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SR2/SR3 Series – Three Phase Detachable/Integrated Heatsink Type SSR

Key Features

  • Two mounting hole types and sizes
  • Alarm output (overheating): Alarm output indicator (red LED), disconnect standard output, alarm output
  • Dielectric strength: 4000 VAC (also 2,500VAC model)
  • High heat dissipation efficiency with ceramic PCB andintegrated heatsink
  • Zero cross turn-on, random turn-on models available
  • Input indicator (green LED)
  • Varous mounting methods (DIN rail, panel) – SRH2/SRH3 series
①Type
No mark Detachable heatsink type
H Integrated heat sink type
②Control phase
2 3-phase (2-pole)
3 3-phase (3-pole)
③Rated input voltage
1 4-30VDC
2 24VAC
4 90-240VAC
④Rated load voltage
2 24-240VAC
4 48-480VAC
⑤ Rated load current (resistive load)
15 15A
25 25A
40 40A
50 50A
75 75A
⑥ Function
No Mark Zero cross turn-on
R Random turn-on
1. Input
Rated input voltage range 4-30VDC 24VACrms (50/60Hz) 90-240VACrms (50/60Hz)
Input voltage range 4-32VDC 19-26.4VACrms (50/60Hz) 85-264VACrms (50/60Hz)
Max. input current 25mA 15mA 25mA
Pick-up voltage Min. 4VDC Min. 19VACrms Min. 85VACrms
Drop-out voltage Max. 1VDC Max. 4VACrms Max. 10VACrms
Turn-on time Zero cross turn-on Max. 0.5 cycle of load source + 1ms Max. 1.5 cycle of load source + 1ms
Random turn-on Max. 1ms – –
Turn-off time Max. 0.5 cycle of load source + 1ms Max. 1.5 cycle of load source + 1ms
2. Output
Rated load voltage range 24-240VAC load voltage 48-480VAC load voltage
Load voltage range(50/60Hz) 24-264VACrms(50/60Hz) 48-528VACrms(50/60Hz)
Rated load current Resistive load (AC-51) 15Arms 30Arms 50Arms 75Arms 15Arms 30Arms 40Arms 50Arms 75Arms
Min. load current 0.15Arms 0.2Arms 0.5Arms 0.5Arms
Max. 1 cycle surge current (60Hz) 250A 400A 1000A 300A 500A 1000A
Max. non-repetitive surge current (I2t, t=8.3ms) 340A2S 1000A2S 4000A2S 350A2S 1000A2S 4000A2S
Peak voltage (non-repetitive) 600V 1200V (Zero cross turn-on), 1000V (Random turn-on)
Leakage current (Ta=25℃) Max. 10mArms (240VACᜠ/60Hz) Max. 10mArms (480VACᜠ/60Hz)
Output on voltage drop [Vpk] (Max. load current) Max. 1.6V
Static off-state dv/dt 500V/㎲
3. Alarm output (Temperature overheat)
Rated input voltage range 4-30VDC 24VACrmsᜠ (50/60Hz) 90-240VACrms (50/60Hz)
Load input voltage Max. 30VDC Max. 30VDC Max. 30VDC
Load input current Max. 100mA Max. 50mA Max. 50mA
Turn-off time Max. 20ms Max. 40ms Max. 40ms
4. General Specifications
Dielectric strength (Vrms) 24-240VAC rated load current 15A/30A : 2500VAC 50/60Hz 1 min (Input-Output, Input/Output-Case)
24-240VAC rated load current 50A/75A 48-480VAC rated load current 15A/30A/40A/50A/75A : 4000VAC 50/60Hz 1 min (Input-Output, Input/Output-Case)
Insulation resistance Over 100MΩ (at 500VDC megger) (Input-Output, Input/Output-Case)
Indicator Input indicator: Green LED / Alarm output indicator: Red LED
Vibration Mechanical 0.75mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 1 hour
Malfunction 0.5mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 10 min
Shock Mechanical 300m/s² (approx. 30G) in each X, Y, Z direction for 3 times
Malfunction 100m/s² (approx. 30G) in each X, Y, Z direction for 3 times
Environment Ambient temperature -30 to 80℃ (in case of the rated input voltage 90-240VAC: -30 to 70℃), Storage: -30 to 100℃
Ambient humidity 45 to 85%RH, Storage: 45 to 85%RH
Input terminal connection Min. 1×0.5mm2 (1×AWG 20) Max. 1×1.5mm2 (1×AWG 16) or 2×1.5mm2 (2×AWG 16)
Output terminal connection Min. 1×1.5mm2 (1×AWG 16) Max. 1×16mm2 (1×AWG 6) or 2×6mm2 (2×AWG 10)
Input terminal fixed torque 0.75 to 0.95N·m
Output terminal fixed torque 1.6 to 2.2N.m
Approval CE, cRUus
Weight –Detachable heatsink type : approx. 275g –Integrated heat sink type ( Rated load current 15A/30A/40A: approx. 686g) (Rated load current 50A: approx. 1268g) (Rated load current 75A: approx. 2064g)
  • SR2-1215
  • SR2-1475R
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