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ALTRONIX eFlow4NX Access Control Power Supply Charger 12/24VDC 4A Aux Output
ALTRONIX eFlow4NX Power Supply Charger, Single Output, 12/24VDC, 4A, Aux Output, FAI, LinQ2 Ready, 115VAC, BC400 Enclosure Altronix eFlow4NX is a power supply/charger converts a 120VAC 60Hz input into a single Class 2 power-limited output. Power supply/charger is selectable for 12VDC or 24VDC with a total of 4A max. It also offers a suite of features that includes fire alarm disconnect, overvoltage protection, and low power disconnect which prevents deep discharge of stand-by batteries. UL Listed For:Access Control System Units (UL294)Power Supplies for use with Burglar Alarm Systems (UL603)Power Supplies for Fire Protective Signaling Systems (UL1481)cUL Listed For:ULC-S318-96 - Power Supplies for Burglar Alarm Systems. Also suitable for Access Control.CSFM - California State Fire Marshal Approved CE Compliant Input 120VAC, 60Hz, 3.5A. Input fuse: 5A/250V. Output 12VDC or 24VDC selectable output. 12VDC or 24VDC, 4.0A supply current. Class 2 power-limited output. Auxiliary Class 2 Power-Limited output rated, 1A (unswitched). Ripple voltage: 960mV. Overvoltage Protection. Battery Backup Built-in charger for sealed lead acid or gel type batteries. Automatic switch over to stand-by battery when AC fails. Transfer to stand-by battery power is instantaneous with no interruption. Supervision AC fail supervision (form "C" contacts). Notification trigger is selectable for 30 seconds (factory set) or 2 hours. Battery fail & presence supervision (form "C" contacts). Low power shutdown. Shuts down DC output terminals if battery voltage drops below 71-73% for 12V units and 70-75% for 24V units (depending on the power supply). Prevents deep battery discharge. Fire Alarm Disconnect Supervised Fire Alarm disconnect (latching or non-latching) 10K EOL resistor. Operates on a normally open (NO) or normally closed (NC) trigger. Electrical Temperature: Operating: 0° C to 49° C (32° F to 120° F). Storage: - 20° C to 70° C (- 4° F to 158° F). Relative Humidity 85% +/- 5%. BTU/Hr (approx.): 12VDC: 12 BTU/Hr. 24VDC: 49 BTU/Hr. System AC input VA requirement: 420VA. Visual Indicators Green AC Power LED indicates 120VAC present. AC input and DC output LED indicators. Additional Features Short circuit and overload protection. Unit is complete with power supply, enclosure, battery leads and cam lock. LINQ2 Ready Network Communication Module, Control, Monitor and Report Power Supply Diagnostics, Compatible with eFlow Series and MaximalF Power Supply/Chargers Enclosure: Wall mount enclosure for indoor use. Accommodates up to two (2) 12VDC/12AH Batteries. Dimensions 12.25"W x 15.5"H x 4.5"D (311 mm W x 394 mm H x 114 mm D). 1.125" and 1.375" combination knockouts. Weights (approximate): Product Weight: 8.4 Lbs. (3.81 kg). Shipping Weight: 9.5 Lbs. (4.3 kg). Your satisfaction is guaranteed. If the item you purchased does not meet your expectations or needs, please contact us. If the item is returned in the same condition, we sent it in, and within 14 days, we will refund your purchase price less shipping & handling costs. If we made a mistake, then the S&H is on us. Buy with confidence and best wishes! We Combine Shipping! Please request an invoice before paying if combining with items from our other listings. The Unite States Postal Service (USPS) will no longer run traces on packages shipped by First Class Mail International or Priority Mail International after they leave the United States. True tracking is only available on Express Mail International which is in most cases is more than double the shipping cost. We provide our best efforts to keep shipping & handling costs reasonable for international eBay shoppers. If you choose Economy International Shipping it may be between 5 to 15 business days and in some cases even longer and regretfully not possible to trace. USPS Express Mail International is at a considerably higher cost but is traceable and generally is delivered within 3 to 10 business days.
July 4, 2026
NRF24L01+PA+LNA SMA Antenna Wireless Transceiver communication module 1100m 2.4G
This generic model proves you don’t need a fancy logo for good performance.
July 4, 2026
1/2pc 3.3/5V FT232RL Industrial USB to TTL Serial Communication Module Converter
Package Include:1/2 set Converter Support for Win7 / 8 / 8.1 / 10, for MAC, for Linux, for Android, for Win ce and other systems Product Features ⚡Onboard self-recovery fuse and transient suppression diode, anti-overcurrent and overvoltage, anti-backflow, anti-static,Improve impact resistance, stable and safe communication ⚡Onboard IO protection circuit, anti-surge, stable and safe communication ⚡Onboard TTL serial port 3.3V and 5V level conversion circuit, can switch TTL communication level ⚡Onboard 3 LED indicators, convenient for checking power supply and signal receiving and sending status ⚡Plastic shell, frosted treatment, exquisite workmanship ⚡DC simple bullhead interface, smooth plug and unplug, sturdy and reliable, prevent reverse connection Pin Description 5V: 5V supply voltage VCC: output 3.3V or 5V (module is powered by USB, switch must be switched to 3.3V or 5V) GND: Connected to GND TXD: connect to MCU RX (signal flow direction: mcu.rx RXD: connect to MCU TX (signal flow direction: MCU. TX > ft232 > > pc.rx) RTS:Connect to MCU CTS(Signal flow direction: MCU. CTS CT:Connect to MCU RTS(Signal flow direction: MCU. RTS > ft232 > pc.cts) PWR: Power indicator, connected to USB, red light when voltage is detected TXD: Transmit indicator, red light when sending data from USB port RXD: Receive indicator, red light when sending data from device interface Product parameters Product Type Industrial USB to TTL converter Host interface USB Communication rate 300BPS ~ 3mbps Device interface UART Interface type: usb-a interface USB Interface Interface protection: self-recovery fuse, ESD protection Interface Type: Terminal Block UART Interface Interface type: 8-pin interfaceOn Jul 24, 2024 at 03:49:32 PDT, seller added the following information:
July 4, 2026
1PCS UART serial to RS485 SP3485 Transceiver Converter Communication Module
What stands out about this generic option is its no-frills approach to getting things done.
July 4, 2026
NRF24L01+PA+LNA SMA Antenna Wireless Transceiver communication module 2.4G 1100m
A nice touch is the lack of branding, which means no ugly logos to deal with.
July 4, 2026
Beckhoff, Communication Module, KL2184, New No Box, Lot of 10
Beckhoff, Communication Module, KL2184, New No Box, Lot of 10 Listing and template services provided by inkFrog
July 4, 2026
DC 3.3V 5V FT232RL Industrial USB to TTL Serial Communication Module Converter
Package Include:1 set Converter Support for Win7 / 8 / 8.1 / 10, for MAC, for Linux, for Android, for Win ce and other systems Product Features ⚡Onboard self-recovery fuse and transient suppression diode, anti-overcurrent and overvoltage, anti-backflow, anti-static,Improve impact resistance, stable and safe communication ⚡Onboard IO protection circuit, anti-surge, stable and safe communication ⚡Onboard TTL serial port 3.3V and 5V level conversion circuit, can switch TTL communication level ⚡Onboard 3 LED indicators, convenient for checking power supply and signal receiving and sending status ⚡Plastic shell, frosted treatment, exquisite workmanship ⚡DC simple bullhead interface, smooth plug and unplug, sturdy and reliable, prevent reverse connection Pin Description 5V: 5V supply voltage VCC: output 3.3V or 5V (module is powered by USB, switch must be switched to 3.3V or 5V) GND: Connected to GND TXD: connect to MCU RX (signal flow direction: mcu.rx RXD: connect to MCU TX (signal flow direction: MCU. TX > ft232 > > pc.rx) RTS:Connect to MCU CTS(Signal flow direction: MCU. CTS CT:Connect to MCU RTS(Signal flow direction: MCU. RTS > ft232 > pc.cts) PWR: Power indicator, connected to USB, red light when voltage is detected TXD: Transmit indicator, red light when sending data from USB port RXD: Receive indicator, red light when sending data from device interface Product parameters Product Type Industrial USB to TTL converter Host interface USB Communication rate 300BPS ~ 3mbps Device interface UART Interface type: usb-a interface USB Interface Interface protection: self-recovery fuse, ESD protection Interface Type: Terminal Block UART Interface Interface type: 8-pin interfaceOn Jul 24, 2024 at 02:49:28 PDT, seller added the following information:
July 4, 2026
Industrial USB to RS485/RS232 Communication Converter Module CH343G USB-A
What stands out is how this unbranded gadget keeps things simple.
July 4, 2026
10PCS MAX485 RS-485 Module TTL to RS-485 module for Arduino Raspberry USA SELLER
Description:Features MAX485 chipset; 5.08mm pitch, 2-pin terminals for RS-485 easy communication and wiringSpecification Working voltage: 5VApplication Great for DIY project1.On-board MAX485 chip, A low power consumption for the RS-485 communication, slew-rate limited transceiver.2. On board then 5.08 (mm) pitch 2P terminal to facilitate RS-485 communication wiring.3.All pins of chip have been lead to can be controlled through the microcontroller.4. Working voltage: 5V.5. Board size: 44 (mm) x14 (mm). Package Content:10 X MAX485 TTL TO RS485 Modules On Mar 27, 2024 at 06:11:30 PDT, seller added the following information:
July 4, 2026
Beckhoff, Communication Module, KL2184, New In Box, Lot of 10
Beckhoff, Communication Module, KL2184, New In Box, Lot of 10 Listing and template services provided by inkFrog
July 4, 2026