load current [A] Power dissipation [W] Thermal resistance [K/W] 25.0 0.44 0.34 0.23 0.12 0.01 -- -- 92 40.0 0.54 0.44 0.34 0.24 0.14 0.04 -- 101 22.5 0.62 0.49 0.37 0.24 0.12 -- -- 80 36.0 0.66 0.55 0.44 0.33 0.22 0.11 -- 91 20.0 0.84 0.69 0.54 0.40 0.25 0.10 -- 68 32.0 0.81 0.68 0.56 0.43 0.31 0.18 0.06 80 17.5 1.12 0.95 0.78 0.60 0.43 0.25 0.08 58 28.0 1.00 0.86 0.72 0.57 0.43 0.29 0.14 70 15.0 1.51 1.30 1.09 0.88 0.67 0.46 0.25 47 24.0 1.26 1.09 0.93 0.76 0.59 0.42 0.25 60 12.5 2.06 1.80 1.54 1.27 1.01 0.75 0.48 38 20.0 1.62 1.42 1.21 1.01 0.81 0.61 0.41 49 10.0 2.75 2.40 2.06 1.72 1.37 1.03 0.69 29 16.0 2.03 1.78 1.52 1.27 1.02 0.76 0.64 39 7.5 3.83 3.35 2.87 2.39 1.91 1.43 0.96 21 12.0 2.72 2.38 2.04 1.70 1.36 1.02 1.03 29 5.0 6.01 5.26 4.51 3.76 3.01 2.25 1.50 13 8.0 4.11 3.59 3.08 2.57 2.05 1.54 1.81 19 2.5 12.62 11.04 9.46 7.89 6.31 4.73 3.15 6 4.0 8.26 7.22 6.19 5.16 4.13 3.10 4.14 10 50 60 20 30 40 50 60 70 TA 80 20 30 40 70 Ambient temp [C] 80 TA Ambient temp [C] RZ ..75 RZ ..55 Load current [A] Power dissipation [W] Thermal resistance [K/W] 0.27 0.22 0.17 0.12 0.07 0.02 -- 201 70.0 0.32 0.27 0.21 0.16 0.10 0.05 -- 184 65.0 0.38 0.32 0.26 0.20 0.14 0.08 0.02 167 60.0 0.44 0.38 0.31 0.25 0.18 0.11 0.05 151 55.0 0.52 0.45 0.38 0.30 0.23 0.16 0.08 136 50.0 0.62 0.54 0.45 0.37 0.29 0.21 0.12 121 45.0 0.74 0.64 0.55 0.46 0.36 0.27 0.17 106 40.0 0.87 0.76 0.65 0.54 0.43 0.32 0.22 92 35.0 1.01 0.89 0.76 0.63 0.51 0.38 0.25 79 30.0 1.21 1.06 0.91 0.76 0.60 0.45 0.30 66 25.0 1.49 1.30 1.11 0.93 0.74 0.56 0.37 54 20.0 1.90 1.67 1.43 1.19 0.95 0.71 0.48 42 TA 15.0 2.60 2.28 1.95 1.63 1.30 0.98 0.65 31 Ambient temp [C] 10.0 4.01 3.51 3.01 2.51 2.01 1.50 1.00 20 5.0 8.24 7.21 6.18 5.15 4.12 3.09 2.06 10 50 60 0.29 0.23 0.17 0.11 0.05 -- -- 164 50.0 0.36 0.29 0.22 0.16 0.09 0.02 -- 148 45.0 0.44 0.36 0.29 0.21 0.14 0.06 -- 133 40.0 0.54 0.46 0.37 0.29 0.20 0.12 0.03 118 35.0 0.67 0.58 0.48 0.38 0.28 0.19 0.09 103 30.0 0.85 0.74 0.62 0.51 0.39 0.28 0.16 87 25.0 1.10 0.96 0.82 0.68 0.55 0.41 0.27 73 20.0 1.38 1.21 1.04 0.87 0.69 0.52 0.35 58 15.0 1.85 1.62 1.39 1.16 0.93 0.70 0.46 43 10.0 2.80 2.45 2.10 1.75 1.40 1.05 0.70 29 5.0 5.62 4.92 4.21 3.51 2.81 2.11 1.40 14 2.5 11.26 9.85 8.45 7.04 5.63 4.22 2.82 7 50 60 30 40 70 Power dissipation [W] Thermal resistance [K/W] 75.0 55.0 20 Load current [A] 80 Heatsink Selection 20 30 40 70 80 TA Ambient temp [C] Carlo Gavazzi Heatsink (see Accessories) No heatsink required RHS 300 Assy or backplate RHS 112 Assy RHS 301 Assy RHS 112 F Assy RHS 301 F Assy Consult your distributor Thermal resistance Rth s-a > 8.0 5.0 1.1 0.8 0.4 0.25 < 0.25 K/W K/W K/W K/W K/W K/W K/W Specifications are subject to change without notice (30.08.2002) 3 RZ3A Functional Diagram (A1) (~) (+) T1 Regulation ZC (A1) (~) (+) T1 Regulation ZC Output A Output A L1 L1 T2 T2 ZC Control input AC/DC Output B ZC Control input AC/DC Output B L2 L2 T3 ZC T3 ZC (A2) (~) (-) Output C L3 ZC - Zero Crossing Wire size Max. Min. Output C L3 ZC - Zero Crossing (B2) (+) Alarm Output (B2) (-) Housing Specifications Weight Material Base plate 25, 40, 55A 75A Potting compound Relay Mounting screws Mounting torque Control terminal Mounting screws Mounting torque Wire size Max. Min. Power terminal Mounting screws Mounting torque (A2) (~) (-) Over temp circuit Dimensions Approx. 380 g Noryl Aluminum, nickel-plated Copper, nickel-plated Polyurethane M5 1.5 Nm M3 0.5 Nm 2 x 2.5 mm2 2 x 1.0 mm2 M5 2.5 Nm 2 x 6 mm2 (AWG8) 2 x 6 mm2 2 x 1 mm2 Alarm Output Connection Vcc To Over-temperature Protection circuit Vcc PULL UP RES B1 (+) 1 6 2 4 B2 (-) GND Active Low On Alarm goes Low 4 Output To Over-temperature Protection circuit 1 6 B1 (+) 2 4 B2 (-) Output PULL UP RES GND Active High On Alarm goes High Specifications are subject to change without notice (30.08.2002)