Technical Parameters Parameter / Feature Specification / Detail Model / Series Sentry BSR23 — 2TLA010041R0600 Supply Voltage 24 V DC Function Safety expansion relay (provides additional safe outputs) Safety Output Contacts 4 × Normally‑Open (NO) + 1 × Normally‑Closed (NC) relay contacts (4NO + 1NC) Contact Current / Load Capacity Rated for typical control loads; supports up to 5 A (AC‑15) / 6 A (DC‑13) operational current on contacts depending on load type Wiring / Connection Screw terminals; supports solid or ferruled conductors; wire cross‑section typical: 0.2–3.3 mm² (single) or 0.2–1.5 mm² (double) depending on terminal configuration Mounting DIN‑rail (TH35) mounting (standard control‑panel rail) Enclosure / Protection IP20 (housing/terminals) Dimensions (W × H × D) 22.5 mm × 120 mm × 120 mm Weight ~ 0.20 kg Safety Performance / Level Designed as expansion relay associated with safety circuits; can be used where safety system requires expansion of outputs; used in safety architectures compliant with high‑level safety requirements when correctly integrated Intended Use / Application Expanding number of safe outputs for safety relays / safety PLCs — controlling multiple contactors/actuators from a single safety input, suitable for industrial machinery control cabinets