Top Relay pcb Relay - BuyWiseBest.com

Velleman K2639 Liquid Level Controller

Applications Power supplies, heating & ventilation, control equipment.
2 pole 30 A, 2 CO or 2 NO contacts, High switching capacity up 30 A / 400 VAC,PCB- or quick connect terminals or chassis mount.
DC- or AC coil,4 kV / 8 mm coil-contact,Insulation to VDE 0631 and VDE 0700.

Large Capacity Relay Holder – This relay box is 6 slots relay panel design, which includes 5 slots for 5 pin Bosch style relays, 1 slot for RTT7121 4 pin relay..
ATC/ATO Fuse Relay Box – This fuse block with relay is also 6 slots relay holder design for ATC/ATO fuses, which makes the fuse relay become safer when use..
Suitable Terminals – This 12v relay box will also come with terminals for relays and fuses, which will enables you to install and use the fuse and relay box at once..
Top & Bottom Cover – This relay box 12v automotive will come with a top cover and a bottom cover, which makes the relay fuse box become a waterproof relay box..
What you get – 1 x Fuse Relay Block with Top and Bottom Cover, 5 x Bosch Style 5 Pin Relay, 1 x RTT7121 4 pin relay, 16 x Blade Fuses(4 x 10A, 4 x 20A, 4 x 25A, 4 x 30A), 41 x Metallic Terminals, 1 Year Warranty. Feel free to contact us if confused..

Kit includes Relay Buddy tester, 5 new relay adapters and blow mold case.
Relay Buddy is a quick go/no go tester for the most common automotive relays.
With the included adapters, Relay Buddy now tests 5 different relay types and also tests shielded relays.
Relay Buddy will fail the relay and light the red LED if any of the test cycle proves unsuccessful during the test session.
Settable to 4 and 5-pin relay and uses vehicle's 12 volts battery for power.

The esp8266 module is 11 digital input / output pins, all pins with interrupt / PWM / I2C / support 1 line (except D0).
1 analog input(3.2V max input). Micro USB connection.
WiFi internet development board 5V 1A switching power supply (switching power supply）onboard..
5V relay shield is a digital switch to control much higher voltages and currents than esp8266 mini microcontroller, controlled by the D1 , the relay will switch to allow current to flow or turn off, depending on wiring..
40 pin 0.1inch (2.54mm) male pin header connector PCB board pin strip electronic component, they are easy to be cut to any length if needed, you can cut or score with some electronic tool..
The pin header is an ideal connector for the PCB board and intergrated circuit, used widely in the computer and breadboard, compatible with raspberry pi or other electronic project..

The ESP8266 Wifi module is designed with a 4-layer board. It is safer to use the relay PCB pin anti-climbing design. The access control server passes the TCP CLIENT mode. Controlled by the HTTP protocol..
Input overvoltage protection, TVS input, automatic protection will run when the voltage exceeds 33V. Single optocoupler isolated input, TVS input protection..
Wide voltage input, input voltage: DC 7V - DC 30V, input overcurrent protection..
220V 10A relay, one normally open, one normally closed. An output status indicator, an input status indicator..
Board dimensions: 65 × 40 × 20mm (1mm = 0.0393inch).

Able to test an entire circuit - from battery to component, including the relay With this item the technician can jump a relay.
do an AC charge from the relay by activating the compressor.
do compression testing by activating the starter relay and even check turn signals or lights from the front of the car.
Allows the technician to diagnose the problem without the use of a multimeter.
The lighted display shows the technician the problem immediately.
With this item the technician can jump a relay.
Includes: (1) Tester, (6) popular Relay Leads, and (1) Universal Relay Lead.

Output: fan relay, alarm relay and 4-20ma current loop.
Controls: buzzer, Digital display, latching relay, relay Delay, relay minimum runtime.
Mounts on a standard 4” x 4” electrical box.
5 a spdt fan relay controls starters of exhaust fans.

NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
Module with overcurrent protection and relay diode freewheel protection..
NOYITO 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW.
NOYITO 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT.

OMRON G2R-1-E industrial power relays, switching current up to 16A at 250VAC (or 30VDC), and easy to replace pluggable relays..
LED indicator for each relay channel , relay coil protection by means of a freewheeling diode..
High quality screw terminal block, FR-4 fiber glass PCB, dual copper layers..
Panel mount or DIN rail mount versions are available. Taiwan DINKLE fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm / 32mm / 15mm rail, and the carrier can be taken apart for panel mount use..

Output: fan relay, alarm relay and 4-20ma current loop.
Controls: buzzer, Digital display, latching relay, relay Delay, relay minimum runtime.
Mounts on a standard 4” x 4” electrical box.
5 a spdt fan relay controls starters of exhaust fans.

Tests 5 different relays, both 12V and 24V and 3 diagnostic trouble codes help define the cause of the bad relay.
Kit Includes 5 Relay Adapters and blow mold case.
Fails bad relays - Good/Bad indication, green light for PASS, red light for FAIL with flashing trouble code.
Tests 5 different relays, both 12V and 24V.
3 diagnostic trouble codes help define the cause of the bad relay.
#193 Kit Includes 5 Relay Adapters and blow mold case.
Quick off-the-car relay tester - checks relay coil & switch contacts.