Test Plugs & Test Jacks – Mouser United Kingdom

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CT4397 Test Plugs & Test Jacks

Cal Test Electronics CT4397 Test Plugs and Test Jacks are 4mm sheathed (safety) jack panel mounts. These devices are designed to accept sheathed or shrouded banana plugs. The CT4397 series complies with international safety standard IEC 61010, which supports operations up to 1000V CAT III / 600V CAT IV environments. These test plugs and test jacks feature UL-recognized components for enhanced safety assurance and eight terminal configurations for a wide range of setups. The CT4397 devices are available in ten colors for easy identification in complex setups. These test plugs and jacks are compact in design for efficient panel assembly. The CT4397 test plugs and test jacks are RoHS 2+ compliant with environmental and safety standards.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Equipment Type	Type	Color	Current Rating	Contact Plating	Product
Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Blue CT4397-02-6 Cal Test 1: £2.10 572In Stock 500Expected 09/11/2026	Mfr. Part No. CT4397-02-6 Mouser Part No 510-CT4397-02-6	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Blue	Datasheet	572In Stock 500Expected 09/11/2026	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Blue	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Red CT4397-08-2 Cal Test 1: £2.15 1,990In Stock 8,762On Order	Mfr. Part No. CT4397-08-2 Mouser Part No 510-CT4397-08-2	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Red Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	1,990In Stock 8,762On Order On Order Ship Dates Mfr. No: CT4397-08-2 Stock: 1,990 Can Dispatch Immediately On Order: 631 Pending 181 Expected 17/11/2026 7,950 Expected 12/01/2027 Factory Lead Time: 12 Weeks	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Red	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, M3 Thd Socket, Panel, UL, Black CT4397-07-0 Cal Test 1: £1.69 1,115In Stock	Mfr. Part No. CT4397-07-0 Mouser Part No 510-CT4397-07-0	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, M3 Thd Socket, Panel, UL, Black Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	1,115In Stock	£1.69	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Black	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Green CT4397-02-5 Cal Test 1: £2.15 885In Stock	Mfr. Part No. CT4397-02-5 Mouser Part No 510-CT4397-02-5	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Green	Datasheet	885In Stock	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Green	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Violet CT4397-02-7 Cal Test 1: £2.10 743In Stock	Mfr. Part No. CT4397-02-7 Mouser Part No 510-CT4397-02-7	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Violet	Datasheet	743In Stock	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Violet	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Black CT4397-08-0 Cal Test 1: £2.15 1,905In Stock	Mfr. Part No. CT4397-08-0 Mouser Part No 510-CT4397-08-0	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Black Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	1,905In Stock	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Black	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, M4 Stud , Panel, UL, White CT4397-01-9 Cal Test 1: £2.10 99In Stock	Mfr. Part No. CT4397-01-9 Mouser Part No 510-CT4397-01-9	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, M4 Stud , Panel, UL, White	Datasheet	99In Stock	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	White	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Grey CT4397-08-8 Cal Test 1: £2.10 64In Stock	Mfr. Part No. CT4397-08-8 Mouser Part No 510-CT4397-08-8	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Grey	Datasheet	64In Stock	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Gray	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Brown CT4397-02-1 Cal Test 1: £2.15 73In Stock 200Expected 08/12/2026	Mfr. Part No. CT4397-02-1 Mouser Part No 510-CT4397-02-1	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Brown	Datasheet	73In Stock 200Expected 08/12/2026	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Brown	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, White CT4397-02-9 Cal Test 1: £2.15 311In Stock	Mfr. Part No. CT4397-02-9 Mouser Part No 510-CT4397-02-9	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, White	Datasheet	311In Stock	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	White	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, M3 Thd Socket, Panel, UL, Red CT4397-07-2 Cal Test 1: £1.69 144In Stock	Mfr. Part No. CT4397-07-2 Mouser Part No 510-CT4397-07-2	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, M3 Thd Socket, Panel, UL, Red Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	144In Stock	£1.69	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Red	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, M3 Thd Socket, Panel, UL, Blue CT4397-07-6 Cal Test 1: £1.65 145In Stock	Mfr. Part No. CT4397-07-6 Mouser Part No 510-CT4397-07-6	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, M3 Thd Socket, Panel, UL, Blue	Datasheet	145In Stock	£1.65	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Blue	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Green CT4397-08-5 Cal Test 1: £2.10 214In Stock	Mfr. Part No. CT4397-08-5 Mouser Part No 510-CT4397-08-5	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Green	Datasheet	214In Stock	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Green	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Orange CT4397-02-3 Cal Test 1: £2.10 307In Stock	Mfr. Part No. CT4397-02-3 Mouser Part No 510-CT4397-02-3	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Orange	Datasheet	307In Stock	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Orange	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Slot, Panel, UL, Red CT4397-04-2 Cal Test 1: £1.88 197In Stock 3,250On Order	Mfr. Part No. CT4397-04-2 Mouser Part No 510-CT4397-04-2	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Slot, Panel, UL, Red Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	197In Stock 3,250On Order On Order Ship Dates Mfr. No: CT4397-04-2 Stock: 197 Can Dispatch Immediately On Order: 500 Expected 09/11/2026 300 Expected 17/11/2026 300 Expected 08/12/2026 2,150 Expected 26/01/2027 Factory Lead Time: 12 Weeks	£1.88	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Red	25 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, M4 Stud, Panel, UL, Green CT4397-01-5 Cal Test 1: £2.15 111In Stock	Mfr. Part No. CT4397-01-5 Mouser Part No 510-CT4397-01-5	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, M4 Stud, Panel, UL, Green	Datasheet	111In Stock	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Green	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Hole, Panel, UL, Black CT4397-03-0 Cal Test 1: £1.65 627In Stock	Mfr. Part No. CT4397-03-0 Mouser Part No 510-CT4397-03-0	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Hole, Panel, UL, Black Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	627In Stock	£1.65	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Black	25 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 1.9x12mm Short Pin, Panel, UL, Black CT4397-05-0 Cal Test 1: £1.69 420In Stock	Mfr. Part No. CT4397-05-0 Mouser Part No 510-CT4397-05-0	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 1.9x12mm Short Pin, Panel, UL, Black Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	420In Stock	£1.69	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Black	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 1.9x12mm Short Pin, Panel, UL, Red CT4397-05-2 Cal Test 1: £1.69 319In Stock	Mfr. Part No. CT4397-05-2 Mouser Part No 510-CT4397-05-2	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 1.9x12mm Short Pin, Panel, UL, Red Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	319In Stock	£1.69	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Red	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Hole, Panel, UL, Green CT4397-03-5 Cal Test 1: £1.65 107In Stock	Mfr. Part No. CT4397-03-5 Mouser Part No 510-CT4397-03-5	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Hole, Panel, UL, Green	Datasheet	107In Stock	£1.65	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Green	25 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Blue CT4397-08-6 Cal Test 1: £2.10 235In Stock	Mfr. Part No. CT4397-08-6 Mouser Part No 510-CT4397-08-6	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Blue	Datasheet	235In Stock	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Blue	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, M4 Stud, Panel, UL, Yellow CT4397-01-4 Cal Test 1: £2.15 31In Stock 150Expected 17/11/2026	Mfr. Part No. CT4397-01-4 Mouser Part No 510-CT4397-01-4	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, M4 Stud, Panel, UL, Yellow	Datasheet	31In Stock 150Expected 17/11/2026	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Yellow	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Grey CT4397-02-8 Cal Test 1: £2.15 17In Stock 50Expected 08/12/2026	Mfr. Part No. CT4397-02-8 Mouser Part No 510-CT4397-02-8	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 6.4mm Quick-Connect, Panel, UL, Grey	Datasheet	17In Stock 50Expected 08/12/2026	£2.15	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Gray	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Brown CT4397-08-1 Cal Test 1: £2.10 30In Stock	Mfr. Part No. CT4397-08-1 Mouser Part No 510-CT4397-08-1	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 4.8mm Quick-Connect, Panel, UL, Brown	Datasheet	30In Stock	£2.10	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Brown	36 A	Nickel	Test Jacks
Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Slot, Panel, UL, Black CT4397-04-0 Cal Test 1: £1.92 46In Stock 950On Order	Mfr. Part No. CT4397-04-0 Mouser Part No 510-CT4397-04-0	Cal Test	Test Plugs & Test Jacks 4mm Sheathed Jack, 2mm (.080") Solder Slot, Panel, UL, Black Learn More about Cal Test ct4397 test plugs test jacks	Datasheet	46In Stock 950On Order On Order Ship Dates Mfr. No: CT4397-04-0 Stock: 46 Can Dispatch Immediately On Order: 250 Expected 10/11/2026 700 Expected 17/11/2026 Factory Lead Time: 12 Weeks	£1.92	Min.: 1 Mult.: 1	Test Jack	4 mm Sheathed Jack	Black	25 A	Nickel	Test Jacks

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