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 fire alarm · Siemens power supplies
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
Sale price$1,453.83 USD
Siemens 6ES7798-0AA10-0XA0 Lithium-Ion Spare Battery for SIMATIC Field PG M6 M5 M4
Sale price$204.33 USD
3ZX1012-0RH11-1AA1 | Siemens SIRIUS S00 3-Pole Contactor, 230VAC Coil
Sale price$517.44 USD
3RB3036-1UB0 | Siemens Overload Relay
Sale price$1,395.03 USD
73N12F | Siemens Built-in Valve Positioner
Sale price$120.54 USD
GDE131.1U | Siemens Electronic Damper Actuator Non-Spring Return
Sale price$745.00 USD
Regular price$2,613.00 USD
FSP400-60PFI Industrial Control Equipment Power