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Block
Block is a manufacturer of industrial automation components, recognized for its robust programmable controllers, AC drives, and human-machine interfaces. These products are integral to machine automation, process control, and plant operations, valued by engineers for their dependability and ease of integration into existing systems. Block components are designed for long service life and are supported by comprehensive documentation, simplifying maintenance and upgrades. Industrial Automation Co. stocks new and refurbished Block parts with quote-based pricing.
Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.
We offer 24 months warranty on selected brands
Typical quote turnaround for hard-to-source and legacy replacement requests
New, refurbished, and surplus paths surfaced clearly for procurement teams
Hard-to-find parts, sourced fast
Real value
Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.
Built for urgent procurement
RFQ ready
Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.
Verified parts you can rely on
Trusted data
Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.
Global sourcing, local reliability
Worldwide trust.
We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.
SKU · TT312-48-4-23
Block TT312-48-4-23
BLOCK TT312-48-4-23 TT31248423 3PH. ISOLATION TRANSFORMER - 12.5KVA - 400 / 480V IP23
SKU · AT3250-69-4
Block AT3250-69-4
BLOCK AT3250-69-4 AT3250694 AUTOTRANSFORME 250000 VA VIN::3 X 690VOUT: 3 X 400 VAC
SKU · LR324-10/200
Block LR324-10/200
BLOCK LR324-10/200 LR32410200 LINE REACTOR THREE PHASE 240V/10% Z/200A
SKU · AT3250-22/23-4
Block AT3250-22/23-4
BLOCK AT3250-22/23-4 AT325022234 AUTOTRANSFORMER250 000 VA VIN:3 X 220/230 VAC VOUT: 3 X 400 VAC
SKU · AT3250-20/21-4
Block AT3250-20/21-4
BLOCK AT3250-20/21-4 AT325020214 AUTOTRANSFORMER 250000 VA VIN: 3 X 200/208 VACVOUT:3 X 400 VAC
SKU · AT3250-24/35-4
Block AT3250-24/35-4
BLOCK AT3250-24/35-4 AT325024354 AUTOTRANSFORMER250000 VA VIN:3 X 240/346 VAC VAC VOUT: 3 X 400 VAC
SKU · TT312-23-4-23
Block TT312-23-4-23
BLOCK TT312-23-4-23 TT31223423 3PH. ISOLATION TRANSFORMER - 12.5KVA - 400 / 230V IP23
SKU · AT3160-20/21-4
Block AT3160-20/21-4
BLOCK AT3160-20/21-4 AT316020214 AUTOTRANSFORMER 160 000 VA VIN: 3 X 200/208 VACVOUT:3 X 400 VAC