.hide-partial { max-height: none; } .show-more { display: none; }

51 Series Keylock Switches

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 121

Applied Filters:

Series = 51

Contact Form

Switch Function

Key Type

Number of Positions

Current Rating

Voltage Rating AC

Voltage Rating DC

Remove Key Position

Indexing

Illuminated

Housing Material

Mounting Style

Termination Style

IP Rating

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Contact Form	Switch Function	Key Type	Number of Positions	Current Rating	Voltage Rating AC	Indexing	Illuminated	Housing Material	Termination Style	IP Rating	Packaging
Keylock Switches KYLK RND MOM 3POS 51-378.AD EAO 1: 124,39 € 7In Stock Restricted Availability	Mfr. Part No. 51-378.AD Mouser Part No 123-51-378.AD	EAO	Keylock Switches KYLK RND MOM 3POS Learn More about EAO series 51 switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	7In Stock	124,39 € 107,27 € 102,15 € 96,66 € View 92,44 € Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches KYLK RND MNT 2POS 51-235.022D EAO 1: 81,66 € 61In Stock Restricted Availability	Mfr. Part No. 51-235.022D Mouser Part No 123-51-235.022D	EAO	Keylock Switches KYLK RND MNT 2POS Learn More about EAO series 51 switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	61In Stock	81,66 € 77,91 € 75,63 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability	DPST		Flat	2 Position	5 A	250 VAC	90 deg	Non-Illuminated	Diallyl Phthalate (DAP)	Solder Lug
Keylock Switches KYLK RND MNT 2POS 51-236.025D EAO 1: 92,34 € 29In Stock Restricted Availability	Mfr. Part No. 51-236.025D Mouser Part No 123-51-236.025D	EAO	Keylock Switches KYLK RND MNT 2POS Learn More about EAO series 51 switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	29In Stock	92,34 € 90,22 € 88,50 € 85,63 € View Quote	Min.: 1 Mult.: 1 Restricted Availability	DPST		Flat	2 Position	5 A	250 VAC	90 deg	Non-Illuminated	Diallyl Phthalate (DAP)	Solder Lug
Keylock Switches KYLK SQ MNT 2POS 51-255.022D EAO 1: 81,66 € 34In Stock Restricted Availability	Mfr. Part No. 51-255.022D Mouser Part No 123-51-255.022D	EAO	Keylock Switches KYLK SQ MNT 2POS Learn More about EAO series 51 switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	34In Stock	81,66 € 78,93 € 78,53 € 76,52 € View Quote	Min.: 1 Mult.: 1 Restricted Availability	DPST		Flat	2 Position	5 A	250 VAC	90 deg	Non-Illuminated	Diallyl Phthalate (DAP)	Solder Lug
Keylock Switches KYLK RND MNT 2POS 51-235.025D EAO 1: 74,84 € 37In Stock Restricted Availability 32Expected 12/18/2026	Mfr. Part No. 51-235.025D Mouser Part No 123-51-235.025D	EAO	Keylock Switches KYLK RND MNT 2POS Learn More about EAO series 51 switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	37In Stock 32Expected 12/18/2026	74,84 € 74,66 € 72,39 € 71,40 € View 69,45 € Quote	Min.: 1 Mult.: 1 Restricted Availability	DPST		Flat	2 Position	5 A	250 VAC	90 deg	Non-Illuminated	Diallyl Phthalate (DAP)	Solder Lug
Keylock Switches LENS REC CCVE TPT YLW 51-155.025D EAO 1: 86,30 € 6In Stock Restricted Availability	Mfr. Part No. 51-155.025D Mouser Part No 123-51-155.025D	EAO	Keylock Switches LENS REC CCVE TPT YLW Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	6In Stock	86,30 € 74,87 € 73,15 € 71,74 € View 69,52 € Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches IND RND BLK UNV LL 51-196.025D EAO 1: 90,00 € 4In Stock Restricted Availability	Mfr. Part No. 51-196.025D Mouser Part No 123-51-196.025D	EAO	Keylock Switches IND RND BLK UNV LL Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	4In Stock	90,00 € 89,96 € 88,83 € 88,82 € View Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches KYLK RND MNT 2POS 51-135.025D EAO 1: 85,62 € 2In Stock Restricted Availability	Mfr. Part No. 51-135.025D Mouser Part No 123-51-135.025D	EAO	Keylock Switches KYLK RND MNT 2POS Learn More about EAO series 51 switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	2In Stock	85,62 € 85,61 € 83,66 € 82,06 € View 79,41 € Quote	Min.: 1 Mult.: 1 Restricted Availability	DPST		Flat	2 Position	5 A	250 VAC	90 deg	Non-Illuminated	Diallyl Phthalate (DAP)	Solder Lug
Keylock Switches KYLK REC MNT 2POS 51-195.022D EAO 1: 81,66 € 10In Stock Restricted Availability	Mfr. Part No. 51-195.022D Mouser Part No 123-51-195.022D	EAO	Keylock Switches KYLK REC MNT 2POS Learn More about EAO series 51 switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10In Stock	81,66 € 81,65 € View Quote	Min.: 1 Mult.: 1 Restricted Availability	DPST		Flat	2 Position	5 A	250 VAC	90 deg	Non-Illuminated	Diallyl Phthalate (DAP)	Solder Lug
Keylock Switches FRNT MOUNT NUT FLT 51-256.025D EAO 1: 92,33 € 10In Stock Restricted Availability	Mfr. Part No. 51-256.025D Mouser Part No 123-51-256.025D	EAO	Keylock Switches FRNT MOUNT NUT FLT Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	10In Stock	92,33 € 92,03 €	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches Keylock switch 2 positions, 16mm cut-out, rectangular, black, IP65, Solder, 5A, 3NC + 3NO, Gold Contacts, 250 V AC, Rest-Maintained, with anti-twist ring and fixing nut 51-297.025D2 EAO 1: 135,56 € 6In Stock Restricted Availability	Mfr. Part No. 51-297.025D2 Mouser Part No 123-51-297.025D2	EAO	Keylock Switches Keylock switch 2 positions, 16mm cut-out, rectangular, black, IP65, Solder, 5A, 3NC + 3NO, Gold Contacts, 250 V AC, Rest-Maintained, with anti-twist ring and fixing nut Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	6In Stock	135,56 € 116,88 € 111,32 € 111,30 €	Min.: 1 Mult.: 1 Restricted Availability	3P3T	ON - OFF	Keylocks	2 Position	5 A	250 VAC	90 deg	Non-Illuminated	Plastic	Solder Terminal	IP65
Keylock Switches Keylock switch 3 positions maintained(a)-rest(a)-momentary SPE 2NC+2NO ST/PT 18x18 gold/silver 311 51-388.F22D EAO 1: 111,42 € 3In Stock Restricted Availability	Mfr. Part No. 51-388.F22D Mouser Part No 123-51-388.F22D	EAO	Keylock Switches Keylock switch 3 positions maintained(a)-rest(a)-momentary SPE 2NC+2NO ST/PT 18x18 gold/silver 311 Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	3In Stock	111,42 € 109,11 € 106,26 € 104,14 € View 104,13 € Quote	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches DIFFUSER OPAL FOR 51-414.036D EAO 1: 81,50 € 6In Stock Restricted Availability	Mfr. Part No. 51-414.036D Mouser Part No 123-51-414.036D	EAO	Keylock Switches DIFFUSER OPAL FOR Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	6In Stock	81,50 € 79,62 €	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches LENS REC CCVE ORNG 51-415.036D EAO 1: 82,72 € 4In Stock Restricted Availability	Mfr. Part No. 51-415.036D Mouser Part No 123-51-415.036D	EAO	Keylock Switches LENS REC CCVE ORNG Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	4In Stock	82,72 € 80,81 € 79,26 € 76,70 € View Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches LIGHTED PSHBUTN SQ MNT BLK SLGP SLDR 51-445.036D EAO 1: 82,72 € 1In Stock Restricted Availability	Mfr. Part No. 51-445.036D Mouser Part No 123-51-445.036D	EAO	Keylock Switches LIGHTED PSHBUTN SQ MNT BLK SLGP SLDR Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	82,72 € 82,71 € 81,26 € View Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches KYLK RND MNT 3POS EAO 51-382.022D 51-382.022D EAO 1: 114,77 € 1In Stock Restricted Availability	Mfr. Part No. 51-382.022D Mouser Part No 123-51-382.022D	EAO	Keylock Switches KYLK RND MNT 3POS Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	1In Stock	114,77 € 111,01 € 108,45 € 105,71 € View 103,62 € Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches KYLK RND MOM 3POS DPST 5A 250VAC Solder Lug Flat Key 90 deg Index 3 Positions Gold Plate Non Illuminated 51-378.F22D EAO 1: 111,42 € 12On Order	Mfr. Part No. 51-378.F22D Mouser Part No 123-51-378.F22D	EAO	Keylock Switches KYLK RND MOM 3POS DPST 5A 250VAC Solder Lug Flat Key 90 deg Index 3 Positions Gold Plate Non Illuminated Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	12On Order On Order Ship Dates Mfr. No: 51-378.F22D Stock: 0 On Order: 5 Expected 11/24/2026 7 Expected 1/19/2027 Factory Lead Time: 15 Weeks	111,42 € 111,41 € 111,32 € 109,05 € View Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated				Bulk
Keylock Switches ACTUPBILMOR* EAO 51-336.025D 51-336.025D EAO 1: 108,86 € 2On Order	Mfr. Part No. 51-336.025D Mouser Part No 123-51-336.025D	EAO	Keylock Switches ACTUPBILMOR* Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	2On Order	108,86 € 102,33 € 92,34 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches KYLK REC MNT 2POS 51-235.025DF EAO 1: 94,10 € Non-Stocked Lead-Time 12 Weeks Restricted Availability	Mfr. Part No. 51-235.025DF Mouser Part No 123-51-235.025DF	EAO	Keylock Switches KYLK REC MNT 2POS Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	Non-Stocked Lead-Time 12 Weeks	94,10 € 84,16 € 78,53 € 75,45 € 72,61 €	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches LENS FLUSH HALO STYLE W-SLVR-GRAY 51-295.025D EAO 1: 74,84 € Non-Stocked Lead-Time 2 Weeks Restricted Availability	Mfr. Part No. 51-295.025D Mouser Part No 123-51-295.025D	EAO	Keylock Switches LENS FLUSH HALO STYLE W-SLVR-GRAY Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	Non-Stocked Lead-Time 2 Weeks	74,84 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches IND RND BLK UNV LL 51-135.022D EAO 1: 81,66 € Non-Stocked Restricted Availability	Mfr. Part No. 51-135.022D Mouser Part No 123-51-135.022D	EAO	Keylock Switches IND RND BLK UNV LL Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	Non-Stocked	81,66 € 79,78 € 78,26 € 75,72 € View Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches 51-137.025D2 EAO 1: 83,65 € Non-Stocked Restricted Availability	Mfr. Part No. 51-137.025D2 Mouser Part No 123-51-137.025D2	EAO	Keylock Switches Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	Non-Stocked	83,65 € 74,21 € 69,23 € 66,52 € View 62,18 € Quote	Min.: 1 Mult.: 1 Restricted Availability	SPST	OFF - (ON)		2 Position	5 A	250 VAC		Non-Illuminated			IP65
Keylock Switches LEG PLATEBLANK 51-155.012D EAO 1: 45,63 € Non-Stocked Restricted Availability	Mfr. Part No. 51-155.012D Mouser Part No 123-51-155.012D	EAO	Keylock Switches LEG PLATEBLANK Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	Non-Stocked	45,63 € 40,36 € 38,48 € 35,90 € View 34,48 € 32,15 € Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches KYLK RND MNT 2POS 51-155.022D EAO 1: 81,66 € Non-Stocked Restricted Availability	Mfr. Part No. 51-155.022D Mouser Part No 123-51-155.022D	EAO	Keylock Switches KYLK RND MNT 2POS Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	Non-Stocked	81,66 € 79,78 € 78,26 € 75,72 € View Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated
Keylock Switches IND REC BLK UNV LL 51-155.022K EAO 1: 79,92 € Non-Stocked Restricted Availability	Mfr. Part No. 51-155.022K Mouser Part No 123-51-155.022K	EAO	Keylock Switches IND REC BLK UNV LL Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	Non-Stocked	79,92 € 74,49 € 72,33 € 71,40 € View 69,93 € Quote	Min.: 1 Mult.: 1 Restricted Availability								Non-Illuminated

51 Series Keylock Switches

Applied Filters:

Customer Service Office

Company

Resources

Support

Share This

51 Series Keylock Switches

Applied Filters: