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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 (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
Headers & Wire Housings 22 Awg Tab contact 1971786-2 TE Connectivity / AMP 4 400: 0.054 CHF 57 200In Stock	Mfr. Part No. 1971786-2 Mouser Part No 571-1971786-2	TE Connectivity / AMP	Headers & Wire Housings 22 Awg Tab contact Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	57 200In Stock	Reel 0.054 CHF 0.051 CHF	Min.: 4 400 Mult.: 4 400 : 4 400
Headers & Wire Housings 14 AWG PhosBr Rcpt Con Term Reel/4000 1971781-1 TE Connectivity / AMP 4 000: 0.052 CHF 52 000In Stock	Mfr. Part No. 1971781-1 Mouser Part No 571-1971781-1	TE Connectivity / AMP	Headers & Wire Housings 14 AWG PhosBr Rcpt Con Term Reel/4000 Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	52 000In Stock	Reel 0.052 CHF 0.051 CHF 0.049 CHF 0.046 CHF 0.041 CHF	Min.: 4 000 Mult.: 4 000 : 4 000
Headers & Wire Housings 1x5 plug housing lgr Key A 5-1971773-7 TE Connectivity 1: 0.563 CHF 30 079In Stock	Mfr. Part No. 5-1971773-7 Mouser Part No 571-5-1971773-7	TE Connectivity	Headers & Wire Housings 1x5 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	30 079In Stock	0.563 CHF 0.481 CHF 0.426 CHF 0.409 CHF View 0.365 CHF 0.296 CHF 0.288 CHF 0.284 CHF 0.282 CHF	Min.: 1 Mult.: 1
Power to the Board 1x3 plug housing dgr Key A 5-2232265-3 TE Connectivity 1: 0.555 CHF 16 969In Stock	Mfr. Part No. 5-2232265-3 Mouser Part No 571-5-2232265-3	TE Connectivity	Power to the Board 1x3 plug housing dgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	16 969In Stock	0.555 CHF 0.491 CHF 0.456 CHF 0.419 CHF View 0.389 CHF 0.354 CHF 0.335 CHF 0.325 CHF 0.318 CHF	Min.: 1 Mult.: 1
Power to the Board 1x4 plug housing dgr Key A 5-2232265-4 TE Connectivity 1: 0.644 CHF 10 064In Stock	Mfr. Part No. 5-2232265-4 Mouser Part No 571-5-2232265-4	TE Connectivity	Power to the Board 1x4 plug housing dgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	10 064In Stock	0.644 CHF 0.547 CHF 0.488 CHF 0.443 CHF View 0.394 CHF 0.362 CHF 0.338 CHF 0.337 CHF	Min.: 1 Mult.: 1
Power to the Board 1x4 cap housing lgr panel mount Key A 5-1971772-4 TE Connectivity 1: 0.652 CHF 9 897In Stock	Mfr. Part No. 5-1971772-4 Mouser Part No 571-5-1971772-4	TE Connectivity	Power to the Board 1x4 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	9 897In Stock	0.652 CHF 0.593 CHF 0.563 CHF 0.54 CHF View 0.49 CHF 0.476 CHF 0.421 CHF 0.376 CHF 0.357 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1x4 plug housing lgr Key A 5-1971773-4 TE Connectivity 1: 0.532 CHF 28 068In Stock	Mfr. Part No. 5-1971773-4 Mouser Part No 571-5-1971773-4	TE Connectivity	Headers & Wire Housings 1x4 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	28 068In Stock	0.532 CHF 0.466 CHF 0.42 CHF 0.40 CHF View 0.367 CHF 0.33 CHF 0.306 CHF 0.298 CHF 0.297 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1x4 cap housing dgr panel mount Key A 5-2232263-4 TE Connectivity 1: 0.845 CHF 11 519In Stock	Mfr. Part No. 5-2232263-4 Mouser Part No 571-5-2232263-4	TE Connectivity	Headers & Wire Housings 1x4 cap housing dgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	11 519In Stock	0.845 CHF 0.716 CHF 0.639 CHF 0.579 CHF View 0.551 CHF 0.535 CHF 0.517 CHF 0.483 CHF 0.475 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1 X 5 PCB Header PC Board Mount 1-1969688-5 TE Connectivity / AMP 1: 1.68 CHF 1 529In Stock	Mfr. Part No. 1-1969688-5 Mouser Part No 571-1-1969688-5	TE Connectivity / AMP	Headers & Wire Housings 1 X 5 PCB Header PC Board Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	1 529In Stock	1.68 CHF 1.53 CHF 1.27 CHF 1.12 CHF View 1.04 CHF 1.01 CHF 0.973 CHF	Min.: 1 Mult.: 1
Power to the Board 2x3 plug dgr housing Key A 5-2232266-3 TE Connectivity 1: 0.964 CHF 7 863In Stock	Mfr. Part No. 5-2232266-3 Mouser Part No 571-5-2232266-3	TE Connectivity	Power to the Board 2x3 plug dgr housing Key A Learn More about TE Connectivity te ptl connectors	Datasheet	7 863In Stock	0.964 CHF 0.821 CHF 0.598 CHF 0.581 CHF View 0.548 CHF 0.526 CHF 0.513 CHF 0.472 CHF	Min.: 1 Mult.: 1
Power to the Board 1x5 cap housing lgr panel mount Key A 5-1971772-7 TE Connectivity 1: 0.684 CHF 16 326In Stock	Mfr. Part No. 5-1971772-7 Mouser Part No 571-5-1971772-7	TE Connectivity	Power to the Board 1x5 cap housing lgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	16 326In Stock	0.684 CHF 0.583 CHF 0.52 CHF 0.481 CHF View 0.459 CHF 0.436 CHF 0.394 CHF 0.348 CHF	Min.: 1 Mult.: 1
Power to the Board 2x3 cap housing dgr panel mount Key A 5-2232264-3 TE Connectivity 1: 0.877 CHF 11 133In Stock	Mfr. Part No. 5-2232264-3 Mouser Part No 571-5-2232264-3	TE Connectivity	Power to the Board 2x3 cap housing dgr panel mount Key A Learn More about TE Connectivity te ptl connectors	Datasheet	11 133In Stock	0.877 CHF 0.745 CHF 0.697 CHF 0.655 CHF View 0.618 CHF 0.568 CHF 0.519 CHF 0.463 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1 X 4 PCB Header PC Board Mount 1-1969688-4 TE Connectivity / AMP 1: 1.79 CHF 2 069In Stock	Mfr. Part No. 1-1969688-4 Mouser Part No 571-1-1969688-4	TE Connectivity / AMP	Headers & Wire Housings 1 X 4 PCB Header PC Board Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	2 069In Stock	1.79 CHF 1.68 CHF 1.45 CHF 1.35 CHF View 1.30 CHF 1.20 CHF 1.14 CHF 1.09 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1x3 plug housing lgr Key A 5-1971773-3 TE Connectivity 1: 0.595 CHF 9 612In Stock	Mfr. Part No. 5-1971773-3 Mouser Part No 571-5-1971773-3	TE Connectivity	Headers & Wire Housings 1x3 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	9 612In Stock	0.595 CHF 0.526 CHF 0.473 CHF 0.45 CHF View 0.351 CHF 0.323 CHF 0.305 CHF 0.30 CHF 0.294 CHF	Min.: 1 Mult.: 1
Power to the Board 3 x 5 PBT-A Cap Hsg Panel Mount 1-1971875-7 TE Connectivity / AMP 1: 1.17 CHF 3 899In Stock	Mfr. Part No. 1-1971875-7 Mouser Part No 571-1-1971875-7	TE Connectivity / AMP	Power to the Board 3 x 5 PBT-A Cap Hsg Panel Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	3 899In Stock	1.17 CHF 1.00 CHF 0.861 CHF 0.813 CHF View 0.776 CHF 0.746 CHF 0.709 CHF 0.67 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 16-20 AWG Brass Pin Con Term CutStp/100 1971784-1 (Cut Strip) TE Connectivity / AMP 100: 0.058 CHF 30 200In Stock	Mfr. Part No. 1971784-1 (Cut Strip) Mouser Part No 571-1971784-1-CT	TE Connectivity / AMP	Headers & Wire Housings 16-20 AWG Brass Pin Con Term CutStp/100 Learn More about TE Connectivity / AMP te connectivity harsh environments	Datasheet	30 200In Stock	0.058 CHF	Min.: 100 Mult.: 100
Headers & Wire Housings 22 AWG Brass Pin Contact Terminal 1971786-1 TE Connectivity / AMP 4 400: 0.038 CHF 30 800In Stock	Mfr. Part No. 1971786-1 Mouser Part No 571-1971786-1	TE Connectivity / AMP	Headers & Wire Housings 22 AWG Brass Pin Contact Terminal Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	30 800In Stock	Reel 0.038 CHF 0.036 CHF 0.033 CHF	Min.: 4 400 Mult.: 4 400 : 4 400
Headers & Wire Housings 2X18 Awg Receptacle contact 1971787-2 TE Connectivity / AMP 2 200: 0.079 CHF 11 000In Stock	Mfr. Part No. 1971787-2 Mouser Part No 571-1971787-2	TE Connectivity / AMP	Headers & Wire Housings 2X18 Awg Receptacle contact Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	11 000In Stock	Reel 0.079 CHF 0.074 CHF 0.072 CHF 0.068 CHF 0.061 CHF 0.058 CHF	Min.: 2 200 Mult.: 2 200 : 2 200
Headers & Wire Housings 3 x 3 PBT-A Plug Hsg 1-1971876-3 TE Connectivity / AMP 1: 0.572 CHF 2 968In Stock	Mfr. Part No. 1-1971876-3 Mouser Part No 571-1-1971876-3	TE Connectivity / AMP	Headers & Wire Housings 3 x 3 PBT-A Plug Hsg Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	2 968In Stock	0.572 CHF 0.512 CHF 0.494 CHF 0.475 CHF View 0.426 CHF 0.371 CHF 0.33 CHF 0.323 CHF	Min.: 1 Mult.: 1
Power to the Board 1 x 5 PBT-A Cap Hsg Panel Mount 1-1971772-7 TE Connectivity / AMP 1: 0.434 CHF 19 688In Stock	Mfr. Part No. 1-1971772-7 Mouser Part No 571-1-1971772-7	TE Connectivity / AMP	Power to the Board 1 x 5 PBT-A Cap Hsg Panel Mount Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	19 688In Stock	0.434 CHF 0.39 CHF 0.365 CHF 0.348 CHF View 0.311 CHF 0.276 CHF	Min.: 1 Mult.: 1
Automotive Connectors 2 X 5 150C BLK TPA-Locking Plate 1971778-5 TE Connectivity / AMP 1: 0.298 CHF 4 405In Stock	Mfr. Part No. 1971778-5 Mouser Part No 571-1971778-5	TE Connectivity / AMP	Automotive Connectors 2 X 5 150C BLK TPA-Locking Plate Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	4 405In Stock	0.298 CHF 0.255 CHF 0.227 CHF 0.216 CHF View 0.177 CHF 0.163 CHF 0.159 CHF 0.156 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1x2 plug housing lgr Key A 9-1971773-2 TE Connectivity 1: 0.66 CHF 41 749In Stock	Mfr. Part No. 9-1971773-2 Mouser Part No 571-9-1971773-2	TE Connectivity	Headers & Wire Housings 1x2 plug housing lgr Key A Learn More about TE Connectivity te ptl connectors	Datasheet	41 749In Stock	0.66 CHF 0.56 CHF 0.50 CHF 0.475 CHF View 0.425 CHF 0.387 CHF 0.362 CHF 0.352 CHF 0.338 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1 X 2 150C BLK TPA-Locking Plate 1971777-2 TE Connectivity / AMP 1: 0.257 CHF 31 050In Stock 49 000Expected 02/11/2026	Mfr. Part No. 1971777-2 Mouser Part No 571-1971777-2	TE Connectivity / AMP	Headers & Wire Housings 1 X 2 150C BLK TPA-Locking Plate Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	31 050In Stock 49 000Expected 02/11/2026	0.257 CHF 0.215 CHF 0.193 CHF 0.178 CHF View 0.154 CHF 0.13 CHF 0.124 CHF 0.121 CHF 0.108 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 1 X 3 150C BLK TPA-Locking Plate 1971777-3 TE Connectivity / AMP 1: 0.346 CHF 12 042In Stock	Mfr. Part No. 1971777-3 Mouser Part No 571-1971777-3	TE Connectivity / AMP	Headers & Wire Housings 1 X 3 150C BLK TPA-Locking Plate Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	12 042In Stock	0.346 CHF 0.285 CHF 0.259 CHF 0.217 CHF View 0.199 CHF 0.182 CHF 0.173 CHF 0.168 CHF 0.159 CHF	Min.: 1 Mult.: 1
Headers & Wire Housings 12 Awg Receptacle contact 1971779-2 TE Connectivity / AMP 1: 0.137 CHF 73 315In Stock	Mfr. Part No. 1971779-2 Mouser Part No 571-1971779-2	TE Connectivity / AMP	Headers & Wire Housings 12 Awg Receptacle contact Learn More about TE Connectivity / AMP te ptl connectors	Datasheet	73 315In Stock	0.137 CHF 0.118 CHF 0.105 CHF 0.10 CHF View 0.089 CHF 0.083 CHF 0.078 CHF 0.07 CHF	Min.: 1 Mult.: 1

Power Triple Lock Connector System

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Power Triple Lock Connector System

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