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| Solid State Relays Industrial, 1-Phase ZS (IO) w. LED Types RAM1A, RAM1B * Zero switching (RAM1A) or instant-on switching (RAM1B) AC Solid State Relay * Direct copper bonding (DCB) technology * LED indication * Clip-on IP 20 protection cover * Self-lifting terminals * Housing free of moulding mass * 2 input ranges: 3-32 * and 20-280 VAC/22-48VDC * Operational ratings: Up to 125AACrms and 600VACrms * Blocking voltage: Up to 1600Vp * Opto-isolation: > 4000VACrms * Integrated overvoltage protection by self switching (suffix "Z" option) Product Description The industrial, 1-phase relay with antiparallel thyristor output is the most widely used industrial SSR due to its multiple application possibilities. The relay can be used for resistive, inductive and capacitive loads. The zero switching relay switches ON when the sinusoidal curve crosses zero and switches OFF when the current crosses zero. The instant-on relay with DC control input can be used for phase angle control. The built-in snubber secures transient protection. The LED indicates the status of the control input. The clip-on cover secures touch protection (IP 20). Protected output terminals can handle cables up to 16 mm2. Ordering Key Solid State Relay Number of poles Switching mode Rated operational voltage Control voltage Rated operational current Options RAM 1 A 60 D 125 Z Type Selection Switching mode A: Zero Switching B: Instant-on switching (DC Control only) Rated operational voltage 23: 230VACrms 60: 600VACrms 69: 690VACrms Control voltage A: 20-280 VAC/22-48VDC D: 3 - 32VDC* * 4 to 32VDC for RAM1A60..., RAM1A69... * 4 to 32VDC for RAM1B types Rated operational current 25 : 25AACrms 50 : 50AACrms 75 : 75AACrms 100:100AACrms 125:125AACrms Options Z: Overvoltage protection (selfswitching) Selection Guide Rated operational voltage 230VACrms 600VACrms 690VACrms Blocking voltage Control voltage Rated operational current 25A 50A 75A 100A 125A 650Vp 1200Vp 1600Vp 3 - 32VDC 20-280VAC/22-48VDC 4 - 32VDC 20-280VAC/22-48VDC 4-32VDC 20-280VAC/ 22-48VDC RAM1A23D25 RAM1A23D50 RAM1A23D75 RAM1A23D100 RAM1A23D125 RAM1A23A25 RAM1A23A50 RAM1A23A75 RAM1A23A100 RAM1A23A125 RAM1A60D25 RAM1A60D50 RAM1A60D75 RAM1A60D100 RAM1A60D125 RAM1A60A25 RAM1A60A50 RAM1A60A75 RAM1A60A100 RAM1A60A125 RAM1A69D75 RAM1A69D100 RAM1A69D125 RAM1A69A75 RAM1A69A100 RAM1A69A125 Options 1 Overvoltage protection by self-switching: add suffix Z to include. Example: RAM1A60D25Z. Not applicable for 690V version. Specifications are subject to change without notice (28.02.2007) 1 RAM1A, RAM1B General Specifications RAM1.23.. Operational voltage range RAM1A... RAM1B... Blocking voltage Zero voltage turn-on Operational frequency range Power factor Approvals CE-marking * VDE0805 ** Heatsink must be conected to ground RAM1.60.. RAM1.69.. 24 to 265VACrms 42 to 265VACrms 650Vp 10V 45 to 65Hz > 0.5 @ 230VACrms UL, cUL, CSA, VDE* Yes 42 to 660VACrms 42 to 660VACrms 1200Vp 10V 45 to 65Hz > 0.5 @ 600VACrms UL, cUL, CSA, VDE* Yes** 42 to 760VACrms 42 to 760VACrms 1600Vp 10V 45 to 65Hz > 0.5 @ 690VACrms Yes** Input Specifications RAM1...D.. Control voltage range RAM1A23... RAM1A60..., RAM1A69... RAM1B... Pick-up voltage @ Ta = 25C RAM1A23... RAM1A60..., RAM1A69... RAM1B... Reverse voltage Drop out voltage Input current @ max input voltage RAM1A RAM1B Response time pick-up RAM1A RAM1B Response time drop-out RAM1...A.. 3-32VDC 4-32VDC 4-32VDC 2.5VDC 3.5VDC 3.5VDC 32VDC 1.2VDC 12mA 15mA 1/2 cycle 0.1ms 1/2 cycle 20-280VAC, 22-48VDC 20-280VAC, 22-48VDC 18VAC/DC 18VAC/DC 6VAC/DC 20mA 12ms 40ms Output Specifications RAM1...25 Rated operational current AC51 @ Ta=25C AC53a @ Ta=25C Min. operational current Rep. overload current t=1 s Non-rep. surge current t=10 ms Off-state leakage current @ rated voltage and frequency I2t for fusing t= 10 ms On-state voltage drop Critical dV/dt off-state min. 25Arms 5Arms 150mA < 55AACrms 325Ap < 3mArms < 520A2s 1.6Vrms 1000V/s RAM...50 50Arms 15Arms 250mA < 125AACrms 600Ap < 3mArms < 1800A2s 1.6Vrms 1000V/s RAM1...75 75Arms 17Arms 400mA < 130 AACrms 800Ap < 3mArms < 3200A2s 1.6Vrms 1000V/s RAM1...100 100Arms 20Arms 400mA < 150 AACrms 1150Ap < 3mArms < 6600A2s 1.6Vrms 1000V/s RAM...125 125Arms 30Arms 500mA < 200AACrms 1900Ap < 3mArms <18000A2s 1.6Vrms 1000V/s 2 Specifications are subject to change without notice (28.02.2007) RAM1A, RAM1B Housing Specifications Weight 25A, 50A 75A, 100A, 125A Housing material Baseplate 25A, 50A 75A, 100A, 125A Approx. 60g Approx. 100g Noryl, black Aluminium Copper, nickel-plated Relay Mounting screws Mounting torque Control terminal Mounting screws Mounting torque Power terminal Mounting screws Mounting torque M5 1.5-2.0Nm M3 x 9 0.5Nm M5 x 9 2.4Nm Functional Diagram Dimensions + A1( ~ ) REGULATION T1 ZC IO A2(~ ) L1 LED APPLY HEATSINK COMPOUND All dimensions in mm. Heatsink Dimensions RAM..25 Load current [A] Thermal resistance [K/W] (load current versus ambient temperature) RAM..50 Power dissipation [W] Load current [A] Thermal resistance [K/W] Power dissipation [W] 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 5.0 2.5 3.23 3.70 4.30 5.07 6.12 7.58 9.80 2.80 3.21 3.74 4.41 5.33 6.61 8.55 2.37 2.73 3.17 3.76 4.54 5.64 7.30 1.94 2.24 2.61 3.10 3.75 4.66 6.05 1.51 1.75 2.05 2.44 2.96 3.69 4.80 6.66 1.09 1.26 1.49 1.78 2.17 2.72 3.55 4.94 0.66 0.78 0.92 1.12 1.38 1.75 2.30 3.23 5.09 10.7 80 23 21 18 15 13 10 8 6 4 2 TA 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 1.25 1.46 1.73 2.08 2.56 3.24 4.26 5.99 9.49 20 1.07 1.25 1.49 1.80 2.22 2.81 3.71 5.22 8.27 17.5 30 0.88 1.04 1.25 1.51 1.87 2.38 3.15 4.45 7.06 15.0 40 0.70 0.84 1.01 1.23 1.53 1.95 2.59 3.67 5.85 12.4 50 0.52 0.63 0.77 0.94 1.18 1.52 2.03 2.90 4.64 9.91 60 0.34 0.42 0.52 0.66 0.84 1.09 1.47 2.12 3.43 7.39 70 0.16 0.21 0.28 0.37 0.49 0.66 0.92 1.35 2.22 4.86 80 55 48 41 35 29 23 18 13 8 4 TA 13.5 11.80 10.09 8.37 20 18.3 30 15.7 13.04 10.39 7.74 40 50 60 16.2 70 Ambient temp. [C] Ambient temp. [C] Specifications are subject to change without notice (28.02.2007) 3 RAM1A, RAM1B Heatsink Dimensions (cont.) RAM..75 Load current [A] Thermal resistance [K/W] Power dissipation [W] RAM..100 Load current [A] Thermal resistance [K/W] Power dissipation [W] 75.0 67.5 60.0 52.5 45.0 37.5 30.0 22.5 15.0 7.5 0.94 1.10 1.30 1.57 1.95 2.48 3.32 4.75 7.68 20 0.82 0.96 1.14 1.38 1.70 2.17 2.90 4.15 6.72 0.70 0.82 0.98 1.18 1.46 1.86 2.49 3.56 5.76 0.58 0.69 0.81 0.98 1.22 1.55 2.07 2.97 4.80 0.47 0.55 0.65 0.79 0.97 1.24 1.66 2.37 3.84 0.35 0.41 0.49 0.59 0.73 0.93 1.24 1.78 2.88 6.25 70 0.23 0.27 0.33 0.39 0.49 0.62 0.83 1.19 1.92 4.17 80 85 73 61 51 41 32 24 17 10 5 TA 100.0 0.60 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.74 0.91 1.09 1.33 1.66 2.16 3.01 4.73 9.94 20 0.52 0.64 0.79 0.96 1.16 1.45 1.89 2.64 4.14 8.70 30 0.43 0.54 0.68 0.82 1.00 1.24 1.62 2.26 3.55 7.45 40 0.34 0.44 0.56 0.68 0.83 1.04 1.35 1.88 2.96 6.21 50 0.26 0.34 0.45 0.55 0.66 0.83 1.08 1.51 2.37 4.97 60 0.17 0.24 0.33 0.41 0.50 0.62 0.81 1.13 1.78 3.73 70 0.09 0.14 0.22 0.27 0.33 0.41 0.54 0.75 1.18 2.48 80 117 101 87 73 60 48 37 27 17 8 TA 14.59 12.50 10.42 8.34 30 40 50 60 Ambient temp. [C] Ambient temp. [C] RAM..125 Load current [A] Thermal resistance [K/W] Power dissipation [W] Heatsink Selection Carlo Gavazzi Heatsink (see Accessories) No heatsink required RHS 300 RHS 100 RHS 45C RHS 45B RHS 90A RHS 45C plus fan RHS 45B plus fan RHS 112A RHS 301 RHS 90A plus fan RHS 112A plus fan RHS 301 plus fa Consult your distribution Infinite heatsink - No solution Thermal resistance... --5.00 K/W 3.00 K/W 2.70 K/W 2.00 K/W 1.35 K/W 1.25 K/W 1.20 K/W 1.10 K/W 0.80 K/W 0.45 K/W 0.40 K/W 0.25 K/W > 0.25 K/W --for power dissipation N/A >0W > 25 W > 55 W > 60 W > 60 W >0W >0W > 100 W > 80 W >0W >0W >0W N/A N/A 125.0 0.63 112.5 0.73 100.0 0.84 87.5 75.0 62.5 50.0 37.5 25.0 12.5 0.99 1.20 1.48 1.92 2.65 4.12 8.55 20 0.55 0.64 0.74 0.87 1.05 1.30 1.68 2.32 3.60 7.48 30 0.47 0.54 0.63 0.74 0.90 1.11 1.44 1.98 3.09 6.41 40 0.40 0.45 0.53 0.62 0.75 0.93 1.20 1.65 2.57 5.34 50 0.32 0.36 0.42 0.50 0.60 0.74 0.96 1.32 2.06 4.27 60 0.24 0.27 0.32 0.37 0.45 0.56 0.72 0.99 1.54 3.21 70 0.16 0.18 0.21 0.25 0.30 0.37 0.48 0.66 1.03 2.14 80 126 110 95 81 67 54 42 30 19 9 TA Ambient temp. [C] Thermal Specifications Operating temperature Storage temperature Junction temperature -40 to +80C (-40 to +176F) -40 to +100C (-40 to +212F) 125C (257F) Isolation Rated isolation voltage Input to output Output to case 4000VACrms 4000VACrms 4 Specifications are subject to change without notice (28.02.2007) RAM1A, RAM1B Faston terminals * Faston tabs * Tab dimensions according to DIN 46342 part 1 * Pure tin-plated brass Ordering Key Screw mounted Faston terminals RAM Solid State Relay Faston terminals Tab orientation Input Tab width: 4.8mm Output Tab width: 6.3mm RAM1A60D25 F 4* Faston terminals in packs of 20 RM48 ** F4 * RS, RM Solid State Relay Tab orientation * 0: Flat (0) 4: Angled (45) ** 48: 4.8mm faston for input 63: 6.3mm faston for output Fork Terminals * Terminal adaptors for 35mm2 cable * Type RM635FK * Pack size: 20 pieces Ordering Key RM terminal adaptor Touch protected (optional) RM635FK P Other Accessories * * * * Heatsinks and fans Type RHS.... 0.25 to 5.00 k/W Single and dual relay types * * * * Touch safety cover Type RMIP20 IP20 protection degree Pack size: 20 pieces All accessories can be ordered pre-assembled with Solid State Relays. Other accessories include DIN rail adaptors, fuses, varistors and spacers. For futher information refer to Accessories datasheets. Specifications are subject to change without notice (28.02.2007) 5 |
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