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Escutcheon trim indicator lock

M30 Escutcheon Indicator Lock ANSI/BHMA A156.13 F20 Apartment Corridor Door Lock

PRODUCT / Escutcheon trim indicator lock

M30 Escutcheon Indicator Lock – Apartment Corridor Door Lock

The M30 F20 Escutcheon Indicator Lock is designed for apartment corridor doors in multi-family residential and commercial buildings. It combines an indicator escutcheon with the DD Series mortise lock body, offering the most comprehensive functional configuration in the DD Series. Its versatile locking functions and durable construction make it suitable for demanding, high-use door applications.

Category
Indicator lock
FUNCTION
ANSI BHMA A156.13 F20 Apartment Corridor Door Lock
01 / OVERVIEW

Overview

Built around the DD Series mortise lock body, the M30 F20 offers an extensive range of locking functions in one platform. Its indicator escutcheon provides a clear visual indication of door status, while the robust lock body is designed for reliable operation in high-traffic environments.

The lock features stainless steel construction, a trim secured by four through-bolts, and quick-reversible handing without disassembling the lock case. Multiple indicator wording options are available to suit different project requirements.

 

Applications

l  Apartment corridor doors

l  Multi-family residential buildings

l  Hotels and hospitality facilities

l  Commercial and institutional buildings

l  High-traffic interior doors requiring visual status indication

 

02 / FEATURE

Feature

Escutcheon Indicator Trim:

Provides clear visual confirmation of the door's locking status, allowing users to identify the indicated status at a glance.

Occupied/Vacant Status Indication:

Helps users determine whether a room is occupied or available without needing to knock, improving convenience in privacy-sensitive areas.

Multifunction Mortise Lock Body:

Built on the DD Series platform, with four functions integrated into a single lock case to accommodate different application requirements.

Grade 1 Performance:

Designed to meet ANSI/BHMA A156.13 requirements and exceed Grade 1 cycle performance requirements for demanding, high-traffic environments.

Stainless Steel Construction:

Stainless steel lock case and internal components provide strength, corrosion resistance, and long-term durability.

Reinforced Indicator Trim:

Four through-bolts connect and secure the two sides of the indicator trim, helping resist forced damage and improve mounting stability.

Quick-Reversible Handing:

Allows the handing to be reversed without disassembling the lock case, simplifying installation and reducing adjustment time.

Flexible Door Compatibility:

Suitable for compatible wood and metal doors across multiple door thicknesses, subject to the specified lock configuration and door preparation.

Multiple Indicator Wording Options:

Available wording options allow the indicator to be tailored to different applications and user requirements.

Privacy and Controlled-Access Applications:

Suitable for restrooms, dressing rooms, mother's rooms, quiet rooms, and other spaces requiring clear visual status indication.

Fire-Rated Applications:

UL-listed configurations are available for up to 3-hour fire-rated door assemblies, subject to the applicable listing and installation requirements.

Commercial-Grade Durability:

Designed for reliable operation in high-use commercial, healthcare, educational, and institutional environments.

03 / FUNCTION

Function

PictureModel no.ANSI no.FunctionDescriptionLeverCylinderThumb turn
DD20 mortise lock function diagram
DD20F20Apartment Corridor Door LockLever latch both sides; outside lever disable by non-key means. Deadbolt by key outside or turn inside; key operates both bolts. Inside lever retracts both; outside stays locked. Latch deadlocks when disabled or deadbolt thrown; re-enabled when deadbolt is retracted.✓✓✓
04 / SPECIFICATION

Specification

Door preparation ANSI/BHMA A156.115W or A156.115
Door thickness For doors 1-3/4" (44mm) to 2-1/4" (57mm) thick standard
Stile 4-1/2" (114mm) minimum stile
Backset *Standard backset 2-3/4" (70mm)
CTC Cylinder to lever distance 3-7/8" (98mm)
Function ANSI F04
Lock case SS304, thickness 3/32"
Latch bolt SS303, A156.13 Grade 1 latch bolt projection 3/4", 2 pcs anti-fraction
Auxiliary latch bolt SS304, 3/8" projection, non-handed
Dead bolt 17-4PH stainless steel, A156.13 Grade 1 dead bolt projection 1”
Hub AISI4140 42CrMo steel
Face plate SS304, ANSI/BHMA A156.115 8"×1-1/4"×1/16" (203 ×31.7×2.1mm)
Cylinder Φ1-1/8" cylinder, C28000 brass, 6 pin, 3 keys, satin nickel face
Strike SS304, 4-7/8" ANSI curved lip strike, thickness 1/8" (3mm)
Strike box PA66
Indicator trim SS303 cast steel, thickness 9/64" (3.6mm)
Handing Non-handed, Field reversible latch bolt
Finishes US32D/US4/US10B
ANSI/BHMA ANSI/BHMA A156.13 certified Grade 1
UL listed UL/cUL 10C listed for 3 hour fire rating
05 / CONFIGURATION

Configuration

Indicator trim details

M30 escutcheon trim
Trim type Escutcheon trim
Material SS303 cast
Thickness 9/64" (3.6mm)
Width 2-1/16" (52mm)
Height 9-11/16" (246.6mm)
Projection 2-1/2" (63mm)

Lever details

M51 lever
L10 style lever

SS303 solid cast

USD32D/US4/US10B

Thumbturn details

M30 thumb turn
T-thumb turn M30A5

1-3/4"×3/8"(44×10mm)

SS303 cast US32D

Cylinder details

A14 Cylinder details
A13 cylinder

Φ1-1/8"×1-1/2" (Φ29×38.2mm)

C28000 brass body, 6 pins

Satin nickel cylinder face

3 pcs of C26000 brass keys, nickel plated.

Strike details

ST-04 Strike details
ST-04 *Standard

4-7/8" (124mm) ANSI curved lip strike SS304.

1-3/16" (30mm) curved lip from center of screw holes to end of lip.

Strike box 4-3/4" × 1-1/8" × 1" (120×29×25mm), PA66

06 / DOCUMENTS

Documents

HARDWOOD product consultation support
07 / REQUEST INFORMATION

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