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Appendix LB800

Product catalog summary

Introduction
The LB800 Series Zener Safe Barrier is designed for use in industries such as metallurgy, chemical, and medicine where explosion-proof protection is necessary. It can be connected with an intrinsic safe version transmitter to form an explosion-proof system.

Specifications

Explosion-proof rating: Exia CT6Ⅱ
Maximum available voltage: 250VDC/AC
Installation position: Safe area (non-explosion-proof area)
Installation method: Copper batten
Dimensions: 25×4×L (width×thickness×length) mm
Installation dimension: M4 bolts distance 20mm
Operating environment: Temperature -20 to 50℃, Relative humidity 5% to 95%

Safe Parameters
The document provides detailed specifications for different models, such as LB802 and LB830S, including parameters like polarity, channel type, terminal resistor, working voltage, and maximum voltage.

Construction
The LB800 Series features a flame-retardant plastic housing with the circuit enclosed in flame-retardant epoxy resin. This design prevents abnormal contact and isolates external contact. The wiring terminals are clearly marked with intrinsic safe signs and are protected by a cap. The construction complies with GB3836.4 regulations.

Outline Dimension
The dimensions for the 6-terminal housing are 70×38×53 mm, and for the 4-terminal housing, they are 70×33×53 mm. Both have an installation dimension of 20mm.

Terminal Definition
For the 6-terminal housing, terminals 2, 4, and 6 are intrinsic safe wiring terminals, while 1, 3, and 5 are non-intrinsic safe. For the 4-terminal housing, terminals 3 and 4 are intrinsic safe, and 1 and 2 are non-intrinsic safe. The default product is a 6-terminal version unless specified otherwise in the order.

Catalog excerpts

LB800 Series Zener Safe Barrier LB800 Series Zener Safe Barrier Introduction The safe barrier is widely used for metallurgy, chemi-industry, medicine fields which needs to do explosion-proof protection. It could be connected with intrinsic safe version transmitter to form explosion-proof system. Specifications Ex-proof: ExiaⅡCT6 Max. available voltage: 250VDC/AC Installation position: safe area non ex-proof area Installation method: copper batten Dimension 25×4×Lwidth×thickness×lengthmm Installation dimension: M4 bolts distance 20mm Environment: constant operation temperature: -2050℃ relative humidity: 5%95% Specification: Safe parameter Workin Terminal http: //www.microsensor.cn Add: No.18,Yingda Road Baoji,P.R.China, 721006 Tel: +86 917 3600739/3600832

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LB800 Series Zener Safe Barrier dangerous area safe area Construction LB800 Series Zener Safe Barriers use integrated outline and installation dimension, the housing is made by pressing flame retardant plastic; the whole safe barrier’s circuit is putting in the housing, and enveloped by flame retardant epoxy resin to prevent inner components contacting abnormally and isolating outer contacting. Wiring terminals with obvious intrinsic safe sign are protected by protection cap, the distance between terminals, creepage distance of housing, painted board and enveloped materials and clearance conform...

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LB800 Series Zener Safe Barrier Terminal Definition 6-terminal housing: intrinsic safe wiring terminal 2, 4, 6 Non-intrinsic safe wiring terminal 1, 3, 5 4-terminal housing: intrinsic safe wiring terminal 3, 4 Non-intrinsic safe wiring terminal 1, 2 Note: If the user wants to use 4-terminal safe barrier, please note in the order; the default product is 6-terminal product. http: //www.microsensor.cn Add: No.18,Yingda Road Baoji,P.R.China, 721006 Tel: +86 917 3600739/3600832

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