Product Name: PowerFlex 750-Series Safe Torque-Off
Brand Name: Allen-Bradley
Model Number: 20-750-S
Place of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
Sales |
Phone/Whatsapp |
|
Jim Pei |
| Product Name | Allen-Bradley 20-750-S PowerFlex 750-Series Safe Torque-Off |
| Manufacturer | Allen-Bradley |
| Product Type | PowerFlex 750-Series Safe Torque-Off |
| Part Number | 20-750-S |
| Weight | 0.04kg |
| Estimated shipping dimensions | 15x7.2x2.3cm |
| Place of shipment | Xiamen, China |
| Country of origin | USA |
| Product Family | PowerFlex 750-Series |
| Product Type | Safety Option |
| Safety Function | Safe Torque-Off (STO) |
| User I/O Power Supply | 24 VDC ±10%, PELV or SELV |
| Power Consumption | 4.4 W |
| Safety Enable (SE+, SE–) | 24 VDC, 22 mA, short-circuit protected |
| Safety Power (SP+, SP–) | 24 VDC, 35 mA, short-circuit protected |
| Minimum Input ON Voltage | 21.6–26.4 VDC (24 VDC ±10%) |
| Maximum Input OFF Voltage | 5 V |
| Maximum Input OFF Current | 2.5 mA @ 5 VDC |
| Conductor Size | 0.3–0.8 mm² (28–18 AWG) |
| Strip Length | 10 mm (0.39 in.) |
| Safety Category | Category 3 |
| Performance Level | PL(e), per EN ISO 13849-1 |
| Safety Integrity Level | SIL CL3, per IEC 61508 and EN 62061 |
| Safety Standards | IEC/EN 60204-1, ISO 13849-1, IEC 61508, IEC 61800-5-2 |
| Functional Safety Certification | TÜV |
| Certifications / Markings | c-UL-us, CE, C-Tick, TÜV |
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Minimum Order Quantity |
1 Piece |
|
Price |
Contact for Jim |
|
Packaging Details |
Original new Factory Sealed |
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Delivery Time |
3–7 Days |
|
Payment Terms |
T/T |
|
Shipping Method |
DHL / FedEx / UPS / TNT |
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Supply Ability |
In stock |
The Allen-Bradley 20-750-S is a Safe Torque-Off (STO) safety option designed for PowerFlex 750-Series AC drives. It provides a certified method for removing motor-producing torque without requiring complete removal of power from the drive, supporting safer machine stopping and maintenance procedures. Operating with a 24 VDC safety supply, the module supports Category 3, PL(e), and SIL CL3 functional safety requirements. With TÜV certification and compliance with major international safety standards, it is well suited for machinery, manufacturing lines, material handling, and other drive-based automation systems requiring integrated functional safety.
Q1: What is the Allen-Bradley 20-750-S used for?
The 20-750-S is a Safe Torque-Off option for PowerFlex 750-Series drives. It is designed to prevent the drive from producing motor torque when the safety function is activated.
Q2: Which drives are compatible with the 20-750-S?
It is designed for use with compatible Allen-Bradley PowerFlex 750-Series AC drives.
Q3: What safety performance level does the 20-750-S support?
It supports Category 3 and Performance Level PL(e) according to EN ISO 13849-1.
Q4: What Safety Integrity Level does the 20-750-S provide?
The 20-750-S supports SIL CL3 according to IEC 61508 and EN 62061.
Q5: What power supply does the 20-750-S require?
It uses a 24 VDC ±10% PELV or SELV user I/O power supply.
Q6: Does the 20-750-S completely disconnect power from the drive?
No. The 20-750-S disables torque-producing capability as part of the Safe Torque-Off function; it does not serve as an electrical power-disconnection or isolation device.
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