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Keyence · circuit breaker
LK-H157 is a Keyence circuit breaker with Rated operational voltage <= 440 V AC; Breaking capacity Icu/Ics 0.01% of F.S. (F.S.= 80 mm 3.15" ); Supply voltage 10...30 V DC (IEC 60947-5-2). It is used in distribution boards, motor protection circuits, panel feeders where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Rated operational voltage | <= 440 V AC |
|---|---|
| Breaking capacity Icu/Ics | 0.01% of F.S. (F.S.= 80 mm 3.15" ) |
| Supply voltage | 10...30 V DC (IEC 60947-5-2) |
| Mechanical | |
| Weight | Approx. 300 g |
| Mounting | Diffuse reflective / Specular reflective *1 |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | -25...+60 °C |
| Certifications | CE, cULus |
| Humidity | 35 to 85 % RH (No condensation) |
Values follow the Keyence circuit breaker specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Keyence circuit breaker variants | |||
| Catalog number | Breaking capacity Icu/Ics | Rated operational voltage | |
|---|---|---|---|
| LK-H157 (this page) | 0.01% of F.S. (F.S.= 80 mm 3.15" ) | <= 440 V AC | |
| LK-H150 | 0.01% of F.S./°C (F.S.= 80 mm 3.15" ) | <= 440 V AC | |
| LK-H152 | 0.01% of F.S. (F.S.= 80 mm 3.15" ) | <= 440 V AC | |
| LK-H155 | 0.01% of F.S./°C (F.S.= 80 mm 3.15" ) | <= 440 V AC | |
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
Keyence LK-H157 — Sensor or detector for object detection, distance measurement and status feedback on production lines. The figures below are taken from the specification table on this page for catalog number LK-H157; size the surrounding wiring and upstream protection to these published ratings rather than to a generic assumption.
Available from stock with datasheet, certificates and a quotation on request.
Q.For LK-H157, what does the specification table state about supply voltage?
The specification table lists supply voltage = 10...30 V DC (IEC 60947-5-2) for Keyence LK-H157. Confirm this figure against the unit currently in the panel.
Q.Which value is published under humidity for catalog number LK-H157?
For LK-H157, humidity is given as 35 to 85 % RH (No condensation). Use the value as the reference when sourcing a current-production equivalent.
Q.Before ordering LK-H157, which weight entry should be checked?
The weight entry quoted above is Approx. 300 g. Check the revision of the installed unit if the catalog number has been superseded.
Q.How do I confirm compatibility of LK-H157 before ordering?
Match the catalog number LK-H157 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Q.What should I include in an enquiry for LK-H157?
Send the full catalog number LK-H157, the required quantity and a photo of the nameplate. Stock, lead time and the applicable compliance documents can then be confirmed for Keyence LK-H157.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. Express shipping is a fixed USD 50.00 for eligible destinations in the United States and Canada.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date the order is placed (order date), against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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