MB/MD Distribution Board MG Flush Surround for Series 2

MB/MD Distribution Board MG Flush Surround for Series 2

MB/MD Distribution Board MG Flush Surround for Series 2

Item Number: FSE2

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Qty UoM EAN Colour



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EU RoHS Directive

Not applicable, out of EU RoHS legal scope


Package 1 Weight

1 kg
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Frequently Asked Questions

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What is the part number for the stainless steel flush plate for the 2510 Type F and Type K manual controllers?

Stainless steel flush plate or cover for the 2510F/2510K

Product Line:
Manual Starters and Switches

Accessories, Modifications, and Replacement Parts

Select from the following based on device used:

Type F Standard Unit without pilot light; 31058-007-01
(FS1, FS2, FS3 FS4)

Type F Standard Unit with pilot light; 31058-007-03
(FS1P, FS2P, FS3P, FS4P)

Type F Jumbo Unit with pilot light; 31058-006-04

Type F Two Starter Units; 31058-008-05
(FS22P & FS44P)

Type F Auto-Off-Hand Unit (Series C only); 31058-008-13
(FS71P, FS72P, FS74P)

Type K Unit without pilot light - 31058-007-02
(KS1, KS2, KS3, KS4)

Type K Unit with pilot light - 31058-007-04
(KS1A, KS1B, KS2B, KS2C, KS3A, KS3B, KS4B, KS4C)

Type K Jumbo Unit with pilot light - 31058-006-05

Smart-UPS VT; What is our minimum rear clearance


What is our minimum rear clearance for Smart-UPS VT products
Product line:
Smart-UPS VT ISX 19” Rack Mounted, and Tower VT 10-40kVA
All Product models, all serial numbers
ISX 19” Rack Mount models; we recommends 36" for the rear of the cabinet, so that the rear doors may be opened and FSE can perform service. The absolute minimum for air flow is 4". To fully open the rear split doors it requires about 11". If the unit has a transformer built in, then NEC need to be followed. Please check with local code requirements.
Standard Tower VT models = 4" rear clearance
Referred to link below:

BMS AP9921X-AP9922; alarms "Battery Thermal Runaway"

BMS AP9921X-AP9922; alarms "Battery Thermal Runaway"

Product line:
Battery Management System (BMS) AP9921X & AP9922

All models, all serial numbers

The response current is higher than the configured value. Default: 20% higher than the benchmark, or greater than 95°F. A thermal runaway occurs when oxygen and hydrogen fail to recombine at the positive plates in the cells of a VRLA battery. Without recombination, the battery cannot maintain the electrolyte level and the cell voltage decreases, causing the charge current to increase.
This alarm indicates that there is potential for a thermal runaway. It does not indicate that a thermal runaway is occurring. Inspect the battery. Closely monitor the battery to ensure that thermal runaway does not occur. If random batteries occasionally generate Battery Thermal Runaway alarms, the Charge Current Deviation from Benchmark setting (default 30%) may be too close to the normal deviation range of the battery string. To reconfigure this value, see Charge Current Deviation from Benchmark.
If a specific battery causes repeated alarms (especially if the alarms have increasing deviation percentages), the battery is failing. Replace the battery.
Note: Any time a battery is replaced FSE must reset the battery base-line or benchmark. System>Reset> Reset Charge Current Deviation Benchmark; check this off and apply when replacing batteries.
Note: a setting tighter than default 30% could cause false alarms.

Test the battery, replace battery.
If battery has been replaced and above procedure not done you could get false positives for battery thermal runaway. If the battery meters ok with cell recorder then have FSE reset its Charge Current Deviation Benchmark in the BMS GUI/ web interface. You can also check the setting or adjust it to a higher value maybe 35-40% sees is false alarms clear. Charge Current Deviation from Benchmark alarm threshold setting can be found in the Web GUI under the System>Configuration>Alarms tab.