Solid State Relays Industrial, 3-Phase SS • 3-phase Solid State Relay • Zero switching • Rated operational current: 3 x 75 AMPS • Rated operational voltage: 600 VAC • Control voltage 24-50 VDC/24-275 VAC • Integral snubber network • Built-in varistor • IP 10 back-of-hand protection • LED indication of control input • Heat Sink and 24 VDC Fan Included Optional 120 VAC Fan (Add -120 to P/N) Example (3PSS60A75 S-120) | E 62767 Thermal Specifications Operating temperature Storage temperature 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 VAC rms. The built-in varistor for heavy industrial applications. For higher reliability and load cycle capability three semiconductor power units are bonded directly to the substrate. 3 Pole 50 AMP @ 480 VAC @ -30°C to 50°C 3-Phase 2 Pole 75 AMP @ 480 VAC @ -30°C to 50°C 3-Phase * 51°C to 80°C derates @ 10 AMPS per decade *For 2 Pole usage, use L1 & L3 General Specifications Rated isolation voltage Input to output Output to case ≥ 4000 VAC rms ≥ 4000 VAC rms 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 24-275 VAC/24-50 VDC 18 VAC/20 VDC 9 VAC/DC ≤ 15 mA 20 ms 30 ms All data specified at Ta=25°C 42-660 VAC 1600 Vp 45 to 65 Hz III 3 1.4 WATTS & 58 mA 3.6 WATTS & 55 mA | Output Specifications Rated operational current AC51 @ Ta=25°C AC53a @ Ta=25°C 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 On-state voltage drop Critical dV/dt off-state Isolation Input Specifications Tested and Approved Operational voltage range Blocking voltage Operational frequency range Overvoltage category Pollution degree Heat Sink Fan 24 VDC Standard Heat Sink Fan 120 VAC Optional Markings -30° to 80°C (-22° to 158°F) -40° to 100°C (-40° to 212°F) 75 AMPS rms 20 AMPS rms 400 mA rms < 150 A rms 1150 Ap < 3 mA rms 6600 A2s ≤ 1.6 V rms ≥ 500 V/µs Total Weight Grams Ounces S R 1,370 48.3 1,473 52 Housing Specifications Material Base plate Potting compound Power terminal Mounting screws Mounting torque Wire size Relay Mounting screws Mounting torque Control terminal Mounting screws Mounting torque Wire size Noryl Copper, nickel-plated Polyurethane Max. Min. M5 ≤ 2.5 Nm (22 in lbs) 2 x 6 mm 2 (AWG 8) 2 x 1 mm 2 M5 ≤ 1.5 Nm (13 in lbs) Max. Min. M4 ≤ 0.5 Nm (5 in lbs) 2 x 2.5 mm 2 (AWG 14) 2 x 1 mm 2 www.dold-relay.com Dimensions Model S 4.425 3.550 4.754 .477 .198 3.550 .166 X .190 (2 HOLES) ALIGNS W/SLOTS BELOW L1 L2 3PSS60A75 AC51: 75A 600 VAC 4.694 L3 L1 L2 L3 A1 A1 ~ T1 T2 T3 A2 VCC: 24-275 VAC 24-50 VDC A2 ~ AC53a: 20A 600 VAC E 62767 T1 FAN .173 .504 | T2 M5 TH’D 2 PLACES T3 3.653 FAN .166 3.550 3.550 Model R 4.410 Includes Retro-Fit Back Plate 3.125 .205 X .402 DIA. KEYHOLE (2 REQ.) For direct replacement with standard 2 & 3 pole Mercury Relays. Using the same mounting holes. 1.938 2.690 Bracket adds 3/16” to depth .205 BOTH SIDES www.dold-relay.com