Description
Product Overview
The Siemens 6ES7322-1HF01-0AA0 SM 322 module expands SIMATIC S7-300 systems with 8 relay-based digital outputs. With flexible voltage support (24 V DC / 230 V AC), it provides robust switching performance for a wide range of industrial devices. Relay isolation ensures high reliability and protection for connected equipment. The 20-pole connector design allows for simple system integration.
Key Features
Official Product Number: 6ES7322-1HF01-0AA0
SIMATIC S7-300 SM 322 digital output module
8 isolated relay outputs
Supports 24 V DC, 2 A and 230 V AC, 2 A per channel
20-pole connector
Robust isolation for industrial applications
Warranty & After-Sales
12-month warranty from delivery date
Full after-sales support and troubleshooting
Replacement services for defective units
Delivery Time
Standard delivery: 3–5 business days
Global express shipping available
Why Choose KaiRock
Trusted Siemens module supplier with global reach
Competitive pricing for traders and integrators
Professional support for installation and configuration
Fast delivery and reliable logistics services
Applications
- Control of actuators and relays in automation systems
Switching industrial loads at 24 V DC or 230 V AC
Flexible output expansion in SIMATIC S7-300 systems
General industrial automation and process control





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