Automotive Industry
- IO Modules
- Protocol Converter
- PLC
- Industrial Switch
CT-2754 Relay Output Module 4 channels RC Flyback Diode Channel Isolated
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Channels4
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OutputRelay
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Diode Channel IsolatedRC Flyback
PRODUCT DESCRIPTION
Key Technical Features
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4-channels relay normally on output
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4 LED channel indicators
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Low on resistance (≤100mΩ)
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With isolation between channels
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Built-in unidirectional (freewheel diode) FWD, built-in RC circuit
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Resistive and inductive loads can be connected
Technical Specifications
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General Parameters |
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Power Consumption |
Max.138mA@5.0VDC |
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Isolation |
I/O to internal bus isolation voltage: AC 500V |
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Field Power |
Not used |
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Wiring |
Max.: AWG 18 |
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Installation |
35mm DIN-Rail |
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Size |
115*14*75mm |
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Weight |
65g |
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Environment Specification |
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Operating Temperature of |
-35℃~60℃ |
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Operating Temperature of |
-35℃~70℃ |
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Relative Humidity |
5~ 95%RH (No Condensation) |
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Storage Temperature |
-40℃~85℃ |
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Storage Humidity |
5~ 95%RH (No Condensation) |
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Manufacturing Test |
-40℃~75℃ |
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Ingress Protection Rating |
IP20 |
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Vibration Resistance |
Comply with IEC 61131-2 and EC 60068-2-6 |
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Impact resistance |
Comply with IEC 61131-2 and IEC 60068-2-27 |
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EMC Performance |
Comply with IEC 61131-2 and IEC 61000-4 |
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Output Parameter |
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Channel Number |
4 channel Relay normally on output |
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LED Indicator |
4 channel output LED Indicator |
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Max. Switching Current |
Resistive load：3A |
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Max. Switching Voltage |
30VDC |
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Max. Switching Power |
90W |
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Switching Frequency |
Resistive load：Max 2Hz |
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Contact Resistance |
≤100mΩ |
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Output Delay |
ON to OFF:Max. 10ms |
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Mechanical Endurance |
2x107 |
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Electricity Endurance |
1x105 |
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Vibration |
10Hz~55Hz 1.5mm Double vibration amplitude |
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Impact |
Stability：98m/s2 |
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Load type |
GENERAL USE LOADS, PILOT DUTY LOADS |
A:4-channel relay output, 3A@30VDC, with RC and flyback diode, channel-to-channel isolation.
A:Medium-power valves, solenoid coils, small motors, or other inductive/resistive loads.
Ideal for industries requiring high-speed, cost-effective distributed I/O:
