D4BL-K3 Omron Hinge operation key for D4BL switch, vertical mounting (horiz. adjust.)
KKM Solutions is an independent parts distributor, not an authorized Omron dealer — how we source.
Overview
Part number D4BL-K3 from Omron, listed in Enclosure Hardware & Accessories. KKM Solutions quotes this part with pricing and availability confirmed per order.
Guard lock safety-door switch
- A mechanical lock is applied automatically when the Operation Key is inserted. A high level of safety is achieved using a mechanism where the lock is only released when voltage is applied to the solenoid.
- Release protective cover locks using controller signals or push-button switches after the cutting tool stops moving due to inertia.
- The switch contact is opened by a direct opening mechanism (NC contacts only) when the protective cover is opened. Direct opening mechanism that is EN-certified is indicated by a right-pointing arrow on the switch.
Overview
- Conforms to EN (TÜV) standards corresponding to the CE marking
- Certified by UL, CSA and CCC standards
- Auxiliary release key ensures easy maintenance and unlocks the door in the case of a power failure.
- Tough aluminum die-cast body incorporating a switch box with degree of protection satisfying IP67, UL, and CSA TYPE6P, 13
- Equipped with a horizontal and vertical conduit opening
- Models incorporating easy-to-see indicators for monitoring and those using an adjustable Operation Key for a swinging door are available
- The mounting direction of the head can be changed to allow the Operation Key to be inserted from four directions

Connections

Specifications
| Category | Operating Keys for Safety Interlock Switches |
|---|
Product details
| Manufacturer | Omron |
|---|---|
| Manufacturer part number | D4BL-K3 |
| Product category | Enclosure Hardware & Accessories |
| Published specifications | 1 attribute listed |
| Related part numbers | 18 other part numbers in this family |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does D4BL-K3 cost?
D4BL-K3 is listed at CA$114.00 (CAD) and can be ordered directly from this page with Add to Cart. That figure is a reference price and can change: your card is authorized at checkout and charged only once our order desk confirms the part, stock, and final price, and we email you first if anything has moved. Larger quantities or custom terms — email orderdesk@kkmsolutions.com for a volume quote.
Who manufactures the D4BL-K3?
D4BL-K3 is made by Omron and is listed in our Enclosure Hardware & Accessories category. KKM Solutions is an independent distributor, not an authorized Omron dealer: we source the exact Omron part number D4BL-K3, and the quote confirms condition and lead time before you order.
Is the D4BL-K3 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the D4BL-K3, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of D4BL-K3?
No published lifecycle status is on file for D4BL-K3. Omron lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
How quickly can D4BL-K3 ship?
Lead time for D4BL-K3 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
Variants & Related Part Numbers
Other Omron part numbers in this family:
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