# Breaker trip-counter pulse Canonical URL: https://eloragrid.ai/symbols/breaker-trip-counter-pulse Publisher: Elora Grid Updated: 2026-11-03 Lookup label: BTP Drawing use: Schematic Reference families: Manufacturer Representation: Functional block Installation focus: switchgear Input: Confirmed trip operation Output: Operation count pulse Produces a counting event when the defined trip operation is detected. ## In plain English ### What this block does Produces a counting event when the defined trip operation is detected. ### A simple example In a switchgear incomer panel, a protection relay requests opening and an auxiliary contact reports the resulting breaker position. A second trip path can have its own supply and wiring so that a single wiring fault does not remove both paths. For this reference, the drawing identifies “Confirmed trip operation” at the input and “Operation count pulse” at the output. A command counter differs from an actual-operation counter. ### What the drawings help you do Start at the named input: Confirmed trip operation. Identify its source device or document and the state represented on the drawing. Follow the named output: Operation count pulse. Cross-reference its destination and separate the command from confirmation that the equipment responded. ### Terms - Input: Confirmed trip operation - Output: Operation count pulse - Application reference: An explanation of a named drawing function or circuit relationship; the project documents define the equipment and its connections. Concept diagram: Confirmed trip operation → BTP → Operation count pulse A reading guide. The entry's original illustration and input/output facts describe this application. - [Masterclad medium-voltage switchgear: circuit-breaker section interlocks](https://productinfo.se.com/masterclad_mv_switchgear_ib/6055-30-masterclad-15kv-mv-switchgear-ib/English/6055-30%20Masterclad%20MV%20Switchgear%20Indoor%20%28bookmap%29_DD00646805.xml/%24/Section6-CircuitBreakerSectionInter-58DD6EC7) ## What it represents Produces a counting event when the defined trip operation is detected. A trip circuit carries an opening request from a control or protection device to the breaker operating mechanism. The opening command, the coil supply and the evidence that the breaker opened are separate parts of the drawing. In a switchgear incomer panel, a protection relay requests opening and an auxiliary contact reports the resulting breaker position. A second trip path can have its own supply and wiring so that a single wiring fault does not remove both paths. For this reference, the drawing identifies “Confirmed trip operation” at the input and “Operation count pulse” at the output. A command counter differs from an actual-operation counter. Trace the initiating contact, protective fuse, trip coil, return conductor and feedback independently. Identify which elements are shared between redundant paths. The diagram explains the intended command path; coil ratings and terminal numbers come from the selected breaker. The functional block is an independent explanation of this named application. Equipment-specific ratings, terminal connections and operating conditions must be established in the project documentation. ## How to read it - Start at the named input: Confirmed trip operation. Identify its source device or document and the state represented on the drawing. - Follow the named output: Operation count pulse. Cross-reference its destination and separate the command from confirmation that the equipment responded. - A command counter differs from an actual-operation counter. - Trace the initiating contact, protective fuse, trip coil, return conductor and feedback independently. Identify which elements are shared between redundant paths. The diagram explains the intended command path; coil ratings and terminal numbers come from the selected breaker. ## Information to show or reference - Label the source and connection reference for confirmed trip operation. - Identify the destination and defined state of operation count pulse. - Record the equipment or control-document revision supporting this functional block. - Check this application limit in the project design: A command counter differs from an actual-operation counter. ## Important distinction A command counter differs from an actual-operation counter. This reference describes the named application; it does not establish a new IEC graphical symbol, an ANSI device-function number or an exact manufacturer connection diagram. ## Facts - Representation: Functional block - Installation focus: Switchgear - Input / boundary: Confirmed trip operation - Output / connection: Operation count pulse - Lookup label: BTP is a library lookup label, not a standard device designation. ## Public references - [Masterclad medium-voltage switchgear: circuit-breaker section interlocks](https://productinfo.se.com/masterclad_mv_switchgear_ib/6055-30-masterclad-15kv-mv-switchgear-ib/English/6055-30%20Masterclad%20MV%20Switchgear%20Indoor%20%28bookmap%29_DD00646805.xml/%24/Section6-CircuitBreakerSectionInter-58DD6EC7) — Schneider Electric. Public technical context for breaker trip circuits. Breaker control, mechanism, position contacts, racking interlocks and test interfaces. The application text and educational graphic are independently authored; the publisher does not certify this representation. ## Graphic scope Independent original educational concept illustration by Elora Grid. Not a certified standards graphic or manufacturer footprint. Unitless; not to scale. Original artwork licence: https://creativecommons.org/licenses/by/4.0/. Publisher material is linked only.