Switches – Mouser Finland

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Series 51 Switch Range

EAO Series 51 Switch Range is an oil and watertight, high-quality switch range that includes pushbuttons, indicators, illuminated selector switches, key locks, and "mono-block" stop switches. It is possible to choose up to 4NO/4NC snap-action switching elements per switch and low-level switching elements are also available. Both standard panel-mount (16mm cut-out) and flush-mount (22.5mm cut-out) styles are available from EAO.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Type	Contact Form	Mounting Style
Switch Fixings LPB ACTUATOR REC 51-165.0 EAO 1: 21,29 € 51In Stock Restricted Availability	Mfr. Part No. 51-165.0 Mouser Part No 123-51-165.0	EAO	Switch Fixings LPB ACTUATOR REC 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	51In Stock	21,29 € 21,28 € 21,06 € 20,65 € View 20,51 € Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Hardware
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 € 98,30 €	Min.: 1 Mult.: 1 Restricted Availability	Keylock Switches
Switch Actuators LPB SQ MOM SLGP QC 51-151.022 EAO 1: 41,95 € 80In Stock Restricted Availability	Mfr. Part No. 51-151.022 Mouser Part No 123-51-151.022	EAO	Switch Actuators LPB SQ MOM SLGP QC 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	80In Stock	41,95 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel Mount
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	Keylock Switches		DPST
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	Keylock Switches		DPST
Switch Actuators STP SWTC W-ANTI TWIST RELEASE 2N.C 51-252.026 EAO 1: 43,22 € 75In Stock Restricted Availability	Mfr. Part No. 51-252.026 Mouser Part No 123-51-252.026	EAO	Switch Actuators STP SWTC W-ANTI TWIST RELEASE 2N.C 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	75In Stock	43,22 € 43,11 € 41,83 € 41,49 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel
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	Keylock Switches		DPST
Keylock Switches KYLK RND MNT 2POS 51-235.025D EAO 1: 74,84 € 37In Stock Restricted Availability 32Expected 18/12/2026	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 18/12/2026	74,84 € 74,66 € 72,39 € 71,40 € View 69,45 € Quote	Min.: 1 Mult.: 1 Restricted Availability	Keylock Switches		DPST
Switch Cases / Switch Covers protect COVER-REC 51-925 EAO 1: 6,81 € 604In Stock	Mfr. Part No. 51-925 Mouser Part No 123-51-925	EAO	Switch Cases / Switch Covers protect COVER-REC Learn More about EAO series 51 switches	Datasheet	604In Stock	6,81 €	Min.: 1 Mult.: 1	Switch Cases / Switch Covers	Protective
Switch Actuators LPB REC MOM SLGP QC 51-121.022 EAO 1: 41,95 € 37In Stock Restricted Availability	Mfr. Part No. 51-121.022 Mouser Part No 123-51-121.022	EAO	Switch Actuators LPB REC MOM SLGP QC 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	41,95 € 40,98 € 40,96 € 40,15 € View Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel Mount
Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR 51-121.025 EAO 1: 37,64 € 16In Stock Restricted Availability	Mfr. Part No. 51-121.025 Mouser Part No 123-51-121.025	EAO	Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR 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	16In Stock	37,64 € 37,23 € 36,17 € 33,79 € 33,21 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Contact Blocks / Switch Kits			Panel Mount
Switch Actuators LPB SQ MOM SLGP SLDR 51-151.025 EAO 1: 38,89 € 11In Stock Restricted Availability	Mfr. Part No. 51-151.025 Mouser Part No 123-51-151.025	EAO	Switch Actuators LPB SQ MOM SLGP SLDR 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	11In Stock	38,89 € 38,05 € View Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel Mount
Switch Actuators STP SWTC W-ANTI TWIST RELEASE 1N.C 51-256.026 EAO 1: 36,45 € 14In Stock Restricted Availability	Mfr. Part No. 51-256.026 Mouser Part No 123-51-256.026	EAO	Switch Actuators STP SWTC W-ANTI TWIST RELEASE 1N.C 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	14In Stock	36,45 € 36,01 € 35,61 € 32,16 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel
Switch Actuators LPB REC MNT SLGP QC 51-261.022 EAO 1: 48,19 € 4In Stock Restricted Availability	Mfr. Part No. 51-261.022 Mouser Part No 123-51-261.022	EAO	Switch Actuators LPB REC MNT SLGP QC 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	4In Stock	48,19 € 48,18 € 47,14 € View Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel Mount
Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR 51-261.025 EAO 1: 41,37 € 4In Stock Restricted Availability	Mfr. Part No. 51-261.025 Mouser Part No 123-51-261.025	EAO	Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR 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	4In Stock	41,37 € 41,36 € 40,31 € 39,45 € View 38,02 € Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Contact Blocks / Switch Kits			Panel Mount
Switch Actuators LPB SQ MNT SLGP SLDR 51-281.025 EAO 1: 49,65 € 3In Stock Restricted Availability	Mfr. Part No. 51-281.025 Mouser Part No 123-51-281.025	EAO	Switch Actuators LPB SQ MNT SLGP SLDR 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	3In Stock	49,65 € 41,37 € 40,31 € 39,44 € View 38,66 € Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators	Maintained, Round		Panel Mount
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	Keylock Switches		DPST
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	Keylock Switches		DPST
Switch Actuators LPB REC MOM GD UNV LL 51-421.036 EAO 1: 41,33 € 34In Stock Restricted Availability	Mfr. Part No. 51-421.036 Mouser Part No 123-51-421.036	EAO	Switch Actuators LPB REC MOM GD UNV LL 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	41,33 € 40,85 € View Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel Mount
Switch Actuators LPB REC MOM GD UNV LL 51-423.036 EAO 1: 41,33 € 1In Stock Restricted Availability	Mfr. Part No. 51-423.036 Mouser Part No 123-51-423.036	EAO	Switch Actuators LPB REC MOM GD UNV LL 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	1In Stock	41,33 € 40,27 € 39,12 € 38,33 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel Mount
Switch Actuators LPB REC MOM GD UNV LL 51-425.036 EAO 1: 26,52 € 12In Stock Restricted Availability	Mfr. Part No. 51-425.036 Mouser Part No 123-51-425.036	EAO	Switch Actuators LPB REC MOM GD UNV LL 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	12In Stock	26,52 € 26,05 € 25,49 € 24,80 € Quote Quote	Min.: 1 Mult.: 1 Restricted Availability	Switch Actuators			Panel Mount
Switch Bezels / Switch Caps LENS REC FLT TLT WHT 51-901.9 EAO 1: 3,62 € 184In Stock Restricted Availability	Mfr. Part No. 51-901.9 Mouser Part No 123-51-901.9	EAO	Switch Bezels / Switch Caps LENS REC FLT TLT WHT 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	184In Stock	3,62 € 3,54 € 3,38 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Bezels / Switch Caps	Lens
Switch Bezels / Switch Caps LENS REC FLT TPT RED 51-903.2 EAO 1: 3,62 € 107In Stock Restricted Availability	Mfr. Part No. 51-903.2 Mouser Part No 123-51-903.2	EAO	Switch Bezels / Switch Caps LENS REC FLT TPT RED 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	107In Stock	3,62 € 3,60 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Bezels / Switch Caps	Lens
Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG 51-903.3 EAO 1: 3,62 € 15In Stock Restricted Availability	Mfr. Part No. 51-903.3 Mouser Part No 123-51-903.3	EAO	Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG 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	15In Stock	3,62 € 3,54 € 3,38 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Bezels / Switch Caps	Lens
Switch Bezels / Switch Caps LENS REC FLT TPT YLW 51-903.4 EAO 1: 3,62 € 14In Stock Restricted Availability 85On Order	Mfr. Part No. 51-903.4 Mouser Part No 123-51-903.4	EAO	Switch Bezels / Switch Caps LENS REC FLT TPT YLW 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	14In Stock 85On Order On Order Ship Dates Mfr. No: 51-903.4 Stock: 14 Can Dispatch Immediately On Order: 40 Expected 09/11/2026 45 Expected 11/11/2026 Factory Lead Time: 15 Weeks	3,62 € 3,61 € 3,48 € 3,34 € View 3,27 € 3,25 €	Min.: 1 Mult.: 1 Restricted Availability	Switch Bezels / Switch Caps	Lens

Series 51 Switch Range

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Series 51 Switch Range

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