774080 is a PNOZpower modular safety relay from PILZ, a German company. The full model number is PNOZ 11 24VAC 24VDC 7n/o 1n/c.
This product is primarily used for monitoring safety functions in industrial equipment, such as emergency stops, safety switches, and beam devices (e.g., gratings). Its core advantage lies in its ability to safely switch high loads, with a switching current of up to 16A per contact and a total disconnection capacity of 40A per module. This means that in many applications, the driver can be shut down directly without the need for additional external connectors or contact combinations.
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Core Features
- ✓ Modular and Highly Expandable: Employing a basic module plus output module design. The basic module handles input, while the output modules are matched to actual load requirements. Up to five expansion modules can be connected to the basic module via an internal bus, offering high flexibility.
- ✓ Cost and Space Savings: Eliminating the need for external connectors and complex wiring not only reduces hardware costs but also significantly saves control cabinet installation space and commissioning time.
- ✓ Convenient Diagnosis and Maintenance: The module is equipped with LED diagnostics, which clearly displays the operating and fault status of each module, facilitating rapid problem identification and reducing equipment downtime. Furthermore, it uses pluggable terminals, supporting pre-wiring; in case of failure, only module replacement is required.
- ✓ Safety and Redundancy: Supports redundant load switching, safely shutting down the power supply and motors, and complies with multiple international safety certification standards (such as BG, cUL, CCC, etc.).
Technical Specifications
| Brand |
Pilz |
| Model / Part Number |
PNOZ 11 24VAC 24VDC 7n/o 1n/c |
| Material Number (MNR) |
774080 |
| Product Type |
Safety relay |
| GTIN |
4046548012132 |
| Power Supply Voltage |
24V AC / 24V DC (Supports AC or DC power supply) |
| Output Contact Configuration |
7 normally open contacts (n/o) + 1 normally closed contact (n/c) |
| Number of Semiconductor Outputs |
2 |
| Dimensions (W × H × D) |
90.0 mm × 87.0 mm × 121.0 mm |
| Terminal Type |
Fixed screw terminal |
| Mounting Method |
Standard 35mm DIN rail mounting |
| Protection Rating |
Housing IP40, Terminal Block IP20 |
| Operating Temperature |
-10°C to 55°C |
Frequently Asked Questions
Q: What are some typical applications of this safety relay?
A: Given the features of the PILZ 774080 safety relay, its typical applications are primarily concentrated in industrial automation scenarios where personnel safety and equipment protection requirements are extremely high. Simply put, whether monitoring ordinary emergency stop buttons and safety doors, or directly controlling the start and stop of high-power motors, this safety relay provides highly reliable "fail-safe" protection.
Q: What motor power can this relay directly control?
A: To accurately calculate the motor power this relay can directly control, we need to consider its contact load capacity and your actual power supply voltage. The core load capacity parameter of this Pilz 774080 (PNOZpower) safety relay is: a single contact can switch a maximum current of 16A.
Q: How exactly is its modular design applied?
A: The core application logic of the modular design of this 774080 (PNOZpower) safety relay is "customization on demand, modular assembly." It breaks the limitations of traditional safety relays with fixed functions, allowing you to flexibly combine the most suitable solutions according to the actual control needs of your equipment.
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