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2012H

更新时间：2025-07-10 07:59:29

品牌：SYSTEMSENSOR

描述：Direct-Wire Smoke Detector with Built-in Relay and Horn

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2012H 概述

Direct-Wire Smoke Detector with Built-in Relay and Horn 直接线烟感探测器，带内置继电器和非洲之角

2012H 数据手册

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2012H Direct-Wire

Smoke Detector with

Built-in Relay and Horn

Model

2012H

Photoelectronic Detector

2012H

Photoelectronic

Smoke Detector

Required Accessory

A77-727-01 12 VDC power supply

(required for system to be

UL listed)

Product Overview

12 VDC operation, 4-wire

Compact, attractive, and easy to install, the System Sensor 2012H detector is

designed to respond to a broad range of ﬁres while providing maximum stability. This

model also features low-voltage wiring making it ideal for applications such as apart-

ment buildings and nursing homes.

Built-in 85dB electronic horn with

temporal (3) tone

Built-in, normally open relay can be

connected to lights, bells, horns,

or remote annunciator

Features. The System Sensor 2012H photoelectronic detector is designed prima-

rily for applications where low-voltage Class 2 wiring may be used. This detec-

tor is non-latching and offers an 85dB alarm horn. The 2012H features the

NFPA72 required audible emergency evacuation signal referred to as temporal

(3) tone. An external push button provides a test of the detector's alarm func-

tion. Up to 12 units can be interconnected so that if one detector alarms, all

detectors alarm. A normally open auxiliary alarm relay with an 8 second delay

is available for controlling external functions. A visible LED indicator ﬂashes

once every 30 seconds in standby and rapidly (every 0.5 seconds) in alarm

when detecting smoke. The detector offers low-voltage operation and a tamper-

proof feature. Screw terminals and a mounting bracket are provided for easy

installation.

Interconnectable up to 12 units

Visual alarm and power indicator

Ceiling white color

Built-in 8 second delay on relay output

Built-in test switch

Twist-on mounting bracket with

tamper option for easy installation

Rugged chamber design for greater

stability

3-year warranty

General Specifications

Residential Smoke Detector Placement

Size

As deﬁned in NFPA72 “Smoke detectors shall be installed outside of each separate

sleeping area in the immediate vicinity of the bedrooms and on each additional story

of the family living unit, including basements and excluding crawlspaces and unﬁn-

ished attics. In new construction, a smoke detector shall also be installed in each

sleeping room”.

1.75″ H x 5.5″ dia.

(44.5 mm h x 140 mm dia.)

Weight

5.3 oz. (150 grams)

Humidity Range

10% to 93% RH, noncondensing

Electrical Ratings

Operating Voltage

12 VDC (nominal)

Standby Current

60 µA maximum average

Temperature Range

32° to 120°F (0° to 50°C)

Relay Contact Rating

Alarm Current

1 Form A, .5 A @ 30 VDC

20 mA maximum average @ 12 VDC

2012H Wiring Diagram

Maximum power bus length (in feet), given number

of units (maximum per bus) and wire size.

A77-727-O1

RED

(+)

BLACK

Wire Gauge

1 Unit

14 AWG 16 AWG 18 AWG

12VDC POWER

SUPPLY

12OVAC

BLACK

(–)

5000

2970

1980

1485

1188

990

3735

1867

1245

933

747

622

533

466

415

373

339

311

2349

1174

783

587

469

391

335

293

261

234

213

195

GRAY

2 Units

3 Units

4 Units

5 Units

6 Units

7 Units

8 Units

9 Units

10 Units

11 Units

12 Units

(+) (–)

POWER INPUT

(+) (–)

POWER INPUT

(+) (–)

POWER INPUT

SIGNAL

GROUND

SIGNAL

GROUND

AUXILIARY

848

742

660

594

540

495

(+) (–)

POWER INPUT

(+) (–)

POWER INPUT

(+) (–)

POWER INPUT

SIGNAL

GROUND

SIGNAL

GROUND

SIGNAL

GROUND

Maximum interconnect bus length:

5,000 FT., No. 18AWG or larger dual

conductor cable.

Auxiliary

Alarm Relay

AUXILIARY

All wiring must conform to local electrical codes.

Interconnect Up To

12 Detectors

Ordering Information

Part Number

2012H

Description

Photoelectronic smoke detector with relay, 12 VDC, multiple station

A77-727-01

12 VDC power supply, mounts to a 4″ square box, 2 ⁄

″ deep

System Sensor Sales and Service

System Sensor Headquarters

3825 Ohio Avenue

St. Charles, IL 60174

Ph: 800-SENSOR2

Fx: 630/377-6495

Documents On Demand

1-800-736-7672 x3

System Sensor Canada

Ph: 905.812.0767

Fx: 905.812.0771

System Sensor in China

Ph: 011.86.29.524.6253

Fx: 011.86.29.524.6259

System Sensor– Far East

Ph: 011.852.2191.9003

Fx: 011.852.2736.6580

System Sensor UK

Ph: 011.44.1403.276500

Fx: 011.44.1403.276501

System Sensor in Singapore

Ph: 011.65.273.2230

Fx: 011.65.273.2610

System Sensor– Australia

Ph: 011.613.54.281.142

Fx: 011.613.54.281.172

www.systemsensor.com

A05-238-03•6/99(10K)•#475

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