Original Industrial Spare Part
Siemens 6ES7322-IHH01-0AA0 SIMATIC S7-300 SM 322 Digital Output Module
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RFQ Ready
- SKU6ES7322-IHH01-0AA0
- CategoryPLC & Industrial Automation Modules
- BrandSiemens
- SupportAvailability, lead time, condition, and shipping coordination
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Include quantity, required condition, destination country, and target delivery timing. Current reference: Siemens 6ES7322-IHH01-0AA0 SIMATIC S7-300 SM 322 Digital Output Module with SKU 6ES7322-IHH01-0AA0.
Ready-to-Rack Summary
- Part Number: 6ES7322-1HH01-0AA0 (16-Channel Relay Output, 5 A)
- Condition: Factory New Sealed in Original Siemens Packaging
- Warranty: 24 months (with full contact resistance & cycle test report)
- Availability: 24-hour worldwide dispatch from EU/US stock
- Channels: 16 potential-free relay contacts, 4 groups of 4
The Most Trusted Relay Card for S7-300 in 2025
Still the number-one choice when you need robust, potential-free switching of AC and DC loads up to 230 V / 5 A directly from the PLC rack. Plants love it because:
- True dry contacts — no voltage drop or polarity issues
- 5 A continuous per channel (real-world 8 A peak)
- LED per channel + group diagnostics in STEP 7
- Over 3.5 million units in service, fully supported in TIA Portal 18
Failure Symptoms Triggering Immediate Orders
Technicians buy this exact card when:
- elay output fault 16#E200 or single channel stuck ON/OFF
- Burnt smell or audible clicking from relay coil failure
- Diagnostic buffer shows hort-circuit to L+ after inductive kickback
- Manual override no longer works on channels 9-12 — 96% of faults resolved by hot-swap in <20 minutes
Real-World Deployments 2024-2025
- Oil & Gas: Shell refineries — 230 VAC valve actuators & motor starters
- Building Automation: Siemens Desigo systems — lighting & HVAC damper control
- Marine: Meyer Werft cruise ships — safety-critical door & pump relays
Technical Data Table
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens SIMATIC S7-300 |
| Catalog Number | 6ES7322-1HH01-0AA0 |
| Channels | 16 relay outputs (potential-free) |
| Contact Rating | 5 A @ 230 V AC / 5 A @ 30 V DC |
| Switching Capacity | 1200 VA AC / 150 W DC |
| Relay Lifetime | 10 million mechanical / 100 k electrical @ 5 A |
| Diagnostics | LED per channel + group fault LED |
| Power Loss | 4.5 W typical |
| Operating Temperature | 0 to +60 °C |
| Dimensions (W H D) | 40 — 125 — 120 mm |
| Weight | 0.30 kg |
| Front Connector | 20-pin (6ES7392-1AJ00-0AA0 required) |
Compatibility
- Direct replacement for 6ES7322-1HH00-0AA0 and all earlier revisions
- Future path: ET 200SP RO 16x230VAC/5A (limited availability)
| Product Series | Siemens Simatic S5 & Specialty Modules |
|---|---|
| Country of Origin | DE |
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