ACSI M1500MLR L9070B Motorized...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,850.00
$1,164.16
ACSI M1500MLR L9070B Motorized Latch Retraction for Schlage L9070 Mortise Lock, 24V

ACSI M1500MLR L9070B Motorized Latch Retraction for Schlage L9070 Mortise Lock, 24V

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Model: M1500MLR-L9070B-24V
From the 1500 Series Collection

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,850.00
$1,164.16
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ACSI M1500MLR L9070B Motorized Latch Retraction for Schlage L9070 Mortise Lock, 24V

ACSI Series 1500 Electric Mortise Locks provide safety and security for stairtower doors or controlled areas where both locking and latching are required. The locks are available in motor-controlled or solenoid-controlled to allow remote electric locking or unlocking while conforming to life-safety codes.

Features

  • UL Listed
  • California State Fire Marshall approved

Fail Safe (Power Lock)

  • Outside trim is locked when power is applied and unlocked when power is removed (storeroom function when energized). Lockset will unlock in the event of a power failure (passage function).

Fail Secure (Power Unlock)

  • Outside trim is unlocked when power is applied and locked when power is removed. Lockset will lock in the event of a power failure.

Simple user selectable fail safe/fail secure operation in motor-controlled locks

  • Continuous duty rated
  • Low power consumption
  • 24VDC, 24VAC, 12VDC, or 12VAC operation
  • When key cylinders are provided in the locks, the latch bolt may be momentarily retracted with key even though electrically locked. Note: Locks that are electrically unlocked may not be locked via the key cylinder.
  • Wide variety of monitoring options are available
  • Interface with life-safety system

Manufacturer Resources

Product Specs

Series:
1500 Series
Collection:
1500 Series
Product Type:
Electronic Mortise Locks
Features:
Simple User Selectable Fail Safe/Fail Secure Operation in Motor Controlled Locks, Continuous Duty Rated, Low Power Consumption, Interface With Life Safety Systems
Subcategory:
Electrified Mortise Locks
Commercial/Residential:
Commercial
Electronic:
Yes
Lock Type:
Mortise
Handle Type:
Lever
Fail-safe / Fail-secure:
Field Selectable
Product Group:
Mechanical Locks
Product Subgroup:
Mortise Locks and Trim
Product Voltage:
24VDC
Electrical Configuration:
Latchbolt Monitor
Product Category:
Mechanical Locks
Department:
Door Hardware

ACSI M1500MLR-L9070B-24V – Frequently Asked Questions

1) What does the ACSI M1500MLR L9070B actually do to a Schlage L9070 mortise lock?
It adds motorized latch retraction to a Schlage L9070 mortise lock, so the latch can be electrically controlled for remote locking and unlocking. The 1500 Series is built for stairtower doors and controlled areas where the opening has to stay both locked and latched, which is what separates it from a strike-based release. Lever trim, mortise body, 24VDC.
2) Is the ACSI M1500MLR fail safe or fail secure, and do I have to pick one when I order?
No need to pick. The motor-controlled 1500 Series lock is field selectable, so the same unit sets up either way on the job. Fail safe means the outside trim locks when power is applied and unlocks when power drops, giving you a storeroom function energized and passage on power failure. Fail secure is the reverse: unlocked with power applied, locked when power is removed. That selection is the single biggest decision on an electrified stairtower opening, and here it is made at install rather than at the order desk.
3) What voltage does the ACSI M1500MLR L9070B need, and can I run it off my existing 12V supply?
This one is the 24V version and is specified at 24VDC. The 1500 Series platform is built in 24VDC, 24VAC, 12VDC and 12VAC, so a 12V option exists in the family, but the M1500MLR L9070B as ordered here is the 24V unit. Size your supply for continuous duty, since the lock is continuous duty rated and will sit energized all day on a fail safe stairtower.
4) Can my access control system see whether the stairtower door actually latched?
Yes. This unit is configured with a latchbolt monitor, so the head end gets a signal reporting the latchbolt position rather than just the state of the relay you energized. On a stairtower re-entry opening that distinction matters: it tells you the door secured, not merely that you dropped power to it. The lock also interfaces with life safety systems for release on alarm.
5) Is the ACSI 1500 Series electric mortise lock approved for a fire rated stair door?
The 1500 Series electric mortise locks are UL Listed and approved by the California State Fire Marshall, and they conform to life-safety codes while allowing remote electric locking or unlocking. That is the combination an institutional facility needs on a stairtower: the lock stays latched for the fire rating while access control still governs re-entry.
6) If the power fails on a fail safe setup, can I still lock the stairtower door with a key?
No. Once the lock is electrically unlocked, the key cylinder will not lock it. The key works the other direction: with a cylinder fitted, you can momentarily retract the latchbolt with the key even when the lock is electrically locked. So plan the key as an override into the space, not as a way to secure a door the system has released.
7) Will this work with the Schlage L9070 locks already on my other stair doors?
That is exactly what it is built for. The M1500MLR L9070B is the motorized latch retraction version of the Schlage L9070 mortise lock, so a building already standardized on L9070 stairtower locks can electrify individual openings without changing lock platform, lever family, or door prep across the fleet. It is a commercial mortise lock with lever trim.
8) Can I leave the ACSI 1500 Series lock energized around the clock without overheating it?
Yes, it is continuous duty rated and draws low power, which is what a fail safe stairtower opening demands since it sits energized every hour the building is occupied. Budget the supply for that steady draw across every door rather than for momentary pulls.
How fast can I get the ACSI M1500MLR-L9070B-24V 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 ACSI M1500MLR-L9070B-24V come with a warranty?
Absolutely. The ACSI M1500MLR-L9070B-24V 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 ACSI M1500MLR-L9070B-24V?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the ACSI M1500MLR-L9070B-24V from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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