The SRB-E-204ST is a multifunction safety relay designed for monitoring up to four sensors and providing two fail-safe Stop 0 outputs and four signalling outputs. It features plug-in screw terminals, integral system diagnostics with error codes, and LED status indicators. The device mounts on a standard DIN rail and is constructed from glass-fibre reinforced thermoplastic with an IP40 enclosure rating. It supports a cable cross-section of 0.25 mm² to 2.5 mm², with a tightening torque of 0.5 Nm. The relay meets EN ISO 13849-1 (PL e, Cat. 4), IEC 62061 (SIL 3), and IEC 61508 standards, with a PFH of 2.66 × 10⁻⁹/h and a mission time of 20 years. Dimensions are 22.5 mm width, 98 mm height, and 115 mm depth, and the gross weight is 150 g.
Multifunction safety relay SRB-E-204ST - 103009973 from Schmersal provides the ability to monitor and control your safety applications with 2 digital fail-safe outputs, and 4 auxiliary output. The SRB-E-204ST - 103009973 can be integrated into a variety of functions, including safety sensor, e-stop, light curtain, and two-handed control applications among others. The operating voltage of the SRB-E-204ST - 103009973 is 24 V DC. The rated output voltage of the fail-safe outputs is 24 V DC with a 2 A current rating.
| Automation24, Inc. | |
|---|---|
| Product Category | Electromechanical Relays |
| Product Name | Safety relay Schmersal SRB-E-204ST - 103009973 |
| Mounting | Screw terminals |
