The Sensata | Crydom DRMS Series Hybrid Motor Starters are an excellent solution for controlling small and medium 3-phase asynchronous motors. The DRMS48D91 Motor Starter comes with 3 integrated functions in the same device: Forward/Reverse and Motor Overload Protection. The DRMS Series are compact DIN Rail mountable devices (only 22.5mm wide) which use hybrid relay technology, combining benefits of EMR switching with non-wearing solid state switching technology.
Part #DRMS48D91
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Contact UsSeries | Operating Voltage | Control Voltage | Load Current per Phase | Function |
DRMS | 48: 200-480 VAC | D: 10-30 VDC | 9: 9 Amps |
1: Reversing Contactor with Overload Protection 2: Reversing Contactor with Soft Start, Soft Stop and Overload Protection 3: Reversing Contactor with Soft Start, Soft Stop, Overload Protection and Mains Isolating Relay |
Operating Voltage L1/L2/L3 [Vrms] | 200-480 ± 10% |
Nominal Frequency [Hz] | 50/60, automatic detection |
Peak Reverse Voltage [Vpk] | 1500 |
Overvoltage Limiting [Vrms] | 550 |
Maximum Off-State Leakage Current @ Rated Voltage [mArms] |
0.5 |
Load Current, AC51 [Arms] | 9 |
Load Current, AC53a: 6-2: 10-30 IEC/EN 60947-4-2 [Arms] |
7.6 |
Maximum Motor Power [kW] @ 400 VAC | 4 |
Minimum Motor Power [W] | 25 |
Maximum Surge Current [Apk] t = 20 msec | 200 |
Load Limit Integral [A²sec] t = 10 msec | 200 |
Starting Voltage | 30-80% |
Start / deceleration ramp [sec] | 1-10 |
Switchover Delay Time [msec] | 250 |
Max. Fuse Rating per IEC/EN 60947-5-1 | 25 A gG / gL |
Electrical Life | > 107 cycles |
Ie: 1.5 A to 6.8 A | Class 10 / 10 A |
Ie: 6.9 A to 9.0 A | Class 5 |
Protection type | Electronic, without thermal memory |
Reset | Manual |
Control Voltage Range (R, L) | 10-30 VDC |
Minimum Turn-On Voltage | 10 VDC |
Must Turn-Off Voltage | 8 VDC |
Typical Input Current | 4 mA |
Polarity Reversal Protected | Yes |
Manual Reset Voltage Range | 10-30 VDC |
Voltage Range | 24 VDC ±10% |
Power Consumption | 2 W |
Min. Start Up Delay | 100 msec |
Min. Release Delay | 50 msec |
Output Type (Ready) | 1 Changeover Contact (SPDT) |
Switching Capacity to AC 15 per IEC/EN 60947-5-1, NO Contact |
3 A / 230 VAC |
Switching Capacity to AC 15 per IEC/EN 60947-5-1, NC Contact |
1 A / 230 VAC |
Thermal Current, Ith | 5 A |
Electrical Life to AC15 @ 3A, 230 VAC per IEC/EN 60947-5-1 |
2 x 105 Cycles |
Mechanical Life | 30 x 106 Cycles |
Maximum Switching Frequency | 1800 cycles/hr |
Max. Fuse Rating per IEC/EN 60947-5-1 | 4 A gG / gL |
Device Type | Hybrid Motor Controller |
Rated Insulation Voltage | 500 V |
Overvoltage Category / Contamination Level per IEC/EN 60664-1 |
4 kV / 2 |
Ambient Operating Temperature Range | 0 to 60 °C |
Ambient Storage Temperature Range | -25 to 75 °C |
Weight (Typical) | 188 g |
Housing Color | Black and Light Gray |
LED Status Indicators | See Indicators Chart |
Protection Degree, Housing | IP40 |
Protection Degree, Terminals | IP20 |
Humidity @ 40 °C | 93% non condensing |
Control Terminal Screw Torque (lb-in/Nm) | 3.46 / 0.39 |
Load Terminal Screw Torque (lb-in/Nm) | 5-7 / 0.56-0.79 |
Control Terminal Wire Capacity | 1 x 22-14 AWG (IEC 0.5-2.5 mm²) (stranded/solid) |
Load Terminal Wire Capacity | 1 x 30-12 AWG (IEC 0.05-4 mm²) (stranded/solid) |