Datasheet > 4WITAR-B

4WITAR-B

更新时间： 2024-01-11 19:24:40

品牌	Logo	应用领域
SYSTEMSENSOR		继电器
页数	文件大小	规格书
2页	184K
描述
Smoke Detectors with Sounder and Relay Option

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中文翻译

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技术参数
数据手册

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4WITAR-B 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	ROHS COMPLIANT
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8536.69.40.40	风险等级：	2.29
其他特性：	LOW PROFILE	连接器类型：	BOARD CONNECTOR
联系完成配合：	NOT SPECIFIED	触点性别：	MALE
触点材料：	NOT SPECIFIED	DIN 符合性：	NO
滤波功能：	NO	IEC 符合性：	NO
MIL 符合性：	NO	混合触点：	NO
安装方式：	STRAIGHT	安装类型：	CABLE
装载的行数：	1	选件：	GENERAL PURPOSE
端子节距：	1.5 mm	端接类型：	CRIMP
触点总数：	4	UL 易燃性代码：	94V-0
Base Number Matches：	1

4WITAR-B 数据手册

Smoke Detector Specifications

Electrical Speciﬁcations

LED Modes

LED Mode

Power up

Operating Voltage

Nominal: 12/24 V non-polarized

2-wire: 8.5 V - ꢀ5 V

Green LED Red LED

Condition

Duration

Blink every Blink every 10 Initial LED

80 seconds

4-wire: 10 V - ꢀ5 V

10 seconds seconds

status

Maximum Ripple Voltage ꢀ0% of applied voltage (peak to peak)

indication

Standby Current

2-wire: 50 µA maximum average

4-wire: 50 µA maximum average

Normal

(standby)

Blink every 5 oﬀ

seconds

Peak Standby Current

Maximum Alarm Current

2-wire: 100 µA

4-wire: n/a

Out of

sensitivity

oﬀ

Blink every 5

seconds

2-wire: 2WTR-B: 1ꢀ0 mA limited by control

panel

2WTA-B: 1ꢀ0 mA**

4-wire: 4WTA-B, 4WTR-B: ꢀ5 mA

4WTAR-B, 4WITAR-B: 50 mA

**Direct Power (Non-reverse Polarity): 1ꢀ0

mA limited by panel. Reverse Polarity Power:

ꢀ0 mA for the 2WTA-B in alarm; 12 mA for all

other 2WTA-B units on the loop. Add 25 mA

for the RRS-MOD reversing relay alarm current.

Freeze

trouble

Blink every 10

seconds

Alarm

Solid

Power Up Sequence for LED Indication

Condition

Duration

Initial LED

status

indication

80 seconds

Architect/Engineer Speciﬁcations

Alarm Contact Ratings

2-wire: n/a

4-wire: 0.5 A @ ꢀ0V AC/DC

Smoke detector shall be a System Sensor i3 Series model number_______,

listed to Underwriters Laboratories UL 268 for Fire Protection Signaling

Systems. The detector shall be a combination photoelectric/thermal

equipped with a sounder (model 2WTA-B, 4WTA-B), a Form C relay (model

2WTR-B), a combination sounder/relay (model 4WTAR-B) or an isolated

thermal/sounder/relay (model 4WITAR-B). The detector shall include a

mounting base for mounting to ꢀ½-inch and 4-inch octagonal, single gang,

and 4-inch square back boxes with a plaster ring, or direct mount to the

ceiling using drywall anchors. Wiring connections shall be made by means

of SEMS screws. The detector shall allow pre-wiring of the base and the

head shall be a plug-in type. The detector shall have a nominal sensitivity

of 2.5% per foot nominal as measured in the UL smoke box. The detector

shall be capable of automatically adjusting its sensitivity by means of drift

compensation and smoothing algorithms. The detector shall provide dual

color LED indication which blinks to indicate power-up, normal standby, out

of sensitivity, alarm, and freeze trouble conditions. When used in conjunction

with the 2W-MOD2 module, 2-wire models shall include a maintenance

signal to indicate the need for maintenance at the alarm control panel, and

shall provide a loop testing capability to verify the circuit without testing each

detector individually. When used in conjunction with the RRS-MOD module,

all i^ꢀsounder models on a loop shall sound when one alarms, all shall be

synchronized, and all sounders may be silenced from the panel.

Form C Contact Ratings

2A @ ꢀ0V AC/DC

Physical Speciﬁcations

Operating Temperature

Range

ꢀ2°F–100° F (0°C–ꢀ7.8° C)

Operating Humidity

Range

0 to 95% RH non-condensing

Thermal Sensor

Freeze Trouble

Sensitivity

1ꢀ5° F (57.2° C) ﬁxed

41° F (5° C)

2.5%/ft. nominal

14–22 AWG

Input Terminals

Dimensions (including

base)

5.ꢀ inches (1ꢀ4 mm) diameter, 2.0 inches (51

mm) height

Approximate Weight

7.1 oz. (200 grams)

Sound Pressure Output

85 dBA (models 2WTA-B, 4WTA-B, 4WTAR-B,

and 4WITAR-B only)

Mounting

ꢀ½-inch octagonal back box, 4-inch octagonal

back box, Single gang back box, 4-inch square

back box with a plaster ring, Direct mount to

ceiling

Ordering Information

Model

Thermal

Wiring

Alarm Current

Model

Description

2WTA-B

Yes

2-wire

1ꢀ0 mA max. limited by

control panel

RRS-MOD

2W-MOD2

SENS-RDR

Reversing relay/synchronization module

2-wire loop test/maintenance module

Sensitivity reader

2WTR-B

Yes

2-wire

1ꢀ0 mA max. limited by

control panel

Removal/replacement tool

Retroﬁt adapter bracket

4WTA-B

4WTR-B

4WTAR-B

4WITAR-B

Yes

4-wire

ꢀ5 mA

50 mA

A77-AB2

ꢀ825 Ohio Avenue • St. Charles, IL 60174

Phone: 800-SENSOR2 • Fax: 6ꢀ0-ꢀ77-6495

Product speciﬁcations subject to change without notice. Visit systemsensor.com for

current product information, including the latest version of this data sheet.

A05-0ꢀ48-00ꢀ • 7/06 • #1676

中文翻译

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