Alle Racklines en 2007-05-03.indd

Datasheet 

12CP25 

Compact-Power Rackline

Datasheet > Compact-Power Rackline > 12CP25 

Technical specifications 

Type 

12CP25 

Part number 66300025 

Electrical Data 

Nominal voltage 

12 V 

Number of cells 6 

Rated capacity C 10 

to 1.80 Vpc at 20 °C 

25 Ah 

Rated capacity C 8 

to 1.75 Vpc at 25 °C 

25 Ah 

Current/Power for 0.5 h back-up time 1.65 Vpc 20 °C 30.9 A 338.4 W 







Conversion to capacity at 25 °C (77 °F) 20 °C Ah x 1,03 (t > 1 h) 

Internal resistance (± 10%) to IEC/EN 60896-21 

18.6 m 

Short circuit current (± 10%) to IEC/EN 60896-21 

0.6 kA 

Self discharge at 20 °C to IEC/EN 60896-21 

max. 3% / month 

Heat loss during float service at 20 °C 0.15 W 

Mechanical Data 

Weight ready for use 

12.5 kg 

Height of monobloc 

192 mm 

Height over gas collection system GCS 

207 mm 

Height over terminal connector 

217 mm 

Width 

100 mm 

Depth 

275 mm 

Number of terminals 1 / 1 

Dimension of connector screw hole 

M6 

Suggested/maximum cable cross-section 16 mm²/70 mm² *) 

Connection torque 

8 Nm 

Terminal insulation class according to IEC/EN 60529 

IP20 

Diameter of diagnostic hole for voltage probe 

2.5/5 mm 

Connector (copper, tin-coated) rigid and insulated 

40 mm² 

Complete connector and terminal connection accessoires available (as 48 V/60 V-Set) 

Environmental Data 

Shelves, cabinets and racks 

available upon request 

Installation 

vertically/horizontally 

Distance for cooling and ventilation 

10 mm 

(preset with the rigid connectors) 

Flame retardancy rating case/cover according to 

ABS-PC – UL 94 V-0 with LOI > 32%, halogen-free 

Underwriters Laboratories (UL) USA 

Flame barriers at vents 

installed 

Gas collection system GCS UL V-0 quality 

available upon request 

UL file number 

® MH 26065 

Service life expected at 20 °C 

15 years 

*) for UPS duties the connecting cables must be dimensioned specially 

OERLIKON STATIONARY BATTERIES LTD. AESCH BL • DORNACHERSTR. 110 • CH-4147 AESCH/BL • SWITZERLAND 

PHONE +41 (0) 61 - 706 36 36 • FAX +41 (0) 61 - 706 36 37 • www.accuoerlikon.com • e-mail: info@accuoerlikon.com 

QD 2332en/1106/01 Subject to change without notice 

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Float voltage [Vpc] 


Operating specifications 

Figure 1 Figure 2 

Figure 3 

2,40 

2,35 

2,30 

2,25 

1 = -2 to -4 mV / °C 3 

2,20 

2,15 

= -6 mV / °C 

2,10 

2,05 

2,00 

-10 0 10 20 30 40 50 

Temperature of the battery [ °C] 

2 

= 0 mV / °C 

Temperature 

in °C 

Temperature 

in °F 

Percent of the rated 

capacity 

40 104 104.8 

35 95 104.2 

30 86 103.6 

25 77 103.0 

20 68 100.0 

15 59 97.0 

10 50 94.0 

5 41 90.0 

0 32 84.7 

-5 23 77.7 

-10 14 69.4 

-15 5 60.0 

-20 -4 49.6 

-25 -13 38.4 

-30 -22 25.6 

-35 -31 14.1 

-40 -40 2.1 

Battery installation and operation 

Stand-by mode with constant voltage float operation 

according to EN 50272-2:2001 

Float voltage setting according to DIN 41773 

2.25 Vpc at 20 to 25 °C (68 to 77 °F) 

Float voltage with daily discharge cycles 

2.29 Vpc - 2.30 Vpc (no correction factor needed) 

CC-CV charge current according to DIN 41773 unlimited, otherwise 3 · I 10 

max. if T > 25 °C 

Float voltage compensation in function of temperature -2 to -4 mV/°C or with profile as displayed figure 3 

Boost charge 

Not needed, if desirable then 2.35 Vpc and l 10 

max. for 24 h 

max. at t < 30 °C 

As a VRLA battery according to EN 50272-2:2001 

Air exchange 

Q=0.05 · N cells 

· I gas 

· C Ah C10 

· 10 - ³ [m³/h] 

I gas 

= 1 (at 2.25 Vpc) I gas 

= 8 (at 2.40 Vpc) 

e.g. 48 V: 0.03 m³/h = 1.06 cu.ft/h (at 2.25 Vpc) 

Preferred operating temperature range 

Between 15 °C (68 °F) and 25 °C (77 °F) 

Maximum long term operating temperature 

+40 °C (104 °F) with ventilation assured (reduced service life) 

Maximum short term operating temperature (for hours) 

+50 °C (122 °F) with ventilation assured (reduced service life) 

Minimum fully charged operating temperature 

-40 °C (-40 °F) 




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Discharge data 

Constant current performance (in amps) to the defined end-of-discharge voltage 

Voltage Temp 

Discharge time [Minutes]] 

[Vpc] 1 - 2 3 5 7 10 15 20 25 30 40 50 60 90 120 180 240 300 360 480 600 720 1200 1440 

1.90 20 °C 52.3 49.8 45.8 42.2 37.7 32.3 28.3 25.3 22.9 19.3 16.8 14.9 11.2 9.0 6.6 5.2 4.4 3.8 3.0 2.5 2.1 1.4 1.2 

25 °C 53.8 51.3 47.1 43.4 38.9 33.2 29.1 26.0 23.6 19.9 17.3 15.3 11.5 9.3 6.8 5.4 4.5 3.9 3.0 2.5 2.2 1.4 1.2 

1.87 20 °C 62.8 59.3 53.6 48.7 42.9 36.0 31.1 27.5 24.7 20.6 17.7 15.6 11.6 9.3 6.7 5.3 4.4 3.8 3.0 2.5 2.1 1.4 1.2 

25 °C 64.7 61.1 55.2 50.2 44.2 37.1 32.1 28.3 25.4 21.2 18.3 16.1 11.9 9.6 6.9 5.5 4.6 3.9 3.1 2.5 2.2 1.4 1.2 

1.85 20 °C 70.0 65.7 58.8 53.0 46.2 38.2 32.8 28.8 25.7 21.3 18.3 16.0 11.8 9.4 6.8 5.4 4.5 3.8 3.0 2.5 2.1 1.4 1.2 

25 °C 72.1 67.7 60.6 54.6 47.6 39.4 33.8 29.7 26.5 22.0 18.8 16.5 12.2 9.7 7.0 5.5 4.6 3.9 3.1 2.6 2.2 1.4 1.2 

1.84 20 °C 73.8 69.0 61.3 55.0 47.8 39.3 33.5 29.5 26.3 21.7 18.5 16.2 11.9 9.5 6.9 5.4 4.5 3.8 3.0 2.5 2.1 1.4 1.2 

25 °C 76.0 71.1 63.1 56.7 49.2 40.4 34.5 30.4 27.0 22.3 19.1 16.7 12.3 9.8 7.1 5.6 4.6 3.9 3.1 2.6 2.2 1.4 1.2 

1.83 20 °C 77.3 72.0 63.8 57.0 49.3 40.3 34.3 30.0 26.8 22.0 18.7 16.4 12.0 9.6 6.9 5.4 4.5 3.9 3.0 2.5 2.1 1.4 1.2 

25 °C 79.6 74.2 65.7 58.7 50.7 41.5 35.3 30.9 27.6 22.6 19.3 16.9 12.4 9.9 7.1 5.6 4.6 4.0 3.1 2.6 2.2 1.4 1.2 

1.82 20 °C 80.8 75.1 66.2 58.9 50.6 41.2 35.0 30.5 27.1 22.2 18.9 16.5 12.1 9.6 6.9 5.4 4.5 3.9 3.0 2.5 2.1 1.4 1.2 

25 °C 83.2 77.4 68.2 60.7 52.2 42.5 36.0 31.4 27.9 22.9 19.5 17.0 12.5 9.9 7.1 5.6 4.6 4.0 3.1 2.6 2.2 1.4 1.2 

1.80 20 °C 87.7 81.1 70.8 62.5 53.3 43.0 36.2 31.4 27.8 22.7 19.3 16.8 12.2 9.7 6.9 5.5 4.5 3.9 3.0 2.5 2.1 1.4 1.2 

25 °C 90.3 83.5 72.9 64.4 54.9 44.3 37.3 32.3 28.6 23.4 19.9 17.3 12.6 10.0 7.2 5.6 4.7 4.0 3.1 2.6 2.2 1.4 1.2 

1.77 20 °C 97.4 89.3 77.0 67.3 56.7 45.2 37.8 32.6 28.7 23.3 19.7 17.1 12.4 9.8 7.0 5.5 4.5 3.9 3.0 2.5 2.1 1.4 1.2 

25 °C 100 92.0 79.3 69.3 58.4 46.5 38.9 33.5 29.6 24.0 20.3 17.6 12.8 10.1 7.2 5.7 4.7 4.0 3.1 2.6 2.2 1.4 1.2 

1.75 20 °C 103 94.4 80.7 70.1 58.7 46.4 38.6 33.2 29.2 23.6 20.0 17.3 12.5 9.9 7.0 5.5 4.6 3.9 3.0 2.5 2.1 1.4 1.2 

25 °C 107 97.2 83.1 72.3 60.5 47.8 39.8 34.2 30.1 24.4 20.6 17.8 12.9 10.2 7.2 5.7 4.7 4.0 3.1 2.6 2.2 1.4 1.2 

1.72 20 °C 112 101 85.7 73.9 61.3 48.1 39.8 34.0 29.8 24.1 20.2 17.5 12.6 9.9 7.1 5.5 4.6 3.9 3.0 2.5 2.1 1.4 1.2 

25 °C 115 104 88.3 76.1 63.1 49.5 40.9 35.0 30.7 24.8 20.9 18.1 13.0 10.2 7.3 5.7 4.7 4.0 3.1 2.6 2.2 1.4 1.2 

1.70 20 °C 117 105 88.7 76.1 62.8 49.0 40.4 34.5 30.2 24.3 20.4 17.7 12.7 10.0 7.1 5.5 4.6 3.9 3.1 2.5 2.2 1.4 1.2 

25 °C 121 109 91.4 78.4 64.7 50.4 41.6 35.5 31.1 25.0 21.0 18.2 13.1 10.3 7.3 5.7 4.7 4.0 3.1 2.6 2.2 1.4 1.2 

1.67 20 °C 124 111 92.7 79.0 64.8 50.2 41.2 35.1 30.6 24.6 20.6 17.8 12.8 10.0 7.1 5.6 4.6 3.9 3.1 2.5 2.2 1.4 1.2 

25 °C 128 114 95.4 81.4 66.7 51.7 42.4 36.1 31.5 25.3 21.2 18.3 13.1 10.3 7.3 5.7 4.7 4.0 3.1 2.6 2.2 1.4 1.2 

1.65 20 °C 128 114 95.0 80.7 65.9 50.8 41.6 35.4 30.9 24.7 20.7 17.9 12.8 10.1 7.1 5.6 4.6 3.9 3.1 2.5 2.2 1.4 1.2 

25 °C 132 118 97.8 83.1 67.9 52.4 42.9 36.5 31.8 25.5 21.3 18.4 13.2 10.4 7.3 5.7 4.7 4.0 3.1 2.6 2.2 1.4 1.2 

1.63 20 °C 132 117 97.0 82.2 66.9 51.4 42.0 35.7 31.1 24.9 20.8 18.0 12.8 10.1 7.1 5.6 4.6 3.9 3.1 2.5 2.2 1.4 1.2 

25 °C 136 121 100 84.6 68.9 53.0 43.3 36.8 32.0 25.6 21.4 18.5 13.2 10.4 7.3 5.7 4.7 4.0 3.2 2.6 2.2 1.4 1.2 

1.60 20 °C 137 121 100 84.1 68.2 52.2 42.5 36.0 31.4 25.0 20.9 18.1 12.9 10.1 7.1 5.6 4.6 3.9 3.1 2.5 2.2 1.4 1.2 

25 °C 141 125 103 86.6 70.2 53.7 43.8 37.1 32.3 25.8 21.6 18.6 13.3 10.4 7.4 5.7 4.7 4.0 3.2 2.6 2.2 1.4 1.2 

Constant power performance (in watt per cell) to the defined end-of-discharge voltage 

Voltage Temp 

Discharge time [Minutes] 

[Vpc] 1 - 2 3 5 7 10 15 20 25 30 40 50 60 90 120 180 240 300 360 480 600 720 1200 1440 

1.90 20 °C 101 95.9 87.9 80.8 72.2 61.5 53.8 48.0 43.4 36.8 31.9 28.3 21.4 17.4 12.8 10.2 8.5 7.3 5.8 4.8 4.0 2.6 2.2 

25 °C 104 98.8 90.6 83.3 74.3 63.3 55.4 49.4 44.7 37.9 32.9 29.2 22.1 17.9 13.1 10.5 8.8 7.6 5.9 4.9 4.1 2.7 2.2 

1.87 20 °C 120 113 102 92.4 81.3 67.9 58.7 51.8 46.6 38.9 33.6 29.7 22.2 17.9 13.0 10.3 8.6 7.4 5.8 4.8 4.1 2.6 2.2 

25 °C 123 116 105 95.2 83.7 70.0 60.4 53.4 48.0 40.1 34.6 30.6 22.8 18.5 13.4 10.6 8.8 7.6 5.9 4.9 4.2 2.7 2.2 

1.85 20 °C 132 124 111 100 86.8 71.8 61.5 54.1 48.3 40.2 34.5 30.4 22.6 18.2 13.2 10.4 8.7 7.4 5.8 4.8 4.1 2.6 2.2 

25 °C 136 127 114 103 89.4 73.9 63.3 55.7 49.8 41.4 35.5 31.3 23.3 18.7 13.6 10.7 8.9 7.6 6.0 4.9 4.2 2.7 2.2 

1.84 20 °C 138 129 115 103 89.3 73.5 62.8 55.0 49.1 40.7 34.9 30.7 22.8 18.3 13.2 10.5 8.7 7.4 5.8 4.8 4.1 2.6 2.2 

25 °C 142 133 118 106 92.0 75.7 64.7 56.7 50.6 41.9 36.0 31.6 23.4 18.8 13.6 10.8 8.9 7.7 6.0 4.9 4.2 2.7 2.2 

1.83 20 °C 144 134 119 106 91.8 75.2 64.0 56.0 49.9 41.2 35.3 31.0 22.9 18.4 13.3 10.5 8.7 7.5 5.8 4.8 4.1 2.6 2.2 

25 °C 148 138 123 110 94.5 77.4 65.9 57.6 51.4 42.4 36.3 31.9 23.6 18.9 13.7 10.8 9.0 7.7 6.0 4.9 4.2 2.7 2.2 

1.82 20 °C 150 139 123 109 94.1 76.7 65.1 56.8 50.5 41.7 35.7 31.3 23.1 18.4 13.3 10.5 8.8 7.5 5.8 4.8 4.1 2.6 2.2 

25 °C 154 143 127 113 96.9 79.0 67.0 58.5 52.0 42.9 36.7 32.2 23.8 19.0 13.7 10.8 9.0 7.7 6.0 5.0 4.2 2.7 2.2 

1.80 20 °C 161 148 130 115 98.3 79.5 67.1 58.3 51.8 42.5 36.3 31.7 23.3 18.6 13.4 10.6 8.8 7.5 5.8 4.8 4.1 2.6 2.2 

25 °C 165 153 134 119 101 81.9 69.1 60.1 53.3 43.8 37.3 32.6 24.0 19.1 13.8 10.9 9.0 7.7 6.0 5.0 4.2 2.7 2.2 

1.77 20 °C 175 161 140 123 104 82.9 69.6 60.2 53.2 43.4 36.9 32.3 23.6 18.8 13.5 10.7 8.8 7.5 5.8 4.8 4.1 2.6 2.2 

25 °C 181 166 144 126 107 85.4 71.7 62.0 54.8 44.7 38.0 33.2 24.3 19.3 13.9 11.0 9.1 7.7 6.0 5.0 4.2 2.7 2.2 

1.75 20 °C 184 168 145 127 107 84.8 70.9 61.2 53.9 43.9 37.3 32.5 23.8 18.9 13.6 10.7 8.8 7.6 5.9 4.8 4.1 2.6 2.2 

25 °C 190 173 149 131 110 87.3 73.0 63.0 55.5 45.2 38.4 33.5 24.5 19.5 14.0 11.0 9.1 7.8 6.1 5.0 4.2 2.7 2.2 

1.72 20 °C 196 178 152 132 111 87.3 72.5 62.4 54.9 44.6 37.8 32.8 23.9 19.0 13.6 10.7 8.8 7.6 5.9 4.8 4.1 2.6 2.2 

25 °C 202 183 157 136 114 89.9 74.7 64.3 56.6 45.9 38.9 33.8 24.6 19.6 14.0 11.0 9.1 7.8 6.1 5.0 4.2 2.7 2.2 

1.70 20 °C 202 184 156 135 113 88.5 73.4 63.1 55.4 44.9 38.0 33.0 24.0 19.1 13.7 10.8 8.8 7.6 5.9 4.8 4.1 2.6 2.2 

25 °C 208 189 161 139 116 91.2 75.6 65.0 57.1 46.3 39.1 34.0 24.7 19.7 14.1 11.1 9.1 7.8 6.1 5.0 4.2 2.7 2.2 

1.67 20 °C 211 191 162 139 115 90.2 74.6 63.8 56.1 45.3 38.3 33.3 24.2 19.2 13.7 10.8 8.9 7.6 5.9 4.8 4.1 2.6 2.2 

25 °C 217 196 166 143 119 92.9 76.8 65.7 57.8 46.7 39.4 34.2 24.9 19.7 14.1 11.1 9.2 7.8 6.1 5.0 4.2 2.7 2.2 

1.65 20 °C 216 195 164 141 117 91.0 75.2 64.3 56.4 45.6 38.4 33.3 24.2 19.2 13.7 10.8 8.9 7.6 5.9 4.8 4.1 2.6 2.2 

25 °C 222 200 169 145 120 93.7 77.4 66.3 58.1 47.0 39.6 34.3 24.9 19.7 14.1 11.1 9.2 7.8 6.1 5.0 4.2 2.7 2.2 

1.63 20 °C 220 198 167 143 118 91.8 75.7 64.7 56.7 45.8 38.6 33.5 24.3 19.2 13.8 10.8 8.9 7.6 5.9 4.8 4.1 2.6 2.2 

25 °C 227 204 172 147 121 94.5 77.9 66.6 58.4 47.1 39.7 34.5 25.0 19.7 14.2 11.1 9.2 7.8 6.1 5.0 4.2 2.7 2.2 

1.60 20 °C 225 202 170 145 119 92.6 76.3 65.1 57.0 45.9 38.8 33.6 24.3 19.3 13.8 10.8 8.9 7.6 5.9 4.8 4.1 2.6 2.2 

25 °C 232 208 175 149 123 95.4 78.6 67.1 58.7 47.3 40.0 34.6 25.0 19.9 14.2 11.1 9.2 7.8 6.1 5.0 4.2 2.7 2.2 




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Alle Racklines en 2007-05-03.indd

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