Long

Long MSK400 · Telecom battery 2V 400Ah

Reference: BOL-LONG-MSK400

Long MSK400: telecom battery with 2 V and 400 Ah, measuring 197 × 170 × 342.5 mm.

Voltage
2V
Capacity
400Ah
Technology
AGM
Dimensions (L × W × H)
197 × 170 × 342.5 mm
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Who the Long MSK400 is for

The Long MSK400 is a front-terminal battery for telecommunications: a narrow format for 19 and 23 inch racks, with the terminals accessible from the front. Its elongated format allows tray mounting with front connection.

The MSK400 belongs to the Long MSK Series range. The full range of Long batteries

Equivalents and alternatives to the Long MSK400

No other reference in the catalogue fully matches the dimensions and polarity of the MSK400; you will find the closest ones among our front-terminal telecom batteries.

Long MSK400 vs MSK440 and MSK300

What sets the MSK400 apart from its neighbours in the Long range:

ModelCapacityDimensions (mm)Weight
Long MSK400 (this one)400 Ah197 × 170 × 342.525.5 kg
Long MSK440440 Ah197 × 170 × 342.529.7 kg
Long MSK300300 Ah170 × 150 × 342.521.2 kg
  • Long MSK440: 40 Ah more, the same dimensions.
  • Long MSK300: 100 Ah less, a different case (170 × 150 × 342.5 mm).

AGM technology in the MSK400

The MSK400 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

Check this before ordering the Long MSK400

  • Measure the space: the MSK400 takes up 197 × 170 × 342.5 mm.
  • Capacity of the MSK400: 400 Ah; the same as your current battery or slightly more is fine.

Long MSK400 codes and part numbers

The MSK400 is listed under these codes on labels, in garages and in catalogues:

Commercial referenceMSK400
Not to be confused withLong MSK200 (200 Ah), Long MSK300 (300 Ah), Long MSK440 (440 Ah)

Frequently asked questions about the Long MSK400

Long MSK400 or MSK440?

Compared with the MSK400, the Long MSK440 has 40 Ah more. With 440 Ah, the MSK440 runs longer between charges than the MSK400 (400 Ah). Both measure 197 × 170 × 342.5 mm, so they fit the same tray.

How much does the Long MSK400 weigh?

The MSK400 weighs 25.5 kg. For reference, the Long MSK440 (440 Ah) weighs 29.7 kg.

Why are the terminals at the front?

So the batteries can be connected and checked without sliding them out of the rack tray. It is the standard in telecoms and data centres.

More batteries to compare with the MSK400

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