Datasheet > PGA-LS20

PGA-LS20

更新时间： 2024-11-07 14:56:47

品牌	Logo	应用领域
力特 - LITTELFUSE		继电器光纤传感器
页数	文件大小	规格书
2页	260K
描述
PGA-LS20是一款电弧检测光纤传感器配件，与PGR-8800继电器结合使用，用于收集广角光线。该传感器重量为1.5kg。

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PGA-LS20 数据手册

Arc-Flash Detection

PGA-LS20 Series

Fiber Optic Sensor

Description

The PGA-LS20 series is an arc-detection, fiber-optic sensor that is designed to detect arcs along its entire length. This

sensor is meant to be installed with the fiber along the back wall of switchboards to form the detection range across all

compartments with just one sensor. The sensor is positioned to allow direct line of sight to all powered connections where

an arc could develop. The sensor is capable of detecting the light from an arc flash from all angles. The detection radius is

dependent on the arc power. The sensor is calibrated at the factory for 60 cm (24 in) of fiber in each monitored

compartment. When using a fiber-optic sensor in compartments with less than 60 cm (24 in) of fiber, the sensitivity may

have to be adjusted so that the sensor will detect arcs of 3 kA or more. This fiber-optic sensor and the arc-flash relay

provide superior protection against the damaging effects of arc flashes and improve the lifespan of electrical equipment

as well as the protection of personnel.

Features & Beneﬁts

FEATURES

BENEFITS

Direct line of sight

Fiber-optic material

Length: 8 m active, 10 m total

Improves detection capability

Rugged and flexible 5 cm bending radius

Enhances usage

Applications

• For use with Littelfuse arc-ﬂash relays

Speciﬁcations

Type

Fiber-optic sensor

Detection Zone

Output

Electrical Cable

Factory Cable Length

360° along fiber

0–35 mA

Shielded 3-wire 20 AWG (0.5 mm²) electrical cable

8 m (26 ft) active;10 m (33 ft) total (2 m (7 ft) shielded)

2 x 10 m (33 ft) electrical cable

Max. Elec. Cable Length

Sensor Check

Dimensions

50 m (164 ft)

Built-in LED for visual feedback

Transmitter and Receiver: 32 x 56 x 19 mm (1.3 x 2.2 x 0.7 in)

IP 30

Enclosure

Littelfuse.com/PGA-LS20

Speciﬁcations are subject to change without notice.

Revised: 06/08/2023

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