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Single Door
TCP
/IP Network Access
Control
Board with One
Relay
Access
Control
Products
$32 - 45
Min. Order: 2 sets
9yrs
4.8/5.0
·
7 reviews
Tcp relay controller
(999+ products available)
2025-12-08
Alibaba
Electrical Equipment & Supplies
Industrial Controls
Relays
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Single Door
TCP
/IP Network Access
Control
Board with One
Relay
Access
Control
Products
Ready to Ship
$32 - 45
Min. order: 2 sets
9 yrs
CN
Supplier
4.8/5.0
·
7 reviews
·
"fast delivery"
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Mini PLC
Controller
with 4DI 4DO(
relay
) 4AI(0-10V) RS-485 Port Comm Modbus RTU Protocol (A-5189)*
Ready to Ship
$
58
.70 -
59
.80
Min. order: 1 piece
20 yrs
CN
Supplier
5.0/5.0
·
6 reviews
·
"good service"
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Compact AC DC
Relay
6SN1114-0NB01-0AA0 PLC Programming
Controller
with RS485 Communication Interface Warehouse Stock
$257 - 300
Min. order: 1 piece
1 yrs
CN
Supplier
1.0/5.0
·
1 reviews
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Protection
Relay
RTP-T-R Thermal Overcurrent Monitor Three Phase Voltage Failure Industrial
Control
Ready to Ship
$
2
.32 -
2
.50
Min. order: 1 piece
1 yrs
CN
Supplier
5.0/5.0
·
1 reviews
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