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1. Header Connector for connecting power and trigger voltage.
2. LED on each channel indicates relay status.
3. Power Battery Terminal (PBT) for easy relay output and aux power connection.

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1. Operating Voltage: 24V DC
2. Two separate LEDs for On/Off indication of the Relay
3. Triggering input voltage 3.3V – 5V 4)
4. Back EMF protection
5. Equipped with high-current relay 10A@250VAC / 10A@30VDC
6. It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
7. High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
8. Freewheeling diode to protect your microcontroller
9. Input Signal Pin connected to Burg stick for easy accessibility
10. Mounting holes provided

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1. Channel: 4 channel
2. Relay Operating Voltage: 5V
3. Triode drive, increasing relay coil
4. High impedance controller pin
5. Pull-down circuit for the avoidance of malfunction
6. Power supply indicator and Control indicator lamp
7. Power supply and relay instructions, lit, the disconnect is off;
8. The input signal, signal, common Terminal and start conducting;

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1. Operating Voltage: 12V DC
2. Equipped with high-current relay 10A@250VAC / 10A@30VDC
3. It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
4. High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
5. Freewheeling diode to protect your microcontroller
6. Input Signal Pin connected to Burg stick for easy accessibility
7. LED Status indicators to indicate the relay ON/OFF status
8. Mounting holes provided

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1. Operating Voltage: 5 V
2. Max Current : 20 mA
3. Relay Contact Current Capacity at 250 V AC: 10 A
4. Relay Contact Current Capacity at 30 V DC: 10 A
5. Single Pole Double Throw (SPDT) Configuration
6. Power supply indicator lamp

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1. Has been assembled, and electrical test passed.
2. Operating Voltage: 5V
3. Operating Current: 12.5mA
4. Maximum Load: 2A @ 240VAC
5. Input control signal voltage:
   1. 0-2.5V status low level, relay OFF
   2. 3-5V status high level, relay ON

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1. 2 channel 2 AMP Solid State Relay board
2. Control 2 loads of up to 2 amps each at 120V or 240V AC.
3. Good for lighting, holiday displays etc.
4. Input control signal voltage:
   1. 0-0.5V the state of low-level relay OFF
   2. 0.5-3.3V Unknown State
   3. 3.3-5V high-level relay ON
5. Operating Voltage: 5V
6. Operating Current: 16mA
7. Maximum Load: 2A @ 240VAC

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1. Contact type: NC / COM / NO
2. Input current: ≥300mA
3. Input voltage: DC 5V
4. Support Win7, XP 32-bit systems
5. Onboard square USB interface, stable connection.
6. Use imported high-performance USB control chip.
7. Application code: Green indicates that the  relay is closed, the red disconnect
8. Military grade PCB board production.

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1. 5V 4-Channel Relay interface board and each one needs 15-20mA Driver Current.
2. Equipped with high-current relay, AC250V 10A; DC30V 10A.
3. Standard interface that can be controlled directly by microcontroller (for Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
4. Indication LED’s for Relay output status.

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1. Has been assembled, and electrical test passed.
2. Led indicator for each relay.
3. Operating Voltage: 5V
4. Operating Current: 12.5mA
5. Maximum Load: 2A @ 240VAC

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1. Low Level Trigger Relay Module
2. Two separate LEDs for On/Off indication of the Relay.
3. Triggering input voltage 3.3V – 5V
4. Two separate LEDs for On/Off indication of the Relay
5. Triggering input voltage 3.3V – 5V 4)
6. Back EMF protection
7. Back EMF protection 2 LEDs to indicate when relays are ON.
8. Works with logic level signals from 3.3V or 5V devices
9. Opto isolation circuitry
10. Module with diode current protection, short response time
11. AC Control Voltage: 250V @max.10A
12. DC Control Voltage: 30V @max. 10A

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1. Operating voltage: 6-30V
2. Time interval:0.1 s (minimum) ~ 999 min (maximum) continuously adjustable.
3. Trigger Signal Source: High-Level Trigger (3.0 V-24 V)
4. Output Capacity: can control no more than DC 30V 5A AC or 220 V devices 5A
5. Optocoupler Isolation.