Siemens SIRIUS 3RT1926-2FK21 Solid-State OFF-Delay Timer Auxiliary Switch, 0.5-10s, 100-127V AC/DC Original Brand New
$68.66
Siemens 3RT1926-2FK21 solid-state time-delayed front-side auxiliary switch Time range 0.5…10 s, 100 … 127 V AC / DC, 1 NO contact, 1 NC contact OFF delay, without control signal for 3RT1
Overview
The Siemens SIRIUS 3RT1926-2FK21 is a high-performance, solid-state time-delayed auxiliary switch designed for front-side mounting onto SIRIUS 3RT1 contactors (sizes S0-S12). This essential industrial control component implements an OFF-delay function without requiring an external control signal (delayed release).
It ensures precise, reliable timing for your critical control circuits, making it ideal for processes requiring a delay after the main contactor is de-energized, such as fan shutdown, safety circuit sequencing, or controlled process cool-down. With a flexible wide-range supply voltage of 100…127 V AC/DC and a time setting range of 0.5 to 10 seconds, the 3RT1926-2FK21 offers versatility and accuracy in demanding industrial environments.
Key Features & Technical Specification
- Product ID: 3RT1926-2FK21 (Siemens SIRIUS)
- Function: Solid-State Time-Delayed Auxiliary Switch (OFF-Delay / Delayed Release)
- Time Range: Adjustable from 0.5…10 seconds (s)
- Voltage: Wide-range supply 100 to 127 V AC/DC
- Contacts: 1 Normally Open (1 NO) + 1 Normally Closed (1 NC)
- Mounting: Front-side, tool-free snap-on mounting on SIRIUS 3RT1 Contactors (Sizes S0-S12)
- Control Type: OFF delay without external control signal (Delayed changeover)
- Technology: Solid-state for enhanced reliability and long life.
- Application: Ideal for industrial motor control, sequence control, and safety-related delay functions.
Benefit
- Enhanced Circuit Control: Provides reliable, adjustable time-delayed switching for sequencing and process control.
- Space & Cost Savings: Front-side mounting eliminates the need for separate timing relays, saving valuable DIN rail space and simplifying wiring.
- Solid-State Reliability: Offers high switching accuracy and exceptional operational lifespan compared to electromechanical timers.
- Global Compatibility: Wide voltage range (100-127 V AC/DC) and international approvals allow for worldwide use.
- Seamless Integration: Designed specifically to integrate with the Siemens SIRIUS 3RT1 contactor family for guaranteed compatibility.
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| Weight | 0.088 kg |
|---|---|
| Dimensions | 106 × 50 × 47 mm |
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