HOTEL ACCESS · MALAYSIA SELECTION

ZKTeco SL03-T420H

Source-listed values: Housing Material: Aluminum Alloy; Emergency Power: USB Type-C Interface, DC 5V. Check the source and configuration notes below.

41 published fields · Specification data available · Reviewed 2026-10-12

ZKTeco SL03-T420H — model-specific selection graphic; Emergency power: USB Type-C, DC 5V; Package Dimensions (L×W×H): 225.0×130.0×430.0 mm; Door Thickness: 35 to 60 mm (standard); Battery Life: approximately 2.5 years.

Model parameters

Model-specific parameter diagram.

Product advantages and buyer fit

  • Mechanical override offers a way in when electronic credentials or power are unavailable. Test the emergency procedure during commissioning.
  • Compare the stated dimensions with your existing doors before ordering. Check the drilling drawing for this model and fit a sample.

What the published attributes mean for your project

Door fit and replacement cost

Backset: 55 mm

Compare these measurements with your existing doors. Before covering old cut-outs or changing the mortise, check the matching drawing and fit a sample.

Credentials and front-desk workflow

Unlocking Methods: Passcode (dynamic/ periodic) ; Card (IC/ NFC)

Check that the stated configuration fits your credentials and staff workflow. Test checkout and lost-credential handling.

Power and maintenance planning

Emergency Power: USB Type-C Interface, DC 5V

Plan consumables, service access and failure recovery around the stated power supply and endurance conditions.

Published product attributes

AttributePublished valueSource
Housing MaterialAluminum AlloyPublished product detail
Color OptionsMatt Black, Space GrayPublished product detail
Front PanelTempered Glass (2.5D edge processing)Published product detail
TypeEuropean StandardPublished product detail
Backset55 mmExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Axe Distance72 mmPublished product detail
Square Spindle7.8 mmPublished product detail
Faceplate (H×W)24×235 mm; squared standardPublished product detail
Unlocking MethodsPasscode (dynamic/ periodic) ; Card (IC/ NFC)Published product detail
CapacityUser: 100; Passcode: 100; Card: 100;Published product detail
Card ReaderIC Card @13.56 MHzPublished product detail
Audio Prompt LanguageEnglish, SpanishPublished product detail
IndicatorGreen (access granted)Published product detail
Wireless CommunicationZigbee 3.0 (IEEE 802.15.4)Published product detail
Emergency PowerUSB Type-C Interface, DC 5VPublished product detail
Power Supply8 x AA Alkaline Batteries (Not Provided)Published product detail
Battery Lifeapproximately 2.5 yearsPublished product detail
Supported SoftwareZKBio CVSecurity SmartLockPublished product detail
Door TypeWooden Swing DoorPublished product detail
Door Thickness35 to 60 mm (standard)Published product detail
Opening DirectionAll Direction (reversible lever design)Published product detail
Net Weight2.5 kgPublished product detail
Gross Weight3.0 kgPublished product detail
Product Dimensions (H×W×T)Exterior: 330.9×75.2×25.3 mmPublished product detail
Package Dimensions (L×W×H)225.0×130.0×430.0 mmPublished product detail
Operating Temperature-20°C to 55°C (-4°F to 131°F)Published product detail
Operating Humidity10% to 90% RH (Non-condensing)Published product detail
CertificationsCE, FCCPublished product detail
Standard FunctionsUnlock, Temporary Passcode (dynamic, periodic), Anti-Peeping Codes (up to 20 digits), Passage Mode, Tamper Alarm, Low Battery Alarm, Continuous Authentication Error Alarm, Firmware OTAPublished product detail
Package ContentsExterior Assembly, Interior Assembly, Mortise Kit, IC Card * 2, Mechanical Key * 2, Studs & Screws Kit, Installation Template, Installation GuidePublished product detail
Product categoryHotel access productPublished product detail
Axle distance72 mmExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Square spindle7.8 mmExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
User capacity100 users; 100 passcodes; 100 cards; 500 local recordsExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
CommunicationZigbee 3.0 (IEEE 802.15.4)Exact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Emergency powerUSB Type-C, DC 5VExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Power supply8 × AA alkaline batteries, not providedExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Door thickness35–60 mm, standard wooden swing doorExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Operating temperature−20°C to 55°CExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Operating humidity10%–90% RH, non-condensingExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.
Net weight2.5 kgExact model datasheet; manufacturer values. PDF contents read on 2026-10-12.

Qualification scope

Request the model-specific certificate number, test report and applicable door-assembly documentation.

Documents and installation guidance

  1. SL03-T420H_Installation Guide_20250904

    Exact model / series explicitly named in document. PDF contents downloaded and read.

  2. SL03-T420H_Apartment Lock_Datasheet_20250904

    Exact model / series explicitly named in document. PDF contents downloaded and read.

Configuration and procurement checks

Unpublished or unverified items

  • Official installation guide read; confirm the ordered revision, paired-model scope and Malaysia project acceptance.

Malaysia project acceptance

  1. Check the ordered product against your measured door or accessory schedule, then test an installation sample.
  2. Before rollout, test the actual software and what happens at checkout, when a credential is lost and when power fails.
  3. Ask the quotation to name the installer and set out the applicable local documents, warranty and service coverage.

Original evidence pages

  1. Exact product / document source 1

Reviewed 2026-10-12.