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C&D Technologies SGC12-125 Battery
C&D Technologies SGC12-125 Battery
C&D Technologies SGC12-125 Battery - 12V 126 Ah Switchgear and Control AGM
Warranty
Where the SGC Line Tops Out
- Float 13.5 to 13.8 VDC per unit - average at 77°F (25°C), moving to 14.4 to 14.8 VDC per unit for equalization and cycle service charging.
- Flame-arresting pressure-relief vent - a one-way vent on a UL94 V-0 case with a limiting oxygen index above 28 and self-extinguishing features.
- No free electrolyte - absorbent glass mat construction with gas recombination above 99 percent, so physical damage to a case does not spill acid into the cabinet.
- Six cells in one jar - a 120 volt bank is ten units in series instead of sixty individual 2 volt cells, which is what C&D means by minimizing connections.
- Six-month storage window - C&D allows storage up to six months at 77°F (25°C) before a freshening charge, less if the warehouse runs warmer; C&D brochure 41-7272 covers the detail.
Technical Specifications
| C&D SGC12-125 Specifications | |
|---|---|
| Part Number | SGC12-125 (also searched as SGC 12-125 and SGC12125; C&D prints the part as SGC 12-125 on its own datasheet) |
| Series | SGC switchgear and control, top terminal |
| Battery Type | AGM, valve regulated lead acid (VRLA), gas recombination of 99 percent plus |
| Nominal Voltage | 12V (6 cells per unit) |
| Nominal Capacity | 126.0 Ah at the 8-hour rate to 1.75 VPC at 77°F (25°C) |
| Constant Current to 1.75 VPC | 445.3 A at 1 min, 221.3 at 15 min, 145.2 at 30 min, 87.5 at 1 hr, 49.0 at 2 hr, 36.0 at 3 hr, 28.4 at 4 hr, 23.6 at 5 hr, 15.8 at 8 hr, 10.8 at 12 hr |
| Constant Current to 1.80 VPC | 370.8 A at 1 min, 202.1 at 15 min, 135.3 at 30 min, 82.5 at 1 hr, 15.2 at 8 hr |
| Constant Current to 1.85 VPC | 309.0 A at 1 min, 186.4 at 15 min, 121.7 at 30 min, 77.0 at 1 hr, 14.5 at 8 hr |
| Constant Current to 1.90 VPC | 275.0 A at 1 min, 172.1 at 15 min, 113.4 at 30 min, 71.0 at 1 hr, 13.4 at 8 hr |
| Maximum Discharge Current | 800 A |
| Short Circuit Current | 5,000 A at 0.1 second |
| Impedance | 0.0023 ohms at 60 Hz |
| Terminal Type | Top terminal, threaded copper alloy insert, 1/4-20 UNC by 3/4 inch screws |
| Terminal Torque | 110 in-lbs (12.4 N-m) |
| Length | 13.57 inches overall, 12.74 inches across the case body |
| Width | 6.80 inches overall, 6.63 inches across the case body |
| Height | 10.81 inches to the cover, 10.93 inches overall |
| Weight | 102.3 lbs (46.4 kg) |
| Float Charging Voltage | 13.5 to 13.8 VDC per unit average at 77°F (25°C) |
| Equalization Charging Voltage | 14.4 to 14.8 VDC per unit average at 77°F (25°C) |
| Maximum Charging Current | C/5 amperes at the 20-hour rate |
| Operating Temperature | Discharge -40°F to +160°F (-40°C to 71°C); charge -10°F to +140°F (-23°C to 60°C); normal +74°F to +80°F (23°C to 27°C) |
| Standards | UL recognized component; UL1778, UL924, UL1989, UL94; case and cover UL94 V-0, limiting oxygen index >28 |
| Transport | IATA/ICAO Special Provision A67 by air; non-hazardous under DOT 49 CFR parts 171-189 by surface; IMDG exception 238 by water |
| Rack Systems | RBW1T (48V, 4 jars, 1 tier) and RBW2T (120V, 10 jars, 2 tiers); RBW1TEQ and RBW2TEQ in seismic zones 1 to 4 |
| Design Life | No published figure on C&D's 2022 SGC datasheet |
| Warranty | 2 years full replacement (C&D Form RS02051, SGC series) |
| Minimum Order | 4 units |
Where This Battery Is Used
- Substation control houses - the 120 volt DC bus that feeds protection, metering and breaker operation across a whole lineup.
- Signaling and communication sites - locations sized for hours of reserve, where the 8-hour column is the design basis.
- Plant DC control systems - process and generation sites that hold control power up through a station service interruption.
Ordering and Freight
Frequently Asked Questions
How long will an SGC12-125 carry a 15 amp control load?
Past eight hours to 1.75 volts per cell at 77°F, where C&D publishes 15.8 amps. Raise the end point and the answer changes: at 1.90 volts per cell the eight-hour figure is 13.4 amps, so the same 15 amp load lands between the five-hour and eight-hour columns. Substation duty cycles are rarely flat, so send the profile, the ambient and the end point your charger is set to and a specialist works it against the table.
Which racks does C&D list for an SGC12-125 bank?
C&D's rack selection matrix groups the SGC 12-70, 12-80, 12-90 and 12-125 on the RBW models: RBW1T for a single tier of four jars at 48 volts, RBW2T for two tiers of ten jars at 120 volts, with RBW1TEQ and RBW2TEQ as the seismic versions for zones 1 through 4. The two small jars in the line use the RBN racks instead. Rack selection guide 41-6977 and assembly instruction 41-6976 hold the dimensions, and a specialist confirms the model against your tier layout before the quote.
Why is this part written SGC 12-125 in C&D's documents?
C&D spaces the family prefix in its own literature, so the datasheet reads SGC 12-125 while the label and most purchase orders read SGC12-125. Searches arrive as all three forms, SGC12-125, SGC 12-125 and SGC12125. They are one part. Quote it whichever way your system stores it and a specialist matches it.
What does a 120 volt SGC12-125 bank weigh?
1,023 lbs of battery, from ten jars at 102.3 lbs each, before the rack, the tiers and the inter-unit connectors. That is the number the floor loading and the rigging plan need, and it is also why C&D splits the ten-jar bank across two tiers. Each jar sits on a 13.57 by 6.80 inch footprint, so the load is concentrated on that area.
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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