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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Power to the Board 1x3 cap housing lgr free hanging Key A 5-1971772-3 TE Connectivity 1: $0.85 2,871In Stock 28,800Expected 2026/10/28	Mfr. Part No. 5-1971772-3 Mouser Part No 571-5-1971772-3	TE Connectivity	Power to the Board 1x3 cap housing lgr free hanging Key A Learn More about TE Connectivity te ptl connectors	Datasheet	2,871In Stock 28,800Expected 2026/10/28	$0.85 $0.725 $0.647 $0.586 View $0.558 $0.542 $0.506 $0.481 $0.463	Min.: 1 Mult.: 1
Power to the Board 2x5 cap housing dgr panel mount Key A 5-2232264-5 TE Connectivity 1: $1.26 78In Stock	Mfr. Part No. 5-2232264-5 Mouser Part No 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	$1.26 $1.07 $0.897 $0.861 View $0.785 $0.686 $0.636 $0.623 $0.611	Min.: 1 Mult.: 1
Power to the Board 2x6 plug dgr housing Key A 5-2232266-6 TE Connectivity / AMP 1: $1.23 720In Stock	Mfr. Part No. 5-2232266-6 Mouser Part No 571-5-2232266-6	TE Connectivity / AMP	Power to the Board 2x6 plug dgr housing Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	720In Stock	$1.23 $1.04 $0.997 $0.933 View $0.848 $0.776 $0.658 $0.626 $0.623	Min.: 1 Mult.: 1
Power to the Board 3x3 cap housing dgr panel mount Key A 5-2232356-3 TE Connectivity / AMP 1: $1.41 550In Stock	Mfr. Part No. 5-2232356-3 Mouser Part No 571-5-2232356-3	TE Connectivity / AMP	Power to the Board 3x3 cap housing dgr panel mount Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	550In Stock	$1.41 $1.19 $1.15 $0.969 View $0.883 $0.808 $0.74 $0.704 $0.68	Min.: 1 Mult.: 1
Power to the Board 3x5 cap housing dgr panel mount Key A 5-2232356-7 TE Connectivity / AMP 1: $1.59 670In Stock	Mfr. Part No. 5-2232356-7 Mouser Part No 571-5-2232356-7	TE Connectivity / AMP	Power to the Board 3x5 cap housing dgr panel mount Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	670In Stock	$1.59 $1.40 $1.33 $1.16 View $1.04 $1.03 $0.887	Min.: 1 Mult.: 1
Power to the Board 3 x 4 PBT-A Cap Hsg Panel Mount 1-1971875-4 TE Connectivity / AMP 1: $1.11 468In Stock	Mfr. Part No. 1-1971875-4 Mouser Part No 571-1-1971875-4	TE Connectivity / AMP	Power to the Board 3 x 4 PBT-A Cap Hsg Panel Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	468In Stock	$1.11 $0.978 $0.855 $0.792 View $0.754 $0.676 $0.633 $0.618	Min.: 1 Mult.: 1
Power to the Board 3x3 plug housing dgr Key A 5-2232357-3 TE Connectivity / AMP 1: $1.05 1,100In Stock	Mfr. Part No. 5-2232357-3 Mouser Part No 571-5-2232357-3	TE Connectivity / AMP	Power to the Board 3x3 plug housing dgr Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	1,100In Stock	$1.05 $0.894 $0.798 $0.761 View $0.713 $0.679 $0.634 $0.604 $0.594	Min.: 1 Mult.: 1
Headers & Wire Housings 16-20 AWG Brass Pin Con Term Reel/1000 1971784-1 (Mouser Reel) TE Connectivity / AMP 1,000: $0.069 1,000In Stock Factory Special Order	Mfr. Part No. 1971784-1 (Mouser Reel) Mouser Part No 571-1971784-1-MR Factory Special Order	TE Connectivity / AMP	Headers & Wire Housings 16-20 AWG Brass Pin Con Term Reel/1000 Learn More about TE Connectivity / AMP te connectivity harsh environments	Datasheet	1,000In Stock	Reel $0.069	Min.: 1,000 Mult.: 1,000 : 1,000
Power to the Board 3x5 cap housing lgr panel mount Key A 5-1971875-7 TE Connectivity 1: $1.72 1In Stock	Mfr. Part No. 5-1971875-7 Mouser Part No 571-5-1971875-7	TE Connectivity	Power to the Board 3x5 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	1In Stock	$1.72 $1.47 $1.29 $1.24 View $1.13 $1.02 $0.963 $0.961 $0.883	Min.: 1 Mult.: 1
Headers & Wire Housings 12 Awg Tab contact 1971780-2 TE Connectivity / AMP 1: $0.19 666In Stock 27,500Expected 2026/10/08	Mfr. Part No. 1971780-2 Mouser Part No 571-1971780-2	TE Connectivity / AMP	Headers & Wire Housings 12 Awg Tab contact Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	666In Stock 27,500Expected 2026/10/08	Cut Tape $0.19 $0.16 $0.144 $0.137 Reel $0.097 View $0.122 $0.112 $0.092 $0.083	Min.: 1 Mult.: 1 : 2,500
Headers & Wire Housings 2X20 Awg Tab contact 1971238-2 TE Connectivity / AMP 52,800: $0.086 96,800Factory Stock Available	Mfr. Part No. 1971238-2 Mouser Part No 571-1971238-2	TE Connectivity / AMP	Headers & Wire Housings 2X20 Awg Tab contact Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	96,800Factory Stock Available More Info Available	$0.086	Min.: 52,800 Mult.: 52,800
Power to the Board 2x4 cap housing dgr panel mount Key A 5-2232264-4 TE Connectivity / Raychem 1: $1.16 2,000Factory Stock Available	Mfr. Part No. 5-2232264-4 Mouser Part No 571-5-2232264-4	TE Connectivity / Raychem	Power to the Board 2x4 cap housing dgr panel mount Key A Learn More about TE Connectivity / Raychem te ptl connectors	Datasheet	2,000Factory Stock Available More Info Available	$1.16 $0.969 $0.843 $0.807 View $0.723 $0.679 $0.648 $0.607 $0.594	Min.: 1 Mult.: 1
Power to the Board 2x6 cap housing dgr panel mount Key A 5-2232264-6 TE Connectivity / Raychem 1: $1.33 9,100Factory Stock Available	Mfr. Part No. 5-2232264-6 Mouser Part No 571-5-2232264-6	TE Connectivity / Raychem	Power to the Board 2x6 cap housing dgr panel mount Key A Learn More about TE Connectivity / Raychem te ptl connectors	Datasheet	9,100Factory Stock Available More Info Available	$1.33 $1.14 $1.02 $0.964 View $0.904 $0.851 $0.813 $0.797	Min.: 1 Mult.: 1
Power to the Board 2x5 plug dgr housing Key A 5-2232266-5 TE Connectivity 1: $0.95 43,500Factory Stock Available	Mfr. Part No. 5-2232266-5 Mouser Part No 571-5-2232266-5	TE Connectivity	Power to the Board 2x5 plug dgr housing Key A Learn More about TE Connectivity te ptl connectors	Datasheet	43,500Factory Stock Available More Info Available	$0.95 $0.804 $0.77 $0.721 View $0.656 $0.622 $0.538 $0.504	Min.: 1 Mult.: 1
Power to the Board 3x4 cap housing dgr panel mount Key A 5-2232356-4 TE Connectivity 1: $1.60 5,400Factory Stock Available	Mfr. Part No. 5-2232356-4 Mouser Part No 571-5-2232356-4	TE Connectivity	Power to the Board 3x4 cap housing dgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	5,400Factory Stock Available More Info Available	$1.60 $1.38 $1.22 $1.17 View $1.07 $0.992 $0.909 $0.868 $0.84	Min.: 1 Mult.: 1
Power to the Board 3 x 3 PBT-A Cap Hsg Panel Mount 1-1971875-3 TE Connectivity / AMP 1: $0.961 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. 1-1971875-3 Mouser Part No 571-1-1971875-3	TE Connectivity / AMP	Power to the Board 3 x 3 PBT-A Cap Hsg Panel Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	Non-Stocked Lead-Time 16 Weeks	$0.961 $0.814 $0.744 $0.673 View $0.632 $0.568 $0.54 $0.529 $0.523	Min.: 1 Mult.: 1
Power to the Board 2x6 plug housing lgr Key A 5-1971776-6 TE Connectivity / AMP 8,400: $0.634 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 5-1971776-6 Mouser Part No 571-5-1971776-6	TE Connectivity / AMP	Power to the Board 2x6 plug housing lgr Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$0.634	Min.: 8,400 Mult.: 8,400
Power to the Board 3x3 cap housing lgr panel mount Key A 5-1971875-3 TE Connectivity 1: $1.12 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 5-1971875-3 Mouser Part No 571-5-1971875-3	TE Connectivity	Power to the Board 3x3 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	$1.12 $0.952 $0.85 $0.811 View $0.759 $0.701 $0.609 $0.58 $0.57	Min.: 1 Mult.: 1
Headers & Wire Housings 3x3 plug housing lgr Key A 5-1971876-3 TE Connectivity 1: $0.93 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 5-1971876-3 Mouser Part No 571-5-1971876-3	TE Connectivity	Headers & Wire Housings 3x3 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	$0.93 $0.789 $0.704 $0.67 View $0.627 $0.592 $0.547 $0.501 $0.49	Min.: 1 Mult.: 1
Headers & Wire Housings 1 X 3 PCB Header PC Board Mount 1-1969688-3 TE Connectivity / AMP 25,200: $1.03 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. 1-1969688-3 Mouser Part No 571-1-1969688-3	TE Connectivity / AMP	Headers & Wire Housings 1 X 3 PCB Header PC Board Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	Non-Stocked Lead-Time 16 Weeks	$1.03	Min.: 25,200 Mult.: 25,200
Power to the Board 1 x 5 PBT-A Plug Hsg 1-1971773-7 TE Connectivity / AMP 21,000: $0.336 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. 1-1971773-7 Mouser Part No 571-1-1971773-7	TE Connectivity / AMP	Power to the Board 1 x 5 PBT-A Plug Hsg Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	Non-Stocked Lead-Time 15 Weeks	$0.336	Min.: 21,000 Mult.: 21,000
Headers & Wire Housings 1x2 cap housing dgr panel mount Key A 5-2232263-2 TE Connectivity 1: $1.06 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. 5-2232263-2 Mouser Part No 571-5-2232263-2	TE Connectivity	Headers & Wire Housings 1x2 cap housing dgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	Non-Stocked Lead-Time 16 Weeks	$1.06 $0.897 $0.80 $0.726 View $0.702 $0.669 $0.651 $0.57 $0.564	Min.: 1 Mult.: 1
Headers & Wire Housings 1x3 cap housing dgr panel mount Key A 5-2232263-3 TE Connectivity / AMP 20,400: $0.531 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. 5-2232263-3 Mouser Part No 571-5-2232263-3	TE Connectivity / AMP	Headers & Wire Housings 1x3 cap housing dgr panel mount Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	Non-Stocked Lead-Time 16 Weeks	$0.531	Min.: 20,400 Mult.: 20,400
Headers & Wire Housings 1x5 cap housing dgr panel mount Key A 5-2232263-7 TE Connectivity / Raychem 20,700: $0.593 Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. 5-2232263-7 Mouser Part No 571-5-2232263-7	TE Connectivity / Raychem	Headers & Wire Housings 1x5 cap housing dgr panel mount Key A Learn More about TE Connectivity / Raychem te ptl connectors	Datasheet	Non-Stocked Lead-Time 20 Weeks	$0.593	Min.: 20,700 Mult.: 20,700
Power to the Board 1x2 plug housing dgr Key A 5-2232265-2 TE Connectivity / AMP 1: $0.89 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. 5-2232265-2 Mouser Part No 571-5-2232265-2	TE Connectivity / AMP	Power to the Board 1x2 plug housing dgr Key A Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	Non-Stocked Lead-Time 16 Weeks	$0.89 $0.754 $0.673 $0.641 View $0.535 $0.50 $0.47 $0.447 $0.44	Min.: 1 Mult.: 1

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