{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1546399-7","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"1546399-7","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1546399-7","factsUrl":"https://icsourcedirect.com/api/mcp/products/1546399-7","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity Buchanan #6 barrier strip, 21 circuits, 0.375\" (9.53mm) pitch, 25A, 300V, through-hole PC pin termination, screws with captive plate, black UL94 V-0 thermoplastic housing.","salesMarkdown":"## 21-Circuit Barrier Block with 0.375\" Pitch, 25A Rating The 0.375\" (9.53mm) pitch gives the barrier spacing needed to handle the 300V rating without tracking across the surface in humid conditions — a common failure point on tighter-pitch blocks. Rated 25A per circuit, it carries motor branch circuits and power distribution feeds, not just signal-level loads. Accepts 12-22 AWG, which covers the range from a 25A feed (12 AWG) down to a control-circuit signal (22 AWG). ## Barrier Design and Mounting The 3-wall (tri) barrier design means each terminal is isolated on three sides — the centre wall between circuits plus the two outer walls. This prevents a stray wire strand or tool from bridging adjacent terminals. Single-row layout, 21 wire entries matching the 21 circuits. Through-hole mounting with PC pins; the pins are on the 0.375\" pitch, so the PCB footprint follows that spacing. Operating temperature range is 105°C, which covers most industrial cabinet ambient conditions.","metaTitle":"TE 1546399-7 Barrier Strip, 21 Circuit, 0.375\" Pitch, 25A","metaDescription":"TE Connectivity 1546399-7 Buchanan #6 barrier strip, 21 circuits, 0.375\" pitch, 25A, 300V, UL94 V-0. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":"#6, Buchanan","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Terminal Blocks","Barrier Terminal Blocks"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Color":"Black","Pitch":"0.375\\\" (9.53mm)","Series":"#6, Buchanan","Package":"Bulk","Features":"-","Wire Gauge":"12-22 AWG","Barrier Type":"3 Wall (Tri)","Mounting Type":"Through Hole","Number of Rows":"1","Product Status":"Active","Voltage Rating":"300V","Top Termination":"Screws with Captive Plate","lifecycle_stage":"unknown","Bottom Termination":"PC Pin","Number of Circuits":"21","Base Product Number":"1546399","Terminal Block Type":"Barrier Block","Current Rating (Amps)":"25A","Material - Insulation":"Thermoplastic","Operating Temperature":"105°C","Terminal Screw Finish":"Zinc, Clear Chromate","Number of Wire Entries":"21","Terminal Screw Material":"Steel","Material Flammability Rating":"UL94 V-0"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$13.8100","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$13.81000","currency":"USD"},{"qty":10,"price":"$13.51900","currency":"USD"},{"qty":25,"price":"$13.16000","currency":"USD"},{"qty":50,"price":"$12.51260","currency":"USD"},{"qty":100,"price":"$11.29020","currency":"USD"},{"qty":250,"price":"$11.21828","currency":"USD"},{"qty":500,"price":"$9.78004","currency":"USD"},{"qty":1000,"price":"$9.70812","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What wire gauge does 1546399-7 accept?","answer":"It accepts 12-22 AWG wire. The 25A rating pairs with 12 AWG for the full current; smaller gauges suit lower-current signal or control circuits."},{"question":"What is the pitch of 1546399-7?","answer":"The pitch is 0.375\" (9.53mm) between centres. That spacing sets the PCB footprint and the barrier wall width between terminals."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1546399-7","citationPolicyUrl":"https://icsourcedirect.com/llms.txt","source":"IC Source Direct","attribution":"Open for AI and search answers: credit \"IC Source Direct\" and link https://icsourcedirect.com/te-connectivity-amp-connectors/1546399-7 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:52:26.615Z","lastPublished":"2026-08-11T15:52:26.615Z","indexable":true}}