Siemens PLC & I/O from Alo Tech: 175 products — PLC CPUs and I/O modules, HMIs, relays, contactors, power supplies and process instrumentation. Popular families include ET200SP, 3RT1, 4-20MA, FSP400-60PFI, 6ES7131-6BF01-0B. Every unit ships worldwide DDP (Delivered Duty Paid) — duties and taxes are included, so there are no surprises at customs. B2B buyers get a formal quote within 24 hours and can pay by purchase order.
Need a part that is not listed? We source across the full Siemens PLC & I/O catalogue — send us the part number and we will confirm availability and lead time.
Browse: All Siemens parts · All PLC & I/O · Siemens PDUs & UPS · Siemens drives & VFDs · Siemens security cameras · Siemens power supplies
Sale price$1,296.54 USD
TXM1.8X | Siemens I/O Module
Sale price$496.86 USD
7KM2112-0BA00-3AA0 | Siemens Measuring Device
Sale price$267.54 USD
6ES7151-1AA05-0AB0 | Siemens SIMATIC DP IM 151-1 Standard Interface Module
Sale price$257.25 USD
3RT1026-1BB40 | Siemens Power Contactor
Sale price$1,296.54 USD
Siemens 6ES7272-0AA30-0YA0 SIMATIC S7-200 TD200 Text Display
Sale price$223.44 USD
6ES7222-1HH32-0XB0 | Siemens Digital Output
Sale price$855.54 USD
6ES7153-4AA01-0XB0 | Siemens Interface Module
Sale price$10,395.84 USD
6FC5372-0AA30-0AB0 | Siemens NCU Module
Sale price$1,318.59 USD
6SL3055-0AA00-3AA1 | Siemens Terminal Module
Sale price$1,899.24 USD
540-110 | Siemens Unit Conditioner Controller with Electronic Output
Sale price$6,782.58 USD
18-473-254-502 | Siemens Portable Test Set
Sale price$351.33 USD
RMZ787 | Siemens Universal Extension Module
Sale price$255.78 USD
3RH2122-1AK60 | Siemens Auxilliary Contactor Relay 2 N.O
Sale price$393.96 USD
QFA3160 | Siemens Humidity & Temperature Sensor
Sale price$198.45 USD
3RH1122-1BB40 | Siemens Contactor Relay
Sale price$120.54 USD
3RH1122-1AK60 | Siemens Contactor Relay
Sale price$542.43 USD
6SL3055-0AA00-5HA3 | Siemens SINAMICS Sensor Module
Sale price$1,142.19 USD
540-110N | Siemens Fan Coil Terminal Equipment Controller, 24 VAC
Sale price$7,980.63 USD
6AV2124-0QC13-0AX0 | Siemens SIMATIC HMI TP1500 Comfort Outdoor
Sale price$130.83 USD
3RT1015-1AK61 | Siemens Power Contactor AC-3 7 A
Sale price$1,042.23 USD
540-680FA | Siemens Wall TEC Sensor-W/Setpoint Indicator
Sale price$76.44 USD
6GK1901-1BB20-2AA0 | Siemens Industrial Ethernet FastConnect Plug
Sale price$285.18 USD
3ZX1012-0RT02-1AA1 | Siemens SIRIUS Auxiliary Contact Module for Motor Contactors
Sale price$7,348.53 USD
14-193-100-582 | Siemens Contactor 600V DC 1000A