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Part Number: 6ES7 321-1BH02-0AA0
Brand / Manufacturer: Siemens
Category: I/O Module
The Siemens 6ES7321-1BH02-0AA0 is a SIMATIC S7-300 SM 321 digital input module. It provides 16 optically isolated digital inputs, operating at 24V DC. This module is suitable for connecting switches and 2/3/4-wire proximity sensors (BEROs).
Condition: New, Sealed in Original Box
Availability: Ships in 1–2 weeks from order confirmation. Request a quote for pricing and exact lead time.
List Price: $260
View 6ES7 321-1BH02-0AA0 product page | Request a Quote for 6ES7 321-1BH02-0AA0
| Specification | Value |
|---|---|
| Number of Channels | 16 |
| Signal Type | 24V DC |
| Isolation | Optically isolated in groups of 16 |
| input voltage | 24 V DC |
| dimensions | 4.92 x 1.57 x 4.72 in (125.0 x 40.0 x 120.0 mm) |
| weight | 0.44 lbs (0.2 kg) |
| Country of Origin | Germany or China |
US Control Tech is a trusted supplier of Siemens SIMATIC S7-1500, S7-300, and ET 200 components (6ES7 catalog numbers). Every CPU, signal module, and power supply ships new and sealed in its original Siemens packaging — never used, never decommissioned. Submit an RFQ with the full 6ES7 part number and our automation team will return a firm quote and confirmed ship date, typically within 1-2 weeks for stocked items.
The 6ES7 321-1BH02-0AA0 is an I/O module from Siemens, sourced by US Control Tech. Every unit ships new and sealed in original packaging. Request a quote and our team typically responds with pricing and availability within 24-72 hours.
The 6ES7 321-1BH02-0AA0 is covered by US Control Tech's 15-day DOA (Dead on Arrival) functional guarantee, measured from the date of carrier-confirmed delivery. Claims must be submitted within 15 days and require photo or video evidence of the issue.
The 6ES7 321-1BH02-0AA0 is sold new and sealed in original packaging. US Control Tech does not sell refurbished, used, or aftermarket components — every unit is a genuine Siemens part.
In-stock 6ES7 321-1BH02-0AA0 units ship within 1-2 weeks of order confirmation. Quotes for sourced or hard-to-find inventory are typically returned within 24-72 hours, and expedited shipping is available for critical downtime situations.