2TLA010033R2000_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Parameter / Feature Specification / Detail Supply Voltage (coil / control) 24 V DC Relay Type / Series BT51 24 VDC Safety / Expansion Relay Output Contacts 4 × Normally‑Open (4 NO) safety contacts Contact Rating / Switching Capacity (Resistive Load) 6 A @ 250 V AC (max 1500 VA), or 6 A @ 24 V DC (max 150 W) Inductive Load Capacity 2 A @ 240 V AC (AC‑15), 1 A @ 24 V DC (DC‑13) Maximum Total Switching Capacity (all contacts) 12 A (distributed among contacts) Minimum Load Capacity 10 mA @ 10 V (when contact load ≤ 100 mA) Reset / Supervision Features Internal supervision; test/reset input to ensure contactors/valves have dropped before restart Input‑Output Isolation / Safety Category Safety Category: Cat. 4 / Performance Level (PL): e (per ISO 13849‑1) / SIL 3 (per IEC 61508) Terminals / Connection Screw‑type terminals, DIN‑rail mounting (35 mm rail) Enclosure / Protection Rating IP40 (housing); terminals rated IP20 Operating Temperature –10 °C … +55 °C Dimensions (W × D × H) 22.5 mm × 120 mm × 84 mm Power Consumption Approx. 1.4 … 1.8 W Contact Material Silver with gold flash (Ag + Au flash)

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DESCRIBE

The 2TLA010033R2000 (series BT51 24 VDC) is a safety / expansion relay designed for industrial safety applications such as emergency stop circuits, safety‑interlocks, gate/guard/machine‑door monitoring, and safety output expansion. It accepts safety device inputs (e.g. emergency‑stop pushbuttons, safety‑switches, interlocks) and provides four safety‑rated outputs to simultaneously control several actuators or contactors. The relay includes internal supervision and a “test/reset” input to verify that downstream contactors or valves have actually opened before allowing a restart — ensuring a safe reset sequence. The unit is DIN‑rail mountable, compact (22.5 mm width), and suitable for integration into control cabinets.

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