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Command Access Field Installable Latchbolt Monitor Switch Kit for Schlage L9000 Mortise Locks with SPDT Configuration
Professional Latchbolt Position Monitoring Solution
The Command Access SCHLBMKIT-ML provides field-installable latchbolt position monitoring for Schlage L9000 mortise locks with easy "drop-in" installation. This SPDT (single pull, double throw) switch kit is rated at .25A @ 24VAC/DC and is compatible with ML80, 82, 480, and 485 series locks. The complete kit includes bracket with LBM switch, installation accessories, and fire door fuse for comprehensive monitoring capabilities.
Professional Features & Benefits
- Series Compatibility: Designed specifically for ML80, 82, 480, and 485 series Schlage L9000 mortise locks for precise fit and function.
- Electrical Rating: .25A @ 24VAC/DC operation provides reliable switching capacity for access control integration.
- SPDT Switch Configuration: Single pull, double throw design with Green/Black common, Blue/Black normally open, and Gray/Black normally closed connections for flexible wiring options.
- Drop-In Installation: Field-installable design allows easy retrofit to existing mortise locks without extensive modification.
- Complete Kit Contents: Includes bracket with LBM switch, LBM sticker, strain relief, and fire door fuse for comprehensive installation.
- Fire Door Compatibility: Includes fire door fuse component for use in fire-rated door applications.
- Position Monitoring: Accurately monitors latchbolt position for security system integration and access control verification.
Technical Specifications
- Commercial/Residential: Commercial
- Department: Door Hardware
- Electronic: Yes
- Parts and Accessories Type: Replacement Parts
- Product Attribute: Parts and Accessories
- Product Category: Electronic Access Controls
- Product Group: Electronic Access Controls
- Product Subgroup: Sensors, Switches, Relays and Timers
- Product Type: Parts and Accessories
- Series: SCHLBMKIT-ML Switch kits
- Subcategory: Accessories
Professional Applications
- Commercial Building Security Systems
- Access Control Integration
- Healthcare Facility Monitoring
- Educational Institution Safety Systems
- Industrial Facility Security
- Fire-Rated Door Applications
- Multi-Tenant Commercial Properties
Why Choose Command Access Quality?
Command Access latchbolt monitor switch kits deliver professional-grade reliability with SPDT switching rated at .25A @ 24VAC/DC for demanding commercial applications. The field-installable design and complete kit contents ensure proper integration with Schlage L9000 mortise lock systems. Engineered for commercial security applications where dependable latchbolt position monitoring is essential.
Manufacturer Resources
Command Access Catalog
Product Specs
- Product Group:
- Electronic Access Controls
- Series:
- SCHLBMKIT-ML Switch kits
- Product Subgroup:
- Sensors, Switches, Relays and Timers
- Product Type:
- Parts and Accessories
- Subcategory:
- Accessories
- Commercial/Residential:
- Commercial
- Electronic:
- Yes
- Parts and Accessories Type:
- Replacement Parts
- Product Attribute:
- Parts and Accessories
- Product Category:
- Electronic Access Controls
- Department:
- Door Hardware
Command Access SCHLBMKIT-ML – Frequently Asked Questions
1) Can a latchbolt monitor be added to a Schlage L9000 already hung in the door, or does the lock have to be replaced?
No lock replacement needed. The Command Access SCHLBMKIT-ML is a field-installable, drop-in kit, so an existing ML80, 82, 480 or 485 mortise lock gets pulled, the bracket with the LBM switch goes in, and the lock goes back. That is the whole point of the kit versus buying a factory-monitored lock body.
2) What are the switch contacts rated at on the Command Access SCHLBMKIT-ML latchbolt monitor?
The LBM switch carries .25A at 24VAC/DC. That is a signalling-level contact, so run it into an access control input, alarm panel zone or door position monitoring board. It is not a switching contact for a lock, strike or maglock load, and a relay or panel output has to carry that current instead.
3) How do I wire a Command Access latchbolt monitor switch for a normally closed input on my access control panel?
The kit's switch is SPDT, single pole double throw, so both states are available off one switch. Green/Black is common, Blue/Black is normally open, and Gray/Black is normally closed. For an NC input, land Green/Black and Gray/Black; for NO, use Green/Black and Blue/Black. The other pair gets capped off.
4) Is the RCI 9500/9501 mortise pin transfer a substitute for the Command Access SCHLBMKIT-ML latchbolt monitor switch kit?
No. The two do different jobs inside a mortise lock prep. The Command Access SCHLBMKIT-ML is a field-installable latchbolt monitor switch kit for Schlage L9000 mortise locks, with an SPDT switch rated .25A at 24VAC/DC that reports latchbolt position back to an access control or security system. The RCI 9500/9501 is a mortise pin transfer rated 1.5A at 24VAC with a tamper-resistant design, and its role is carrying power across the door edge into the lock, not signaling whether the latchbolt is projected. A locksmith wiring an electrified mortise lock often needs both: the pin transfer to get voltage into the lock body, and the SCHLBMKIT-ML to get a monitoring contact out of it.
5) What comes in the Command Access SCHLBMKIT-ML kit?
Four items: the bracket with the LBM switch already mounted, an LBM sticker for marking the lock, a strain relief for the wire exit, and a fire door fuse. There is no transfer hinge or door loop in the kit, so the wire path from the lock edge to the frame is a separate order.
6) Can a latchbolt monitor switch be installed in a fire rated door opening?
The SCHLBMKIT-ML ships with a fire door fuse for fire-rated door applications, which is the component that lets a monitored lock stay compliant on a labeled opening. It is included in the kit rather than sold separately.
7) What is the difference between a latchbolt monitor and a door position switch?
They report different things. A latchbolt monitor like the SCHLBMKIT-ML sits inside the Schlage L9000 mortise lock and reports whether the latchbolt is actually projected and secure. A door position switch only tells you the leaf is closed, which it will report even if the latch never threw. On a secured opening in a healthcare or school corridor, the latchbolt monitor is what proves the door locked.
8) I need to get the monitor wires from the mortise lock into the frame. Does this kit handle that?
The SCHLBMKIT-ML includes a strain relief at the lock, but the transfer across the hinge gap is a separate part. For that, an electric pin transfer such as the RCI 9500/9501 mortise pin transfer, rated 1.5A at 24VAC with a tamper-resistant design, is the piece that carries the conductors from door to frame.
9) Do I need to order a specific version of the SCHLBMKIT-ML for handing or finish?
There is one model, SCHLBMKIT-ML, and no handing or finish options to specify. The switch and bracket sit inside the lock case, so nothing about it is visible on the door and nothing needs to match the lock's finish.
10) Can a Locknetics RDB4 relay board be used instead of a latchbolt monitor switch to tell a security system a mortise lock is latched?
No, the RDB4 does not sense anything. The Locknetics RDB4 is a four-output relay distribution board supplied as a board only, so it distributes and switches signals it is given downstream of a control point. The signal itself has to come from a contact at the lock, which is what the Command Access SCHLBMKIT-ML supplies: an SPDT switch riding on a bracket inside a Schlage L9000 mortise lock, wired Green/Black common, Blue/Black normally open, Gray/Black normally closed. On a healthcare or campus door running through a relay board, the SCHLBMKIT-ML is the input and the RDB4 is what the input feeds.
11) For monitoring a fire-rated mortise lock opening, how does the Command Access SCHLBMKIT-ML differ from an exit sensor bar like the DynaLock 6451-36?
They monitor different things at different points on the door. The DynaLock 6451-36 is an exit sensor bar sized for a 36 inch door, mounted on the face of the door to detect a person pushing to exit. The Command Access SCHLBMKIT-ML sits inside the lock body of a Schlage L9000 mortise lock and monitors latchbolt position, telling the system whether the bolt is actually projected into the strike. It ships with a fire door fuse for use in fire-rated door applications, and drops in to existing ML80, 82, 480, and 485 series locks without extensive modification. A facility that needs to prove a fire door is latched wants latchbolt monitoring, not a request-to-exit bar.
12) Does the Command Access SCHLBMKIT-ML monitor switch need its own power supply?
No supply is part of this kit. The LBM switch is a dry contact rated .25A at 24VAC/DC, so it simply opens and closes a circuit your panel provides. If the opening also needs low voltage power for an electrified lock or strike, that is a separate device, such as the Adams Rite 4605 transformer, which takes 115 VAC to 12/24 VAC at 40 volt-amps.
13) Is the SCHLBMKIT-ML a commercial-duty part or a residential accessory?
Commercial. It is a replacement/retrofit part for commercial mortise lock hardware, aimed at access control integration in buildings, not at residential locksets.
How fast can I get the Command Access SCHLBMKIT-ML delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Command Access SCHLBMKIT-ML come with a warranty?
Absolutely. The Command Access SCHLBMKIT-ML is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Command Access SCHLBMKIT-ML?
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installation tips, and troubleshooting. Contact Us
Why buy the Command Access SCHLBMKIT-ML from ZenSupply?
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Our team is always ready to help you choose the right product for your project.