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Brainboxes Ethernet & Communication Modules

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Data Rate	Interface Type	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature
Servers Ethernet 8 Port RS422/485 ES-842 Brainboxes 1: HK$6,697.00 14In Stock	Mfr. Part No. ES-842 Mouser Part No 360-ES-842	Brainboxes	Servers Ethernet 8 Port RS422/485 Learn More about Brainboxes ethernet serial	Datasheet	14In Stock	HK$6,697.00	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-422/485	5 V	30 V	0 C	+ 60 C
Unmanaged Ethernet Switches Industrial 4 Port 10/100 Ethernet Switch SW-504 Brainboxes 1: HK$653.49 33In Stock 65Expected 26/10/2026	Mfr. Part No. SW-504 Mouser Part No 360-SW-504	Brainboxes	Unmanaged Ethernet Switches Industrial 4 Port 10/100 Ethernet Switch Learn More about Brainboxes industrial ethernet switches	Datasheet	33In Stock 65Expected 26/10/2026	HK$653.49	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s	Ethernet	5 V	30 V	- 40 C	+ 80 C
Unmanaged Ethernet Switches Industrial 8 Port 10/100 Ethernet Switch SW-508 Brainboxes 1: HK$1,140.53 59In Stock	Mfr. Part No. SW-508 Mouser Part No 360-SW-508	Brainboxes	Unmanaged Ethernet Switches Industrial 8 Port 10/100 Ethernet Switch Learn More about Brainboxes industrial ethernet switches	Datasheet	59In Stock	HK$1,140.53	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s	Ethernet	5 V	30 V	- 40 C	+ 80 C
Unmanaged Ethernet Switches Industrial 5 Port Gigabit Ethernet Switch SW-515 Brainboxes 1: HK$1,190.26 86In Stock 175Expected 20/11/2026	Mfr. Part No. SW-515 Mouser Part No 360-SW-515	Brainboxes	Unmanaged Ethernet Switches Industrial 5 Port Gigabit Ethernet Switch Learn More about Brainboxes sw 515 switch	Datasheet	86In Stock 175Expected 20/11/2026	HK$1,190.26	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s, 1 Gb/s	Ethernet	5 V	30 V	- 40 C	+ 80 C
Unmanaged Ethernet Switches Hardened Industrial 8 Port 10/100 Ethernet Switch SW-708 Brainboxes 1: HK$1,302.87 13In Stock	Mfr. Part No. SW-708 Mouser Part No 360-SW-708	Brainboxes	Unmanaged Ethernet Switches Hardened Industrial 8 Port 10/100 Ethernet Switch Learn More about Brainboxes industrial ethernet switches	Datasheet	13In Stock	HK$1,302.87	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s	Ethernet	5 V	30 V	- 40 C	+ 80 C
Servers USB 4 Port RS232 1MBaud US-701 Brainboxes 1: HK$1,948.22 23In Stock	Mfr. Part No. US-701 Mouser Part No 360-US-701	Brainboxes	Servers USB 4 Port RS232 1MBaud Learn More about Brainboxes usb c serial	Datasheet	23In Stock	HK$1,948.22	Min.: 1 Mult.: 1	Servers	Serial Device Servers		RS-232, USB 2.0	5 V	5 V
Unmanaged Ethernet Switches Hardened Industrial 14x 10/100 & 2x 1G Ethernet Switch SW-7416 Brainboxes 1: HK$2,318.70 4In Stock	Mfr. Part No. SW-7416 Mouser Part No 360-SW-7416	Brainboxes	Unmanaged Ethernet Switches Hardened Industrial 14x 10/100 & 2x 1G Ethernet Switch Learn More about Brainboxes hero ethernet switches	Datasheet	4In Stock	HK$2,318.70	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s, 1 Gb/s	Ethernet	5 V	30 V	- 40 C	+ 80 C
Ethernet Modules Ethernet to 4 DIO + Ethernet to RS232 ED-004 Brainboxes 1: HK$1,776.67 5In Stock	Mfr. Part No. ED-004 Mouser Part No 360-ED-004	Brainboxes	Ethernet Modules Ethernet to 4 DIO + Ethernet to RS232 Learn More about Brainboxes ethernet remote io	Datasheet	5In Stock	HK$1,776.67	Min.: 1 Mult.: 1	Ethernet Modules	Ethernet to Digital I/Os	10 Mb/s, 100 Mb/s	DIO, Ethernet, RS-232	5 V	30 V	0 C	+ 60 C
Ethernet Modules Ethernet to 4 DIO + RS232 + Switch ED-204 Brainboxes 1: HK$1,909.83 5In Stock	Mfr. Part No. ED-204 Mouser Part No 360-ED-204	Brainboxes	Ethernet Modules Ethernet to 4 DIO + RS232 + Switch Learn More about Brainboxes ethernet remote io	Datasheet	5In Stock	HK$1,909.83	Min.: 1 Mult.: 1	Ethernet Modules	Ethernet to Digital I/Os	10 Mb/s, 100 Mb/s	DIO, Ethernet, RS-232	5 V	30 V	- 10 C	+ 60 C
Servers Ethernet 1 Port RS232 10xScrew Terminals ES-020 Brainboxes 1: HK$1,827.96 1In Stock	Mfr. Part No. ES-020 Mouser Part No 360-ES-020	Brainboxes	Servers Ethernet 1 Port RS232 10xScrew Terminals Learn More about Brainboxes ethernet serial	Datasheet	1In Stock	HK$1,827.96	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-232	5 V	30 V	0 C	+ 60 C
Servers Ethernet 1 Port RS232 + 1 Port RS422/485 ES-357 Brainboxes 1: HK$1,972.72 5In Stock	Mfr. Part No. ES-357 Mouser Part No 360-ES-357	Brainboxes	Servers Ethernet 1 Port RS232 + 1 Port RS422/485 Learn More about Brainboxes ethernet serial	Datasheet	5In Stock	HK$1,972.72	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-232/422/485	5 V	30 V	- 30 C	+ 80 C
Servers Ethernet 2 Port RS422/485 Power Over Ethernet (PoE) ES-413 Brainboxes 1: HK$2,132.43 2In Stock	Mfr. Part No. ES-413 Mouser Part No 360-ES-413	Brainboxes	Servers Ethernet 2 Port RS422/485 Power Over Ethernet (PoE) Learn More about Brainboxes es 413 420 446 457 ethernet to serial servers	Datasheet	2In Stock	HK$2,132.43	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-422/485	5 V	30 V	0 C	+ 60 C
Servers Ethernet 1 Port RS422/485 Power Over Ethernet (PoE) ES-420 Brainboxes 1: HK$1,747.49 3In Stock	Mfr. Part No. ES-420 Mouser Part No 360-ES-420	Brainboxes	Servers Ethernet 1 Port RS422/485 Power Over Ethernet (PoE) Learn More about Brainboxes es 413 420 446 457 ethernet to serial servers	Datasheet	3In Stock	HK$1,747.49	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-422/485	5 V	30 V	0 C	+ 60 C
Servers Ethernet 1 Port RS232 Power Over Ethernet (PoE) ES-446 Brainboxes 1: HK$1,489.46 1In Stock 4Expected 30/10/2026	Mfr. Part No. ES-446 Mouser Part No 360-ES-446	Brainboxes	Servers Ethernet 1 Port RS232 Power Over Ethernet (PoE) Learn More about Brainboxes es 413 420 446 457 ethernet to serial servers	Datasheet	1In Stock 4Expected 30/10/2026	HK$1,489.46	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-232	5 V	30 V	0 C	+ 60 C
Servers Ethernet Industrial 1xRS232/422/485 ES-511 Brainboxes 1: HK$2,961.01 2In Stock 4Expected 2/12/2026	Mfr. Part No. ES-511 Mouser Part No 360-ES-511	Brainboxes	Servers Ethernet Industrial 1xRS232/422/485 Learn More about Brainboxes ethernet serial	Datasheet	2In Stock 4Expected 2/12/2026	HK$2,961.01	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-232/422/485	5 V	30 V	- 30 C	+ 80 C
Servers Industrial Ethernet Isolated 1xRS232/422/485 + Switch ES-571 Brainboxes 1: HK$4,093.72 2In Stock	Mfr. Part No. ES-571 Mouser Part No 360-ES-571	Brainboxes	Servers Industrial Ethernet Isolated 1xRS232/422/485 + Switch Learn More about Brainboxes ethernet serial	Datasheet	2In Stock	HK$4,093.72	Min.: 1 Mult.: 1	Servers	Serial Device Servers	10 Mb/s, 100 Mb/s	DIO, Ethernet, RS-232/422/485	5 V	30 V	- 40 C	+ 80 C
Unmanaged Ethernet Switches Hardened Industrial 5 Port 10/100 Ethernet Switch SW-705 Brainboxes 1: HK$953.85 6In Stock	Mfr. Part No. SW-705 Mouser Part No 360-SW-705	Brainboxes	Unmanaged Ethernet Switches Hardened Industrial 5 Port 10/100 Ethernet Switch Learn More about Brainboxes industrial ethernet switches	Datasheet	6In Stock	HK$953.85	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s	Ethernet	5 V	30 V	- 40 C	+ 80 C
Unmanaged Ethernet Switches Hardened Industrial 5 Port Gigabit Ethernet Switch SW-715 Brainboxes 1: HK$1,331.23 12In Stock	Mfr. Part No. SW-715 Mouser Part No 360-SW-715	Brainboxes	Unmanaged Ethernet Switches Hardened Industrial 5 Port Gigabit Ethernet Switch Learn More about Brainboxes sw 715 ethernet switch	Datasheet	12In Stock	HK$1,331.23	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s, 1 Gb/s	Ethernet	5 V	30 V	- 40 C	+ 85 C
Ethernet Modules Ethernet to 16 Digital Outputs ED-527 Brainboxes 1: HK$2,422.52 58On Order	Mfr. Part No. ED-527 Mouser Part No 360-ED-527	Brainboxes	Ethernet Modules Ethernet to 16 Digital Outputs Learn More about Brainboxes ethernet remote io	Datasheet	58On Order On Order Ship Dates Mfr. No: ED-527 Stock: 0 On Order: 13 Expected 10/11/2026 45 Expected 3/12/2026 Factory Lead Time: 8 Weeks	HK$2,422.52	Min.: 1 Mult.: 1	Ethernet Modules	Ethernet to Digital I/Os	10 Mb/s, 100 Mb/s	DIO, Ethernet	5 V	30 V	- 40 C	+ 80 C
Ethernet Modules Ethernet to 8 Analogue Input ED-549 Brainboxes 1: HK$3,524.74 78Expected 8/12/2026	Mfr. Part No. ED-549 Mouser Part No 360-ED-549	Brainboxes	Ethernet Modules Ethernet to 8 Analogue Input Learn More about Brainboxes ethernet remote io	Datasheet	78Expected 8/12/2026	HK$3,524.74	Min.: 1 Mult.: 1	Ethernet Modules	Ethernet to Analog I/Os	10 Mb/s, 100 Mb/s	Analog IO, Ethernet	5 V	30 V	- 40 C	+ 80 C
Unmanaged Ethernet Switches Light Industrial 5 Port Gigabit Ethernet Switch SW-015 Brainboxes 1: HK$687.44 252Expected 2/11/2026	Mfr. Part No. SW-015 Mouser Part No 360-SW-015	Brainboxes	Unmanaged Ethernet Switches Light Industrial 5 Port Gigabit Ethernet Switch Learn More about Brainboxes sw 015 5 port ethernet switch	Datasheet	252Expected 2/11/2026	HK$687.44	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s, 1 Gb/s	Ethernet	5 V	30 V	- 10 C	+ 60 C
Unmanaged Ethernet Switches Industrial 8 Port Gigabit Ethernet Switch SW-518 Brainboxes 1: HK$1,363.29 90On Order New Product	Mfr. Part No. SW-518 Mouser Part No 360-SW-518 New Product	Brainboxes	Unmanaged Ethernet Switches Industrial 8 Port Gigabit Ethernet Switch Learn More about Brainboxes sw 518 ethernet switch	Datasheet	90On Order On Order Ship Dates Mfr. No: SW-518 Stock: 0 On Order: 18 Expected 1/12/2026 30 Expected 17/12/2026 42 Expected 21/12/2026 Factory Lead Time: 11 Weeks	HK$1,363.29	Min.: 1 Mult.: 1	Unmanaged Ethernet Switches		10 Mb/s, 100 Mb/s, 1000 Mb/s	Ethernet	5 VDC	30 VDC	- 40 C	+ 80 C
Ethernet Modules Ethernet to 3 x Relay + 3 Digital Inputs ED-038 Brainboxes 1: HK$1,474.01 163On Order	Mfr. Part No. ED-038 Mouser Part No 360-ED-038	Brainboxes	Ethernet Modules Ethernet to 3 x Relay + 3 Digital Inputs Learn More about Brainboxes ethernet remote io	Datasheet	163On Order On Order Ship Dates Mfr. No: ED-038 Stock: 0 On Order: 51 Expected 28/10/2026 112 Expected 2/12/2026 Factory Lead Time: 15 Weeks	HK$1,474.01	Min.: 1 Mult.: 1	Ethernet Modules	Ethernet to Digital I/Os	10 Mb/s, 100 Mb/s	DIO, Ethernet	5 V	30 V	- 10 C	+ 60 C
Servers Ethernet 2 Port RS232 Power Over Ethernet (PoE) ES-457 Brainboxes 1: HK$2,089.20 7Expected 30/10/2026	Mfr. Part No. ES-457 Mouser Part No 360-ES-457	Brainboxes	Servers Ethernet 2 Port RS232 Power Over Ethernet (PoE) Learn More about Brainboxes es 413 420 446 457 ethernet to serial servers	Datasheet	7Expected 30/10/2026	HK$2,089.20	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-232	5 V	30 V	0 C	+ 60 C
Servers Ethernet 2 Port RS232 ES-257 Brainboxes 1: HK$1,704.75 3Expected 6/11/2026	Mfr. Part No. ES-257 Mouser Part No 360-ES-257	Brainboxes	Servers Ethernet 2 Port RS232 Learn More about Brainboxes ethernet serial	Datasheet	3Expected 6/11/2026	HK$1,704.75	Min.: 1 Mult.: 1	Servers	Serial Device Servers	1 Mb/s, 10 Mb/s, 100 Mb/s	Ethernet, RS-232	5 V	30 V	0 C	+ 60 C