19521
Image for illustration purposes only.
If you're unsure whether this part is a perfect match, please contact us.
Condition: New Surplus
Priced on Request
Est. shipping: October 29 2026
Condition: Used
Priced on Request
Est. shipping: November 02 2026
Our Warehouse Description:
The 19521 is a versatile electrical component series that includes circuit breakers, shunt trip units, and control accessories. It features a shunt trip unit compatible with 24...30V AC/DC systems, suitable for integration with various frames. The series also includes memory cards designed for S7-400 controllers, offering conformal coating for protection in harsh environments, with options for 8 MB or 16 MB capacities and operational temperature ranges from -25°C to +70°C. Additionally, the series encompasses detectors with adjustable on/off buttons, light point brightness, and external switch compatibility, as well as standard twist drills made of solid carbide for precise machining applications.
Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.
***CJS Automation is NOT an authorised distributor of Siemens***
Other Siemens Parts
Closest part codes available to buy online.
GB 
US 
DE 
DK 
ES 
FI 
FR 
IT 
NL 
NO 
PT 
SE