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Power Triple Lock Connector System

TE Connectivity's (TE) Power Triple Lock (PTL) Connector System offers three locking methods and an enhanced design to meet the market demand for improved connector stability and reliability in power and signal applications. An audible 'lock' latch provides confirmation when the cap and plug are mated while the ribs surrounding the latch prevent wires from becoming snagged underneath the latch. Optional Connector Position Assurance (CPA) ensures the PTL Connector System is not accidentally disengaged. The optional Terminal Position Assurance (TPA) feature ensures contacts are fully seated in the housing and provides an added measure against contact backout. Additional features include high temperature housings up to 150°C (302°F) and an upgraded lanceless contact design.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Power to the Board 2x3 cap housing lgr panel mount Key A 5-1971775-3 TE Connectivity 1: ¥169.4 1,409In Stock	Mfr. Part # 5-1971775-3 Mouser Part # 571-5-1971775-3	TE Connectivity	Power to the Board 2x3 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	1,409In Stock	¥169.4 ¥143.3 ¥127.9 ¥121.8 View ¥113.3 ¥111 ¥96.7 ¥90.4 ¥84.2	Min.: 1 Mult.: 1
Power to the Board 2x4 cap housing lgr panel mount Key A 5-1971775-4 TE Connectivity 1: ¥182.7 169In Stock	Mfr. Part # 5-1971775-4 Mouser Part # 571-5-1971775-4	TE Connectivity	Power to the Board 2x4 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	169In Stock	¥182.7 ¥155.8 ¥139 ¥132.4 View ¥124.1 ¥118.3 ¥104.6 ¥100.3 ¥95.8	Min.: 1 Mult.: 1
Power to the Board 2x5 cap housing lgr panel mount Key A 5-1971775-5 TE Connectivity 1: ¥161.1 510In Stock	Mfr. Part # 5-1971775-5 Mouser Part # 571-5-1971775-5	TE Connectivity	Power to the Board 2x5 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	510In Stock	¥161.1 ¥137.5 ¥122.7 ¥116.9 View ¥109.6 ¥100.8 ¥92.4 ¥86.9 ¥85.5	Min.: 1 Mult.: 1
Power to the Board 2x6 cap housing lgr panel mount Key A 5-1971775-6 TE Connectivity 1: ¥217.6 618In Stock	Mfr. Part # 5-1971775-6 Mouser Part # 571-5-1971775-6	TE Connectivity	Power to the Board 2x6 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	618In Stock	¥217.6 ¥184.4 ¥159.1 ¥149.8 View ¥135.4 ¥112.4 ¥107.5 ¥105.5	Min.: 1 Mult.: 1
Power to the Board 2x3 plug housing lgr Key A 5-1971776-3 TE Connectivity 1: ¥189.4 413In Stock	Mfr. Part # 5-1971776-3 Mouser Part # 571-5-1971776-3	TE Connectivity	Power to the Board 2x3 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	413In Stock	¥189.4 ¥161.4 ¥144 ¥137.2 View ¥126.9 ¥120.8 ¥101.5 ¥97 ¥95.3	Min.: 1 Mult.: 1
Power to the Board 3x4 cap housing lgr panel mount Key A 5-1971875-4 TE Connectivity / AMP 1: ¥224.2 211In Stock 600On Order	Mfr. Part # 5-1971875-4 Mouser Part # 571-5-1971875-4	TE Connectivity / AMP	Power to the Board 3x4 cap housing lgr panel mount Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	211In Stock 600On Order	¥224.2 ¥191 ¥171.1 ¥161.9 View ¥151.8 ¥136.9 ¥129.1 ¥127.2 ¥119.3	Min.: 1 Mult.: 1
Headers & Wire Housings 3x4 plug housing lgr Key A 5-1971876-4 TE Connectivity 1: ¥209.3 452In Stock	Mfr. Part # 5-1971876-4 Mouser Part # 571-5-1971876-4	TE Connectivity	Headers & Wire Housings 3x4 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	452In Stock	¥209.3 ¥177.7 ¥158.1 ¥150.7 View ¥141.2 ¥133.2 ¥118.3 ¥114.4 ¥107.1	Min.: 1 Mult.: 1
Headers & Wire Housings 3x5 plug housing lgr Key A 5-1971876-7 TE Connectivity 1: ¥242.5 398In Stock	Mfr. Part # 5-1971876-7 Mouser Part # 571-5-1971876-7	TE Connectivity	Headers & Wire Housings 3x5 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	398In Stock	¥242.5 ¥206 ¥184.4 ¥176.1 View ¥163.8 ¥150.5 ¥138 ¥134.5 ¥126.2	Min.: 1 Mult.: 1
Heavy Duty Power Connectors PTL MFBL 1X3 CAP HOUSING PANEL MOUNT 5-2232353-3 TE Connectivity 1: ¥69.8 4,018In Stock	Mfr. Part # 5-2232353-3 Mouser Part # 571-5-2232353-3	TE Connectivity	Heavy Duty Power Connectors PTL MFBL 1X3 CAP HOUSING PANEL MOUNT Learn More about TE Connectivity te ptl connectors	Datasheet	4,018In Stock	¥69.8 ¥61.3 ¥56.5 ¥53 View ¥52.5 ¥48.7 ¥40.4 ¥39.5	Min.: 1 Mult.: 1
Power to the Board 2 x 3 PBT-A Cap Hsg Panel Mount 1-1971775-3 TE Connectivity / AMP 1: ¥139.5 2,729In Stock	Mfr. Part # 1-1971775-3 Mouser Part # 571-1-1971775-3	TE Connectivity / AMP	Power to the Board 2 x 3 PBT-A Cap Hsg Panel Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	2,729In Stock	¥139.5 ¥118.3 ¥105.5 ¥95 View ¥88.2 ¥81.2 ¥76.4 ¥71.9 ¥69.4	Min.: 1 Mult.: 1
Power to the Board 2 x 4 PBT-A Cap Hsg Panel Mount 1-1971775-4 TE Connectivity / AMP 1: ¥137.9 2,754In Stock 17,200On Order	Mfr. Part # 1-1971775-4 Mouser Part # 571-1-1971775-4	TE Connectivity / AMP	Power to the Board 2 x 4 PBT-A Cap Hsg Panel Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	2,754In Stock 17,200On Order	¥137.9 ¥116.6 ¥104.1 ¥99 View ¥91.7 ¥88.4 ¥84.2 ¥78.9 ¥77.9	Min.: 1 Mult.: 1
Power to the Board 2x5 cap housing panel mt Key A nat 1-1971775-5 TE Connectivity 1: ¥154.5 802In Stock	Mfr. Part # 1-1971775-5 Mouser Part # 571-1-1971775-5	TE Connectivity	Power to the Board 2x5 cap housing panel mt Key A nat Learn More about TE Connectivity te ptl connectors	Datasheet	802In Stock	¥154.5 ¥136 ¥120.6 ¥114.6 View ¥111.6 ¥106.3 ¥95.5 ¥90 ¥88.5	Min.: 1 Mult.: 1
Power to the Board 2x6 cap housing panel mt Key A nat 1-1971775-6 TE Connectivity 1: ¥159.5 212In Stock 900Expected 1/25/2027	Mfr. Part # 1-1971775-6 Mouser Part # 571-1-1971775-6	TE Connectivity	Power to the Board 2x6 cap housing panel mt Key A nat Learn More about TE Connectivity te ptl connectors	Datasheet	212In Stock 900Expected 1/25/2027	¥159.5 ¥134.9 ¥119.4 ¥109.5 View ¥102.2 ¥99 ¥90.2 ¥84.5	Min.: 1 Mult.: 1
Power to the Board 2 x 3 PBT-A Plug Hsg 1-1971776-3 TE Connectivity / AMP 1: ¥169.4 2,349In Stock	Mfr. Part # 1-1971776-3 Mouser Part # 571-1-1971776-3	TE Connectivity / AMP	Power to the Board 2 x 3 PBT-A Plug Hsg Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	2,349In Stock	¥169.4 ¥142.5 ¥136.9 ¥128.1 View ¥106.8 ¥101.8 ¥96.8 ¥91.5 ¥82.9	Min.: 1 Mult.: 1
Power to the Board 2 x 4 PBT-A Plug Hsg 1-1971776-4 TE Connectivity / AMP 1: ¥152.8 1,193In Stock	Mfr. Part # 1-1971776-4 Mouser Part # 571-1-1971776-4	TE Connectivity / AMP	Power to the Board 2 x 4 PBT-A Plug Hsg Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	1,193In Stock	¥152.8 ¥132.4 ¥120.3 ¥110 View ¥104.3 ¥99.3 ¥89.9	Min.: 1 Mult.: 1
Power to the Board 2x5 pulg housing Key A nat 1-1971776-5 TE Connectivity 1: ¥174.4 1,021In Stock	Mfr. Part # 1-1971776-5 Mouser Part # 571-1-1971776-5	TE Connectivity	Power to the Board 2x5 pulg housing Key A nat Learn More about TE Connectivity te ptl connectors	Datasheet	1,021In Stock	¥174.4 ¥147.2 ¥141.4 ¥115.3 View ¥109.1 ¥97.3 ¥91.5 ¥87 ¥86.4	Min.: 1 Mult.: 1
Power to the Board 2x6 plug housing Key A nat 1-1971776-6 TE Connectivity 1: ¥137.9 1,867In Stock	Mfr. Part # 1-1971776-6 Mouser Part # 571-1-1971776-6	TE Connectivity	Power to the Board 2x6 plug housing Key A nat Learn More about TE Connectivity te ptl connectors	Datasheet	1,867In Stock	¥137.9 ¥121.8 ¥118.3 ¥117.1 View ¥116.9 ¥111.6 ¥101.7 ¥90.2 ¥84.4	Min.: 1 Mult.: 1
Headers & Wire Housings 3 x 4 PBT-A Plug Hsg 1-1971876-4 TE Connectivity / AMP 1: ¥172.7 386In Stock 3,000Expected 12/14/2026	Mfr. Part # 1-1971876-4 Mouser Part # 571-1-1971876-4	TE Connectivity / AMP	Headers & Wire Housings 3 x 4 PBT-A Plug Hsg Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	386In Stock 3,000Expected 12/14/2026	¥172.7 ¥146.2 ¥130.6 ¥128.9 View ¥116.1 ¥107.8 ¥99.7 ¥95.3	Min.: 1 Mult.: 1
Headers & Wire Housings 3 x 5 PBT-A Plug Hsg 1-1971876-7 TE Connectivity / AMP 1: ¥199.3 561In Stock	Mfr. Part # 1-1971876-7 Mouser Part # 571-1-1971876-7	TE Connectivity / AMP	Headers & Wire Housings 3 x 5 PBT-A Plug Hsg Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	561In Stock	¥199.3 ¥171.1 ¥144.8 ¥138.2 View ¥128.2 ¥111.5 ¥105.8 ¥102.2 ¥100.2	Min.: 1 Mult.: 1
Automotive Connectors 2 X 3 150C BLK TPA-Locking Plate 1971778-3 TE Connectivity / AMP 1: ¥54.8 8,821In Stock	Mfr. Part # 1971778-3 Mouser Part # 571-1971778-3	TE Connectivity / AMP	Automotive Connectors 2 X 3 150C BLK TPA-Locking Plate Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	8,821In Stock	¥54.8 ¥46.2 ¥41.2 ¥39.2 View ¥35 ¥30.1 ¥28.2 ¥27.9 ¥27.2	Min.: 1 Mult.: 1
Automotive Connectors 2 x 6 locking plate black 1971778-6 TE Connectivity 1: ¥64.8 518In Stock	Mfr. Part # 1971778-6 Mouser Part # 571-1971778-6	TE Connectivity	Automotive Connectors 2 x 6 locking plate black Learn More about TE Connectivity te ptl connectors	Datasheet	518In Stock	¥64.8 ¥55.1 ¥49.3 ¥47 View ¥40.5 ¥37 ¥36.5 ¥36	Min.: 1 Mult.: 1
Headers & Wire Housings 14 AWG Brass Pin Con Term Reel/4000 1971782-1 TE Connectivity / AMP 4,000: ¥8.8 28,000In Stock	Mfr. Part # 1971782-1 Mouser Part # 571-1971782-1	TE Connectivity / AMP	Headers & Wire Housings 14 AWG Brass Pin Con Term Reel/4000 Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	28,000In Stock	Reel ¥8.8 ¥8.5 ¥8.1 ¥7.6 ¥6.8	Min.: 4,000 Mult.: 4,000 : 4,000
Heavy Duty Power Connectors PTL MFBL RECEPTACLE CONTACT, 16-19 AWG 2232723-1 TE Connectivity / AMP 3,700: ¥11.3 14,800In Stock	Mfr. Part # 2232723-1 Mouser Part # 571-2232723-1	TE Connectivity / AMP	Heavy Duty Power Connectors PTL MFBL RECEPTACLE CONTACT, 16-19 AWG Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	14,800In Stock	Reel ¥11.3 ¥11.1 ¥10.5 ¥10 ¥9.3 ¥9	Min.: 3,700 Mult.: 3,700 : 3,700
Headers & Wire Housings POWER DBL LOCK CAP HSG P/M 2P GWT 5-177906-1 TE Connectivity 1: ¥76.4 1,272In Stock	Mfr. Part # 5-177906-1 Mouser Part # 571-5-177906-1	TE Connectivity	Headers & Wire Housings POWER DBL LOCK CAP HSG P/M 2P GWT Learn More about TE Connectivity te ptl connectors	Datasheet	1,272In Stock	¥76.4 ¥70.1 ¥66.4 ¥62.6 View ¥56.8 ¥48.7 ¥41.9 ¥40.9 ¥40.4	Min.: 1 Mult.: 1
Power to the Board 2x5 cap housing dgr panel mount Key A 5-2232264-5 TE Connectivity 1: ¥209.3 78In Stock	Mfr. Part # 5-2232264-5 Mouser Part # 571-5-2232264-5	TE Connectivity	Power to the Board 2x5 cap housing dgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	78In Stock	¥209.3 ¥177.7 ¥149 ¥143 View ¥130.4 ¥113.9 ¥105.6 ¥103.5 ¥101.3	Min.: 1 Mult.: 1

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Power Triple Lock Connector System

Types of Connectors

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