ABB|ASTO-21C|Safety board

SKU: ASTO-21C

Manufacturer: ABB
Product No.: ASTO-21C
Condition：In stock
Product Type: Safety board
Product Origin: Switzerland
Payment:T/T, Western Union
Weight: 100g
Shipping port: Xiamen
Warranty: 12 months

Description:

The ASTO-21C is a safety board designed for use in ABB ACS800 drives and inverter modules, specifically for frames R7i to R8i. It provides Safe Torque Off (STO) functionality to prevent unexpected start-up and ensure safe operation in industrial environments.

Features:

Safe Torque Off (STO) functionality
Suitable for frames R7i to R8i of ACS800 drives
Complies with IEC 61508 and EN/ISO 13849-1 standards
Integrated into drive modules for compact installation

Technical Specifications:

Supply Voltage Range: +24 V DC +/- 10%
Current Consumption: 40 mA (20 mA/channel)
Supply Cable: Single-shielded twisted pair
Maximum Cable Length: 300 m
Conductor Min. Cross Section: 0.5 mm², 20 AWG
Logic Levels: "0" < 5 V DC, "1" > 17 V DC
Ambient Temperature: 0…50 °C
Relative Humidity: Max. 90%, no condensation allowed
Altitude in Operation: 0…2000 m
Dimensions: Not specified for ASTO-21C specifically; refer to ASTO-21 for general dimensions
Weight: Not specified for ASTO-21C specifically; refer to ASTO-21 for general weight
Degree of Protection: IP20
Safety Standards Compliance: SILCL 3 according to EN 62061, PL e according to EN ISO 13849-1
Safety Data:
- SIL/PL: 2
- PFH (Probability of dangerous failure per hour): 8.72E-10 (for R7/R7i, R8/R8i)
- PFDavg (Average probability of dangerous failure on demand): 8.03E-06 (for T1 = 5 years)
- MTTFD (Mean time to dangerous failure): 4993 years (for R7/R7i, R8/R8i)

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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