Keylock Switches – Mouser United Kingdom

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LK Keylock Switches

APEM LK Keylock Switches provide a high level of security with a four-tumbler key barrel. LK series 19mm panel mount key switches serve a variety of commercial applications that require security and restricted access. LK Keylock Switches provide multiple key pull position options and 45° or 90° indexing. This APEM series features a 4A (at 125V_AC or 28V_DC) or 2A (at 250V_AC) contact rating and -30°C to +85°C operating temperature range.

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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.	Contact Form	Switch Function	Number of Positions	Current Rating	Voltage Rating AC	Voltage Rating DC	Indexing	Illuminated	Housing Material	Termination Style	Packaging
Keylock Switches 4A 125V SPDT 3POS, Black LK6EGB126M3 Apem 1: £19.24 80In Stock	Mfr. Part No. LK6EGB126M3 Mouser Part No 642-LK6EGB126M3	Apem	Keylock Switches 4A 125V SPDT 3POS, Black Learn More about Apem lk keylock	Datasheet	80In Stock	£19.24 £16.95 £16.19 £15.34 View £14.75 £14.59 Quote	Min.: 1 Mult.: 1	SPST	ON - ON - ON	3 Position	2 A, 4 A	125 VAC, 250 VAC	28 VDC	45 deg	Non-Illuminated	Zinc Alloy	Quick Connect	Bulk
Keylock Switches KEYLOCK SWITCH LK 19MM LK57NB126N3 Apem 1: £19.01 116In Stock	Mfr. Part No. LK57NB126N3 Mouser Part No 642-LK57NB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	116In Stock	£19.01 £16.47 £15.73 £13.98	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK5ANB126N3 Apem 1: £17.22 118In Stock	Mfr. Part No. LK5ANB126N3 Mouser Part No 642-LK5ANB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	118In Stock	£17.22 £15.94 £15.26 £14.63 View £14.24 £13.61	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK5JNB126N3 Apem 1: £20.74 16In Stock	Mfr. Part No. LK5JNB126N3 Mouser Part No 642-LK5JNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	16In Stock	£20.74 £15.50 £15.44 Quote Quote	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK6PNB126N3 Apem 1: £16.46 13In Stock	Mfr. Part No. LK6PNB126N3 Mouser Part No 642-LK6PNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	13In Stock	£16.46 £16.37 £12.21	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK6GNB126N3 Apem 1: £16.65 51In Stock	Mfr. Part No. LK6GNB126N3 Mouser Part No 642-LK6GNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	51In Stock	£16.65 £14.42 £13.78 £12.36 View £12.35 Quote	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches DP 90 DEG MAINT KEY PULL POS 2 LK6QNB126N3 Apem 1: £17.08 72In Stock	Mfr. Part No. LK6QNB126N3 Mouser Part No 642-LK6QNB126N3	Apem	Keylock Switches DP 90 DEG MAINT KEY PULL POS 2 Learn More about Apem lk keylock	Datasheet	72In Stock	£17.08 £14.80 £14.13 £12.68	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK6FNB126N3 Apem 1: £17.39 83In Stock	Mfr. Part No. LK6FNB126N3 Mouser Part No 642-LK6FNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	83In Stock	£17.39 £15.07 £14.39 £12.96 View £12.47 £11.93	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK5AGB126M3 Apem 1: £22.62 93In Stock	Mfr. Part No. LK5AGB126M3 Mouser Part No 642-LK5AGB126M3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	93In Stock	£22.62 £19.86 £18.73 £17.91 View £17.13 £16.13	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches 2-4A 125-250AC 28VDC 19mm 45Deg Chrm Mom LK5ENB126N3 Apem 1: £18.98 166In Stock	Mfr. Part No. LK5ENB126N3 Mouser Part No 642-LK5ENB126N3	Apem	Keylock Switches 2-4A 125-250AC 28VDC 19mm 45Deg Chrm Mom Learn More about Apem lk keylock	Datasheet	166In Stock	£18.98 £16.39 £15.42 £14.70 View £14.06 £13.71	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches 4A 125V DPDT 2POS, Black LK68GB126M3 Apem 1: £19.97 105In Stock 151Expected 04/11/2026	Mfr. Part No. LK68GB126M3 Mouser Part No 642-LK68GB126M3	Apem	Keylock Switches 4A 125V DPDT 2POS, Black Learn More about Apem lk keylock	Datasheet	105In Stock 151Expected 04/11/2026	£19.97 £17.40 £16.36 £15.78 View £15.10 £14.24 £13.61	Min.: 1 Mult.: 1	DPST	ON - ON	2 Position	2 A, 4 A	125 VAC, 250 VAC	28 VDC	90 deg	Non-Illuminated	Zinc Alloy	Quick Connect	Bulk
Keylock Switches KEYLOCK SWITCH LK68NB126N3 Apem 1: £14.77 412In Stock	Mfr. Part No. LK68NB126N3 Mouser Part No 642-LK68NB126N3	Apem	Keylock Switches KEYLOCK SWITCH Learn More about Apem lk keylock	Datasheet	412In Stock	£14.77 £12.75 £12.02 £11.50 View £10.99 £10.70	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK69NB126N3 Apem 1: £25.28 179In Stock	Mfr. Part No. LK69NB126N3 Mouser Part No 642-LK69NB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	179In Stock	£25.28 £20.67 £19.02 £17.82 View £15.30 £13.36	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches 4A 125V DPDT 3POS, Black LK6BGB126M3 Apem 1: £19.99 107In Stock	Mfr. Part No. LK6BGB126M3 Mouser Part No 642-LK6BGB126M3	Apem	Keylock Switches 4A 125V DPDT 3POS, Black Learn More about Apem lk keylock	Datasheet	107In Stock	£19.99 £17.61 £16.58 £15.64 £15.31	Min.: 1 Mult.: 1	DPST	ON - ON - ON	3 Position	2 A, 4 A	125 VAC, 250 VAC	28 VDC	45 deg	Non-Illuminated	Zinc Alloy	Quick Connect	Bulk
Keylock Switches KEYLOCK SWITCH LK 19MM LK6JNB126N3 Apem 1: £16.17 327In Stock	Mfr. Part No. LK6JNB126N3 Mouser Part No 642-LK6JNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	327In Stock	£16.17 £13.95 £13.15 £12.55 View £12.03 £11.57 £10.83	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK6NNB126N3 Apem 1: £16.35 146In Stock	Mfr. Part No. LK6NNB126N3 Mouser Part No 642-LK6NNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	146In Stock	£16.35 £14.13 £13.41 £12.76 View £12.25 £11.13 £10.59 Quote	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK69GB126M3 Apem 1: £19.76 29In Stock	Mfr. Part No. LK69GB126M3 Mouser Part No 642-LK69GB126M3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	29In Stock	£19.76 £17.40 £16.61 £14.19 View £14.16 £13.92	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK6BNB126N3 Apem 1: £16.38 22In Stock 150Expected 19/01/2027	Mfr. Part No. LK6BNB126N3 Mouser Part No 642-LK6BNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	22In Stock 150Expected 19/01/2027	£16.38 £14.35 £13.98 £13.48 £13.23	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK6DNB126N3 Apem 1: £13.46 42In Stock	Mfr. Part No. LK6DNB126N3 Mouser Part No 642-LK6DNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	42In Stock	£13.46 £12.76	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK6HNB126N3 Apem 1: £17.17 39In Stock 100Expected 25/11/2026	Mfr. Part No. LK6HNB126N3 Mouser Part No 642-LK6HNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	39In Stock 100Expected 25/11/2026	£17.17 £14.96 £14.14 £13.45 View £13.17 £12.47 £11.93	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches 4A 125V SPDT 2POS, Black LK6RGB126M3 Apem 1: £16.12 32In Stock 100Expected 11/01/2027	Mfr. Part No. LK6RGB126M3 Mouser Part No 642-LK6RGB126M3	Apem	Keylock Switches 4A 125V SPDT 2POS, Black Learn More about Apem lk keylock	Datasheet	32In Stock 100Expected 11/01/2027	£16.12 £14.46 £13.86 £13.54 £12.95	Min.: 1 Mult.: 1	SPST	ON - ON	2 Position	2 A, 4 A	125 VAC, 250 VAC	28 VDC	90 deg	Non-Illuminated	Zinc Alloy	Quick Connect	Bulk
Keylock Switches 4A 125V DP3T 2POS, Black LK6SGB126M3 Apem 1: £17.96 57In Stock	Mfr. Part No. LK6SGB126M3 Mouser Part No 642-LK6SGB126M3	Apem	Keylock Switches 4A 125V DP3T 2POS, Black Learn More about Apem lk keylock	Datasheet	57In Stock	£17.96 £16.23 £15.48 £14.83 View £14.76 £13.86 £13.47 Quote	Min.: 1 Mult.: 1	DPST	ON - ON	2 Position	2 A, 4 A	125 VAC, 250 VAC	28 VDC	90 deg	Non-Illuminated	Zinc Alloy	Quick Connect	Bulk
Keylock Switches KEYLOCK SWITCH LK 19MM LK6SNB126N3 Apem 1: £15.66 43In Stock 1,000Expected 10/02/2027	Mfr. Part No. LK6SNB126N3 Mouser Part No 642-LK6SNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	43In Stock 1,000Expected 10/02/2027	£15.66 £13.51 £12.74 £12.19 View £11.65 £10.98 £10.70	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK5FNB126N3 Apem 1: £22.68 14In Stock	Mfr. Part No. LK5FNB126N3 Mouser Part No 642-LK5FNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	14In Stock	£22.68 £20.30 £17.13 £16.38 View £15.66 £14.76 £14.11	Min.: 1 Mult.: 1								Non-Illuminated
Keylock Switches KEYLOCK SWITCH LK 19MM LK5BNB126N3 Apem 1: £18.43 401On Order	Mfr. Part No. LK5BNB126N3 Mouser Part No 642-LK5BNB126N3	Apem	Keylock Switches KEYLOCK SWITCH LK 19MM Learn More about Apem lk keylock	Datasheet	401On Order On Order Ship Dates Mfr. No: LK5BNB126N3 Stock: 0 On Order: 251 Expected 28/12/2026 150 Expected 06/01/2027 Factory Lead Time: 12 Weeks	£18.43 £16.56 £15.84 £15.19 View £14.31 £13.68	Min.: 1 Mult.: 1								Non-Illuminated

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LK Keylock Switches

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