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SSR42 24VDC 2TLA010053R0400

The ABB Sentry SSR42 24VDC (2TLA010053R0400) is a safety relay designed for use in industrial automation and machine safety systems. It monitors safety devices (such as emergency stops, safety gates, light curtains, and other safety contacts) and provides reliable safety outputs with selectable manual or automatic reset. It is intended for DIN‑rail mounting in control panels and conforms to safety performance standards.

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Key Specifications General Product: Safety relay, SSR42 series Manufacturer: ABB Part Number: 2TLA010053R0400 Supply Voltage: 24 V DC Mounting: DIN‑rail Terminal Type: Screw terminals Protection Rating: IP20 RoHS Compliant: Yes Inputs / Control Control Supply: 24 V DC Reset Mode: Manual or automatic selectable Outputs Contact Configuration: 2 NO safety outputs + 2 delayed NO outputs OFF‑Delay Time: ~1.5 seconds Rated Switching Current: 3 A (AC‑15 / DC‑13) Rated Contact Voltage: up to 250 V AC Mechanical Width: ~22.5 mm Height: ~120 mm Depth: ~120 mm Weight: ~0.207 kg Environmental Operating Temperature: ‑10 °C to +55 °C Safety & Standards For machine safety monitoring applications Meets relevant safety relay standards (e.g., ISO 13849; supports SIL depending on configuration)