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C&D Technologies UPS6-620MR Battery
C&D Technologies UPS6-620MR Battery
C&D Dynasty UPS6-620MR Battery - 6V 199 Ah High Rate Max AGM
Warranty
The Only 6V Block in the Line
- Top terminal, 1/4-20 UNC at 110 in-lbs - 12.4 N-m on a threaded insert, the same hardware the larger 12V blocks use.
- Float charge on a 6V unit - 2.25 to 2.30 volts per cell, which is 6.75 to 6.90 volts per block, held inside a 6.65 to 7.25 volt window once the string has floated 24 hours.
- Absorbent glass mat, recombination up to 99% - sealed and maintenance free, with a patented UL-recognized flame-arresting vent in each of the three cells.
- Recognized and standards-listed - a UL-recognized component carrying UL1778, UL 924, UL 1989 and UL 94 V-2, with BS6290-4 and IEC-896-2 alongside them.
- Patented Long Life Alloy grid - C&D's low-calcium alloy in a UL94-V2 flame retardant case thermally welded to its cover.
Technical Specifications
| C&D UPS6-620MR Specifications | |
|---|---|
| Part Number | UPS6-620MR (also searched as UPS6 620MR, UPS6620MR; sold under the C&D Dynasty brand) |
| Series | UPS High Rate Max (MR), retired by C&D |
| Battery Type | AGM, valve regulated lead acid (VRLA), high rate |
| Nominal Voltage | 6V (3 cells per unit) |
| Nominal Capacity | 199 Ah at the 20-hour rate to 1.75 VPC at 25°C (77°F) |
| Watts Per Cell | 620 W per cell at the 15-minute rate to 1.67 VPC at 77°F |
| Constant Power to 1.75 VPC | 862 W/cell at 5 min, 681 at 10 min, 573 at 15 min, 497 at 20 min, 392 at 30 min, 238 at 60 min, 169 at 90 min |
| Constant Power to 1.67 VPC | 938 W/cell at 5 min, 747 at 10 min, 620 at 15 min, 530 at 20 min, 410 at 30 min, 245 at 60 min, 174 at 90 min |
| Terminal Type | Top terminal, threaded insert, 1/4-20 UNC bolt |
| Terminal Torque | 110 in-lbs (12.4 N-m) |
| Length | 12.63 inches (320.8 mm) |
| Width | 6.97 inches (177 mm) |
| Height | 8.82 inches to case top (224 mm) |
| Total Height | 8.94 inches over terminals (227.2 mm) |
| Weight | 72 lbs (33 kg) |
| Short Circuit Current | 4,350 A at 0.1 second |
| Impedance | 0.0012 ohms at 60 Hz (reference figure; C&D recommends individual baselines) |
| Nominal Operating Temperature | +74°F (+23°C) to +80°F (+27°C) |
| Design Life | 10 year design life at 25°C (C&D) |
| Warranty | 3 years at 25°C (77°F) (C&D Form 41-9027, UPS High Rate Max series) |
| Minimum Order | 4 units |
Where This Battery Is Used
- UPS strings built on 6V granularity - plants where the system voltage does not divide cleanly into 12V blocks.
- Data centers and internet housing sites - ride-through power on cabinets originally specified around the 6V unit.
- Testing laboratories and 911 centers - standby plant where a failed block takes out 6 volts of string instead of 12.
Ordering and Freight
Frequently Asked Questions
How many cells are in a UPS6-620MR?
Three, at a nominal 2 volts each. C&D's additional-data table prints the cell count per unit, and this is the only model in the High Rate Max range that shows three. It matters for every calculation that runs per cell: the 620 watt figure is per cell, so a block delivers 1,860 watts at fifteen minutes, and a freshening charge at 2.4 volts per cell is 7.2 volts at the terminals, where a 12V block takes 14.4.
How many UPS6-620MR blocks make a 48V string?
Eight, against four of any 12V block. That doubles the connection count and the interunit cable runs for the same string voltage, and it is the trade for finer voltage granularity and for a failure that costs 6 volts of string instead of 12. Allow half an inch between cases and number every block at installation, because there are twice as many to keep track of on a maintenance round.
Why is the impedance so much lower than on the 12V blocks?
Three cells in series instead of six. C&D publishes 0.0012 ohms at 60 Hz for the UPS6-620MR against 0.0023 for the UPS12-540MR and 0.0034 for the UPS12-600MR. The figure is marked for reference only in every case. Eight 6V blocks in series and four 12V blocks in series land in the same neighborhood overall, so the per-block number is not a performance comparison between the two layouts.
When is a 6V block the right call over a 12V one?
When the existing plant was designed around it, and when the system voltage needs a step size of 6. C&D's installation guide puts typical standby systems between 12 and 480 VDC. C&D built one 6V block in this line against twelve 12V ones, so a new design has more of the line to choose from at 12V. If you are building fresh and not matching an existing string, a specialist should price both layouts before the rack is ordered.
Send the quantity, your delivery ZIP and your requested-by date. A specialist confirms availability, the warranty term, volume pricing and freight in writing, with no obligation to buy.
Call 1-877-775-4381 · battery specialists, not a call centerWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov (State of California only).
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