MBS-Tower-1-3K External Maintenance Bypass Switch
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Product Specifications
- Current Rating: 16A/16A or 16A/10A
- Voltage Rating: 16A max. for 208/220/230/240 VAC, 20A max. for
110/115/120/127 VAC - Physical Dimensions (DxWxH mm): 180 x 160 x 50
- Net Weight: 1.3 kgs
- Output Receptacle: IEC Schuko UK NEMA
Product Usage Instructions
Installation and Operation Inspection
1. Remove the unit from the shipping package and inspect for
damage.
2. Notify the carrier and place of purchase if any damage is
found.
3. The shipping package contains: Maintenance bypass switch
module x 1, Quick guide x 1, Mains power cord x 1.
Connect to the Wall Outlet
1. Plug the input power cord of the unit into the wall
outlet.
Connect UPS
1. Connect a power cord from UPS input to UPS input socket on
the unit.
2. Use one power cord to connect UPS output to UPS output socket
on the unit.
Operation – Transfer to Maintenance Bypass
1. Ensure utility power is normal before transferring to
maintenance bypass.
2. Transfer the rotary bypass switch from Normal to Bypass.
3. All connected devices are now powered by utility power
directly.
4. Turn off the UPS and disconnect the cables connecting to UPS
for servicing.
Operation – Transfer to UPS Protection
1. After maintenance service, ensure UPS operation is
normal.
2. Reconnect UPS to the unit following the Installation
Section.
3. Transfer the rotary bypass switch from Bypass to Normal.
4. All connected devices are now protected by UPS.
Frequently Asked Questions (FAQ)
Q: What should I do if I find damage on the unit during
inspection?
A: Notify the carrier and place of purchase immediately if any
damage is found during inspection.
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PDU & Maintenance Bypass Switch Module
1. Introduction The product is used as an external power distribution unit in conjunction with UPS systems or large-scale voltage regulators. It allows to manually transfer the connected equipment to utility power via a bypass switch, permitting scheduled maintenance or UPS replacement without power interruption.
2. Product Overview
Quick Guide
V. 2.1
Output receptacle Socket to UPS output Socket to UPS input Bypass switch AC input Circuit breaker
3. Installation and Operation Inspection Remove the unit from the shipping package and inspect it for damage that may occur during transportation. Notify the carrier and place of purchase if any damage is found. The shipping package contains: Maintenance bypass switch module x 1 Quick guide x 1 Mains power cord x 1
Connect to the Wall Outlet Plug the input power cord of the unit to the wall outlet.
Connect UPS Connect a power cord from UPS input to UPS input socket on the unit. Use one power cord to connect UPS output to UPS output socket on the unit.
Online UPS
4. Operation Transfer to Maintenance Bypass Before transferring to maintenance bypass, make sure the utility is normal. Transfer the rotary bypass switch from “Normal” to “Bypass”. At this time, all connected devices are powered by the utility power directly. You may turn off the UPS and disconnect two cables connecting to UPS. Then you may now service the UPS.
Transfer to UPS Protection After maintenance service is done, make sure the UPS operation is normal. Then, reconnect UPS to the unit by following Installation Section. Then, transfer the rotary bypass switch from “Bypass” to “Normal”. Now, all connected devices are protected by UPS.
5. Important Safety Warning (SAVE THESE INSTRUCTIONS) To safely operate this unit, please read and follow all instructions carefully. Read this manual thoroughly before attempting to unpack, install, or operate. You may keep this quick guide for further reference. CAUTION: The product must be used indoor only. CAUTION: Do not place the unit near liquid or in an excessively damp environment. CAUTION: Do not place the product directly in the sun or near a hot source. CAUTION: Do not let liquid or foreign objects enter the product. CAUTION: Ground the product using a 2P + ground sockets. CAUTION: When installing the product, ensure that the sum of the leakage currents of the product and the devices it supplies not exceed 3.5mA.
6. Specifications
16A/16A or 16A/10A
Connect Equipment Connect all equipment to output of the unit. Please refer to below chart for detailed equipment connection.
Current Rating
Voltage Rating Physical Dimension (DxWxH mm)
Net Weight (kgs)
IEC Schuko UK NEMA
16A max. for 208/220/230/240 VAC 20A max. for 110/115/120/127 VAC 208/220/230/240 VAC or 110/115/120/127 VAC
180 x 160 x 50 180 x 200 x 50 180 x 200 x 50 180 x 160 x 50
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Documents / Resources
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FSP Power Solution MBS-Tower-1-3K External Maintenance Bypass Switch [pdf] User Guide MBS-Tower-1-3K, MBS-Tower-1-3K External Maintenance Bypass Switch, MBS-Tower-1-3K, External Maintenance Bypass Switch, Maintenance Bypass Switch, Bypass Switch, Switch |