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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 (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
Switch Fixings LPB ACTUATOR REC 51-165.0 EAO 1: CHF 19.93 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	CHF 19.93 CHF 19.92 CHF 19.71 CHF 19.33 View CHF 19.20 Quote	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches KYLK RND MOM 3POS 51-378.AD EAO 1: CHF 116.43 8In 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	8In Stock	CHF 116.43 CHF 100.40 CHF 95.61 CHF 90.47 View CHF 86.52 Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB SQ MOM SLGP QC 51-151.022 EAO 1: CHF 39.27 75In 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	75In Stock	CHF 39.27	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches KYLK RND MNT 2POS 51-235.022D EAO 1: CHF 76.43 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	CHF 76.43 CHF 72.92 CHF 70.79 Quote Quote	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches KYLK RND MNT 2POS 51-236.025D EAO 1: CHF 86.43 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	CHF 86.43 CHF 84.45 CHF 82.84 CHF 80.15 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators STP SWTC W-ANTI TWIST RELEASE 2N.C 51-252.026 EAO 1: CHF 40.45 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	CHF 40.45 CHF 40.35 CHF 39.15 CHF 38.79 CHF 38.78	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches KYLK SQ MNT 2POS 51-255.022D EAO 1: CHF 76.43 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	CHF 76.43 CHF 73.88 CHF 73.50 CHF 71.62 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches KYLK RND MNT 2POS 51-235.025D EAO 1: CHF 70.05 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	CHF 70.05 CHF 69.88 CHF 67.76 CHF 66.83 View CHF 65.01 Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Cases / Switch Covers protect COVER-REC 51-925 EAO 1: CHF 6.37 654In 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	654In Stock	CHF 6.37	Min.: 1 Mult.: 1
Panel Mount Indicator Housings & Hardware IND REC BLK SLDR 51-040.005 EAO 1: CHF 11.87 41In Stock Restricted Availability	Mfr. Part No. 51-040.005 Mouser Part No 123-51-040.005	EAO	Panel Mount Indicator Housings & Hardware IND REC BLK 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	41In Stock	CHF 11.87 CHF 11.85 CHF 11.27 CHF 11.08 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB REC MOM SLGP QC 51-121.022 EAO 1: CHF 39.27 21In Stock Restricted Availability 16Expected 10/19/2026	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	21In Stock 16Expected 10/19/2026	CHF 39.27 CHF 38.36 CHF 38.34 CHF 37.58 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR 51-121.025 EAO 1: CHF 35.23 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	CHF 35.23 CHF 34.85 CHF 33.86 CHF 31.63 CHF 31.08	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB SQ MOM SLGP SLDR 51-151.025 EAO 1: CHF 36.40 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	CHF 36.40 CHF 35.61 Quote Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators STP SWTC W-ANTI TWIST RELEASE 1N.C 51-256.026 EAO 1: CHF 34.12 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	CHF 34.12 CHF 33.71 CHF 33.33 CHF 30.68 CHF 30.10	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB REC MNT SLGP QC 51-261.022 EAO 1: CHF 45.11 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	CHF 45.11 CHF 45.10 CHF 44.12 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR 51-261.025 EAO 1: CHF 38.72 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	CHF 38.72 CHF 38.71 CHF 37.73 CHF 36.93 View CHF 35.59 Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB SQ MNT SLGP SLDR 51-281.025 EAO 1: CHF 46.47 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	CHF 46.47 CHF 38.72 CHF 37.73 CHF 36.92 View CHF 36.19 Quote	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches KYLK RND MNT 2POS 51-135.025D EAO 1: CHF 80.14 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	CHF 80.14 CHF 80.13 CHF 78.31 CHF 76.81 View CHF 74.33 Quote	Min.: 1 Mult.: 1 Restricted Availability
Keylock Switches KYLK REC MNT 2POS 51-195.022D EAO 1: CHF 76.43 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	CHF 76.43 CHF 76.42 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB REC MOM GD UNV LL 51-421.036 EAO 1: CHF 38.68 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	CHF 38.68 CHF 38.24 View Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB REC MOM GD UNV LL 51-423.036 EAO 1: CHF 38.68 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	CHF 38.68 CHF 37.69 CHF 36.62 CHF 35.88 Quote Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Actuators LPB REC MOM GD UNV LL 51-425.036 EAO 1: CHF 24.82 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	CHF 24.82 CHF 24.38 CHF 23.86 CHF 23.21 Quote Quote	Min.: 1 Mult.: 1 Restricted Availability
Switch Bezels / Switch Caps LENS REC FLT TLT WHT 51-901.9 EAO 1: CHF 3.39 143In Stock Restricted Availability 141On Order	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	143In Stock 141On Order On Order Ship Dates Mfr. No: 51-901.9 Stock: 143 Can Dispatch Immediately On Order: 110 Pending 31 Expected 10/19/2026 Factory Lead Time: 15 Weeks	CHF 3.39 CHF 3.31 CHF 3.16	Min.: 1 Mult.: 1 Restricted Availability
Switch Bezels / Switch Caps LENS REC FLT TPT RED 51-903.2 EAO 1: CHF 3.39 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	CHF 3.39 CHF 3.34 CHF 3.28	Min.: 1 Mult.: 1 Restricted Availability
Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG 51-903.3 EAO 1: CHF 3.39 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	CHF 3.39 CHF 3.31 CHF 3.16	Min.: 1 Mult.: 1 Restricted Availability

All Results (44)

Series 51 Switch Range

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