{"id":6889,"date":"2024-08-24T09:15:56","date_gmt":"2024-08-24T09:15:56","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=product&p=6889"},"modified":"2026-09-28T15:20:48","modified_gmt":"2026-09-28T07:20:48","slug":"lja18-long-cylindrical-inductive-proximity-switch","status":"publish","type":"product","link":"https:\/\/www.wehopower.com\/vi\/product\/lja18-long-cylindrical-inductive-proximity-switch\/","title":{"rendered":"LJA18 Long Cylindrical Inductive Proximity Switch"},"content":{"rendered":"

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Output form<\/td>\nEmbedded<\/td>\nNon-embedded<\/td>\n<\/tr>\n
D \u00a0\u00a0C<\/td>\nNPN\/NPN<\/td>\nNO<\/td>\nLJA18-5N1<\/td>\nLJA18M-8N1<\/td>\n<\/tr>\n
NC<\/td>\nLJA18-5N2<\/td>\nLJA18M-8N2<\/td>\n<\/tr>\n
Ch\u01b0\u01a1ng tr\u00ecnh PNP<\/td>\nNO<\/td>\nLJA18-5P1<\/td>\nLJA18M-8P1<\/td>\n<\/tr>\n
NC<\/td>\nLJA18-5P2<\/td>\nLJA18M-8P2<\/td>\n<\/tr>\n
2-wire<\/td>\nNO<\/td>\nLJA18-5D1<\/td>\nLJA18M-8D1<\/td>\n<\/tr>\n
NC<\/td>\nLJA18-5D2<\/td>\nLJA18M-8D2<\/td>\n<\/tr>\n
A \u00a0\u00a0C<\/td>\n2-wire<\/td>\nNO<\/td>\nLJA18-5A1<\/td>\nLJA18M-8A1<\/td>\n<\/tr>\n
NC<\/td>\nLJA18-5A2<\/td>\nLJA18M-8A2<\/td>\n<\/tr>\n
Detection distance \u203b1<\/td>\n5m m m.<\/td>\n8mm<\/td>\n<\/tr>\n
Setting distance<\/td>\n0 \uff5e\u00a04.25mm<\/td>\n0 \uff5e\u00a06.8mm<\/td>\n<\/tr>\n
\u0110\u1ed1i t\u01b0\u1ee3ng ph\u00e1t hi\u1ec7n ti\u00eau chu\u1ea9n<\/td>\n18*18*1mm Iron \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a025*25*1mm Iron<\/td>\n<\/tr>\n
Response frequency \u203b2<\/td>\nN \/ P \uff1a600Hz\u3001DC:200Hz\u3001AC:25Hz<\/td>\n<\/tr>\n
Tr\u1ea3 l\u1ea1i ch\u00eanh l\u1ec7ch<\/td>\nKho\u1ea3ng c\u00e1ch ph\u00e1t hi\u1ec7n \u00edt h\u01a1n 15 %<\/td>\n<\/tr>\n
\u0110\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n<\/td>\nMagnetic metals (shorter detection distances for non-magnetic metals)<\/td>\n<\/tr>\n
\u0110i\u1ec7n \u00e1p cung c\u1ea5p<\/td>\nDC \uff1aRated voltage DC12~24V (use range voltage DC10~30V);AC\uff1aM8:AC90~250V,M12-M30:AC24~250V<\/td>\n<\/tr>\n
D\u00f2ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng<\/td>\nLoad current \u2264200mA<\/td>\n<\/tr>\n
\u0110i\u1ec7n \u00e1p d\u01b0<\/td>\nNPN \uff1a\u2264 1.5V;PNP \uff1a\u2264 2.5V; DC 2-wire\uff1a\u2264 4V; AC 2-wire\uff1a\u2264 7V<\/td>\n<\/tr>\n
D\u00f2ng r\u00f2<\/td>\nWhen 24VDC, max 0.1mA<\/td>\n<\/tr>\n
M\u1ea1ch b\u1ea3o v\u1ec7<\/td>\nDC: polarity, overcurrent protection; AC: surge absorption protection<\/td>\n<\/tr>\n
\u0110\u00e8n b\u00e1o<\/td>\nDual light display: power indicator green, action indicator red<\/td>\n<\/tr>\n
Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/td>\nOperating: -25 to +70\u00b0C (no icing, condensation); Storage: -40 to +85\u00b0C (no icing, condensation)<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111\u1ed9 \u1ea9m<\/td>\nOperation, storage: 35\uff5e95% (no condensation\uff09<\/td>\n<\/tr>\n
Temperature effect (drift)<\/td>\n-25\uff5e+70\u2103 temperature range, the detection distance is within \u00b110% of the detection distance at +23\u2103.<\/td>\n<\/tr>\n
Protective structure<\/td>\nIP67<\/td>\n<\/tr>\n
Housing Material<\/td>\nChrome Plated Brass<\/td>\n<\/tr>\n
V\u1eadt li\u1ec7u b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn<\/td>\nPBT<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Overall dimensions<\/td>\nEmbedded<\/td>\nNon-embedded<\/td>\n\"LJA18<\/td>\n<\/tr>\n
\"LJA18<\/td>\n\"LJA18<\/td>\n<\/tr>\n
M\u1ee5c<\/td>\n\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/td>\na<\/td>\nb<\/td>\nC<\/td>\nd<\/td>\ne<\/td>\nf<\/td>\ng<\/td>\n<\/tr>\n
Embedded<\/td>\nLJA8<\/td>\n41.7\u00b10.5<\/td>\n35\u00b10.5<\/td>\n<\/td>\n3.5<\/td>\nM8\u00d71<\/td>\n12<\/td>\nAF12<\/td>\n<\/tr>\n
Non-embedded<\/td>\nLJA8M<\/td>\n45.2\u00b10.5<\/td>\n4<\/td>\n<\/tr>\n
Embedded<\/td>\nLJA12<\/td>\n51.6\u00b10.5<\/td>\n40\u00b10.5<\/td>\n40\u00b10.5<\/td>\n<\/td>\n4<\/td>\nM12\u00d71<\/td>\n17<\/td>\nAF17<\/td>\n<\/tr>\n
Non-embedded<\/td>\nLJA12M<\/td>\n54.0\u00b10.5<\/td>\n<\/td>\n35\u00b10.5<\/td>\n8<\/td>\n<\/tr>\n
Embedded<\/td>\nLJA18<\/td>\n51.8\u00b10.5<\/td>\n52\u00b10.5<\/td>\n40\u00b10.5<\/td>\n<\/td>\n4<\/td>\nM18\u00d71<\/td>\n24<\/td>\nAF24<\/td>\n<\/tr>\n
Non-embedded<\/td>\nLJA18M<\/td>\n58.0\u00b10.5<\/td>\n<\/td>\n35\u00b10.5<\/td>\n12<\/td>\n<\/tr>\n
Embedded<\/td>\nLJA30<\/td>\n52.0\u00b10.5<\/td>\n52\u00b10.5<\/td>\n40\u00b10.5<\/td>\n<\/td>\n4.7<\/td>\nM30\u00d71.5<\/td>\n36.2<\/td>\nAF35.8<\/td>\n<\/tr>\n
Non-embedded<\/td>\nLJA30M<\/td>\n61.0\u00b10.5<\/td>\n<\/td>\n35\u00b10.5<\/td>\n15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\"LJA18<\/p>\n

 <\/p>\n

\u0110\u1eb7c tr\u01b0ng:<\/p>\n

1.Stable performance, internal electronic components SMT chip technology, stable and reliable performance.<\/p>\n

2.Powerful function, polarity protection to prevent reverse wiring.<\/p>\n

3.Safe and worry-free, using ferrite core, the magnetism will not decay after long-term use.<\/p>\n

 <\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n

Q1: How does the LJA18 inductive proximity switch detect metal objects?<\/b><\/strong><\/h3>\n

The LJA18 generates an electromagnetic sensing field at the sensor face. When a metal object enters the detection range, the electromagnetic field changes and the sensor switches its output signal. Because detection is non-contact, there is no mechanical wear between the sensor and target.<\/p>\n

Q2: What applications is the LJA18 inductive proximity sensor suitable for?<\/b><\/strong><\/h3>\n

The LJA18 can be used in industrial automation, machinery, conveyor systems, positioning equipment, counting systems, production lines, and other applications that require reliable detection of metal objects.<\/p>\n

Q3: What should I consider when selecting an inductive proximity switch?<\/b><\/strong><\/h3>\n

Important factors include sensing distance, sensor diameter, supply voltage, output type, target material, switching frequency, mounting method, cable configuration, and environmental conditions. The PLC or controller input must also be compatible with the selected sensor output.<\/p>\n

Q4: What types of objects can the LJA18 proximity switch detect?<\/b><\/strong><\/h3>\n

Inductive proximity sensors are primarily designed to detect metallic objects. Detection distance may vary depending on the type, size, and shape of the metal target. Ferrous metals are generally detected more easily than some non-ferrous metals.<\/p>\n

Q5: What information should I provide when ordering the LJA18 sensor?<\/b><\/strong><\/h3>\n

Provide the required operating voltage, output type, sensing distance, cable or connector requirement, installation environment, application, and expected order quantity. These details help confirm the correct configuration for the project.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

  Output form Embedded Non-embedded D \u00a0\u00a0C NPN NO LJA18-5N1 LJA18M-8N1 NC LJA18-5N2 LJA18M-8N2 PNP NO LJA18-5P1 LJA18M-8P1 NC LJA18-5P2 LJA18M-8P2 2-wire NO LJA18-5D1 LJA18M-8D1 NC LJA18-5D2 LJA18M-8D2 A \u00a0\u00a0C 2-wire NO LJA18-5A1 LJA18M-8A1 NC LJA18-5A2 LJA18M-8A2 Detection distance \u203b1 5mm 8mm Setting distance 0 \uff5e\u00a04.25mm 0 \uff5e\u00a06.8mm Standard detection object 18*18*1mm Iron \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a025*25*1mm Iron… Ti\u1ebfp t\u1ee5c \u0111\u1ecdc LJA18 Long Cylindrical Inductive Proximity Switch<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":6963,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"product_category":[],"product_categories_new":[145],"class_list":["post-6889","product","type-product","status-publish","format-standard","has-post-thumbnail","hentry","product_categories_new-lja-series","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product\/6889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/comments?post=6889"}],"version-history":[{"count":2,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product\/6889\/revisions"}],"predecessor-version":[{"id":18343,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product\/6889\/revisions\/18343"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/media\/6963"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/media?parent=6889"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product_category?post=6889"},{"taxonomy":"product_categories_new","embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/product_categories_new?post=6889"}],"curies":[{"name":"wp c\u1ee7a t\u00f4i","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}