Series SQ Quad Output 25A, 280 Vac DC Solid-State Relay FEATURES/BENEFITS • Four independently controlled solid-state relays in an industry standard package. • Tight zero-cross window for low EMI • Constant current input for low current draw • Faston terminals • High-power switching • Optical isolation ensures complete protection of the control circuit from load transients • Heating & motor control, industrial & process controls, on/off control of AC equipment • UL recognized (UL File Number: E128555) Part Number Description SQ24D25 25A, 240 Vac Solid-State Relay SQ24R25 25A, 240 Vac Solid-State Relay MECHANICAL SPECIFICATION 0.0315 (0.8) Part Number Explanation SQ 24 D 1.299 (33) MAX 25 0.772 (19.6) fl 0.185 (4.7) Max Units 3 4 32 40 Vdc Vdc Vdc D1 D2 1.874 (47.6) B2 .78 (19.8) 1.378 (35) 1.752 (44.5) Vdc Reverse Voltage 32 Vdc TYPICAL APPLICATION load 24-280 Vac A2 1 B2 Must Turn-Off Voltage CONTROL CHARACTERISTIC - DC section C +DC commun -DC section D B1 4.3 -DC section B C2 Figure 1 Input Current Range See Figure 2 Typical Turn-On Voltage C1 -DC section A B1 wEIgHT: 3.175 oz. (90g) TOLERANCES: –0.01 (–0.3) A2 load 24-280 Vac A1 Control Range SQ24D25 SQ24R25 Min A1 0.2047 (5.2) INPUT (CONTROL) SPECIFICATIONS 0.25 (6.35) ELECTRICAL SPECIFICATIONS (+25°C ambient temperature unless otherwise specified) 2.283 (58) NOTES 1) Line Voltage (nominal): 24 = 240 Vac 2) Switch Type: D = Zero-cross turn-on; R = Random turn-on 3) Control LED model available. Contact factory. 1.598 (40.6) Switch Type2 Line Voltage1 Output Current – Amps 0.3425 (8.7) Series 7 6 5 C2 C1 load 24-280 Vac D2 10 9 8 D1 Input Current (mA) 12 11 load 24-280 Vac -DC section C -DC section A +DC common -DC section B -DC section D 4 3 2 1 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 Figure 3 Control Voltage (V) Figure 2 © 2007 Teledyne Relays (800) 284-7007 • www.teledynerelays.com ❖ +44 (0) 1236 453124 • www.teledyne-europe.com SQ Page 1 SQ\092007\Q1 Series SQ Quad Output 25A, 280 Vac DC Solid-State Relay THERMAL CHARACTERISTICS 140 4 relays 140 0.55°C/w Power Dissipated (W) 120 120 3 relays 100 80 2 relays 0.95°C/w 100 80 1.6°C/w 60 60 2.2°C/w 40 40 1 relay 20 20 without Heat Sink 0 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 0 10 20 Load Current (Arms) 30 40 50 60 70 80 90 100 Ambient Temperature (°C) Figure 4 ELECTRICAL SPECIFICATIONS (+25°C ambient temperature unless otherwise specified) SURGE CURRENT 250 OUTPUT (LOAD) SPECIFICATIONS 200 Min Max Units 12 280 Vrms Peak Voltage 600 Vpeak Load Current Range (See Figure 4) 25 Arms Operating Range .005 Apeak Non-Repetitive 150 100 50 Repetitive with initial Tj = 70°C 0 0.01 0.1 1 10 t(s) Figure 5 Maximum Surge Current Rating (Non-repetitive, see Figure 5) 240 A On-State Voltage Drop 1.2 V Zero-Cross Window ±25 V Off-State Leakage Current (60Hz) 0.5 mA Turn-On Time SQ24D25 SQ24R25 8.3 0.1 ms ms Turn-Off Time 8.3 µs Off-State dv/dt 500 V/µs Operating Frequency Range 440 Hz 288 A 2s 47 I2t for Match Fusing (<8.3ms) NOTES 1. Electrical specifications at 25°C unless otherwise noted. 2. Control LED models available. Contact factory. 3. For 800Hz applications, contact factory. 4. For additional/custom options, contact factory. OPTIONAL ADD-ONS Please order add-ons separately: • -12 — Thermal pad installed GENERAL SPECIFICATIONS (+25°C ambient temperature unless otherwise specified) ENVIRONMENTAL SPECIFICATIONS Min Max Units Operating Temperature –40 +100 °C Storage Temperature –40 +100 °C Input-Output Isolation 4000 Vrms Output-Case Isolation 2500 Vrms Rated Impulse Voltage 4000 V SQ Page 2 Specifications are subject to change without notice © 2007 Teledyne Relays SQ\092007\Q1