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Liebert micro smart switch manual

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Table of contents for the manual

  • Page 1

    M ICR O S MAR T S WITCH U SER M ANUAL D UAL I NPUT P OWER D ISTRI BUTIO N 200 V AC t o 2 40 V AC 50/60 Hz 24 Amp s DISCONTINUED PR ODUCT[...]

  • Page 2

    General De scripti on The Liebert Micro SmartSwitch (MSS) is a single Phase Dual Input rack mount- able Power Distribution Unit (PDU) with a built in Automatic Transfer Switch. When Input A falls below 168 V AC and Input B is valid, the output is automati- cally tran sferred t o Inpu t B. The out put is tran sferred back to Input A when Input A is [...]

  • Page 3

    About This Device This guide serves as an outline to assist Qualified personnel with the in stallation of the Liebert Micro SmartSwitch. The input voltage for this Micro SmartSwitch unit is 200V AC to 240V AC. This Micro SmartSwitch includes the fo llowing features: • Mounts in 1U of r ack space • Provides 12 receptacles on 4 circuit breakers ?[...]

  • Page 4

    IMPORT ANT SAFETY INSTRUCTIONS SA VE TH ES E INST RUCTI ON S. This manual contains important i nstructions that shoul d be closely followed dur- ing in stallat ion and mainte nance of this product. This product is designed for Commercial/Industrial use only . It is not intended for use with l ife support and other U. S. F DA des i g nated “critic[...]

  • Page 5

    Inst allation Place rear rail [R] ov er the studs in the f ront rail [F]. T ighten nuts finger tight. The mounting tab [T] will be facing out, so the holes align with the rack sides. Adjust length of rail assembly to fit inside rack. Tigh ten either the wing nuts or hex n uts . Insert cage n ut (one o n each side) in r ack. Set ho oks at rear o f r[...]

  • Page 6

    Ground Bond ing Scre w A grou nd bond- ing screw is pr o- vided on the rear of the unit. This feature is pro- vided as a n attachment point for condu ctors the rack may contain for the purpos e of func- tion al ground ing or bon di ng of ungroun ded metal parts. Ground cabl es are not included. Note: T he Ground Bondin g wire m ust be a mini mum of[...]

  • Page 7

    About the Circuit Breakers Input power can b e verified by the illumination of the two LEDs o n the front of the u nit, marked ~A and ~B. Output pow er can be ve rified by the illumination of the circuit breaker , when in the On positio n If connected de vice is not powered, v erify the res p ective cir cuit breaker is On and illuminated. If power [...]

  • Page 8

    Configurations The Micro SmartSwitch can be conf igured to f it several pow er distr ibution requirem ents. Configuration 1 This application shows us e of the Micro Sm artSwitch in conjunction with single- line co rd devices . Note: Each segmen t can accommodate a maxi mum current draw of 10A, so the ind i vidual load co nnected to it must n o t ex[...]

  • Page 9

    Configuration 3 This configuration shows the use of a Micro SmartSwitch with 2-lin e cord de vices . In this configuration, a server is connected to each of the four s egments of the Micro SmartSwitch. Note: Each segment can accommod ate a max imum cur- rent draw of 10A, so the indivi d- ual load connected to it must not exceed 10A or the circu it [...]

  • Page 10

    Liebert Model Name Micro SmartSwitc h Part Number MSS30A-240 Unit Dimensions (H x W x D) in 1.72 x 17.0 0 x 15 .25 in (mm) (43.7mm x 432mm x 387mm) Unit W eight: lbs.(kg) 20.0 lbs.(9.7kg) Shipping W eight: lbs.(kg) 32.0 lbs.(14.55kg) LED Indictors Input A (Primary) / Inpu t B (Secondary ) Nominal Input Voltage Range 200 – 240VAC On-Line Voltage R[...]

  • Page 11

    DISCONTINUED P R O D U C T[...]

  • Page 12

    The Comp any Behind the Produc ts With o ver a milli on ins tallat ions aroun d the g lob e, Lieb ert is th e wor ld leade r in com pute r protec tion syst ems. S ince i ts f ound ing in 1965 , Liebe rt ha s devel ope d a com plete rang e of supp ort and prot ecti on sys tems f or sen siti ve el ectr onic s: • Envir onme ntal syste ms— close- c[...]