Microtex OPzV Cell

>>	Product Profile

>>	Technical Details

>>	Design

>>	Charging

>>	Discharge Characteristic

>>	Maintenance

>>	Operational Data

Product Profile

MICROTEX OPzV cells are maintenance free Gel lead - acid type with long life. In applications with high requirements of operational safety and bridging times of 1h to more than 10h the MICROTEX OPzV is the right choice.

MICROTEX Stationary OPzV Cells are used in Telecommunication Sectors, for Emergency Lighting, for Microwave Radio and Solar Photovoltaic Systems and also in Power Generating Plants.

Types, Capacity, Dimensions and Mass

Type	C10 25°C	C8 25°C	C5 25°C	C3 25°C	C1 25°C	Ri (1)	Ik (2)	Length	Width	Height (max.)	Mass	lead Mass
	Ah	Ah	Ah	Ah	Ah	mW	kA	mm	mm	mm	kg	kg
End Cell Voltage /cell	1.80	1.77	1.77	1.75	1.67
4 OPzV 200	238	232	211	188	140	1.20	1.70	105	208	420	19,5	13
5 OPzV 250	298	291	263	235	174	0.96	2.15	126	208	420	23,5	15
6 OPzV 300	356	349	319	281	209	0.80	2.57	147	208	420	28	19
5 OPzV 350	427	416	371	324	234	0.71	2.88	126	208	535	31	21
6 OPzV 420	512	499	448	389	281	0.60	3.46	147	208	535	36,5	24
7 OPzV 490	597	583	520	454	329	0.51	4.04	168	208	535	42	27
6 OPzV 600	729	710	633	562	402	0.45	4.58	147	208	710	50	34
8 OPzV 800	972	948	845	751	537	0.34	6.10	215	193	710	68	45
10 OPzV 1000	1215	1187	1056	936	670	0.27	7.63	215	235	710	82	55
12 OPzV 1200	1463	1417	1267	1125	804	0.23	9.15	215	277	710	97	65
12 OPzV 1500	1669	1648	1437	1239	893	0.24	8.58	215	277	855	120	80
16 OPzV 2000	2225	2200	1916	1650	1191	0.18	11.4	215	400	815	160	107
20 OPzV 2500	2781	2752	2395	2064	1488	0.14	14.3	215	490	815	200	133
24 OPzV 3000	3337	3304	2874	2475	1786	0.12	17.1	215	580	815	240	160

1), 2) internal resistance and short - circuit - current from IEC 60 896-21

Note : 1) The electrical characteristics are nominal indicative value and can vary within +/- 5.0%.

(2) Dimension can vary within +/- 2.0m

(3) Weight figures can vary within +/- 5.0%


4 OPzV 200 to 6 OPzV 600	8 OPzV 800 to 12 OPzV 1500	16 OPzV 2000	20 OPzV 2500 to 24 OPzV 3000

Design

	Positive electrode -	Tubular plate with a polyester gauntlet and High pressure-die cast spine grids in a corrosion-resistant PbCaSn alloy
	Negative electrode -	Pasted grid-plate in a PbCaSn alloy with long-life expander
	Separation -	Micro porous separator.
	Electrolyte -	Sulphuric acid with a density of 1,26 kg/l, fixed as GEL by fumed silica
	Container -	ABS
	Lid -	ABS
	Valve -	Valve with flame arrestor. Opening pressure approx. 100 mbar. Closing pressure approx. 50 mbar.
	Pole-bushing -	100% gas- and electrolyte-tight, sliding, plastic coated kind of pole with M10 brass insertion
	Connectors -	Solid flat copper connectors
	Connectors Screw -	M10, steel with a spring and flat washer
	Protection -	Connectors and fasteners are covered with Plastics shroud
	Horizontal Operation-	Possible

Charging

	IU - Characteristic -	Imax without limitation
		U = 2,25V/cell +/- 1%, between 10°C and 45°C
		∆U/∆T = -0,003 V/K
	Float current -	20 – 30 mA/100Ah
	Boost charge -	U = 2,35 to 2,40V/cell, time limited
	Charging time up to 90% -	6h with1,5*I10 initial current,2.23 V/cell, 80% C3 discharged

Discharge Characteristics

	Reference temperature -	25°C
	Initial capacity -	100%
	Depth of discharge(DOD)-	normally up to 80%
	Deep discharges -	More than 80% DOD or discharges beyond final discharge
		voltages (based on discharge rate) have to be avoided

Maintenance

	Every 6 months -	Check battery voltage, pilot cell voltage and temperature
	Every 12 months -	Record battery voltage, cell voltages and temperatures

Operational Data

	Operational life -	> 20 years in standby float operation, 27C
	Maintenance-free -	No topping-up water during operational life
	IEC 60 896-2 cycles -	>1800
	Self-discharge -	Approx. 2% per month at 25°C
	Recovery after discharge -	Very Good
	Operational temperature -	-20°C to 45°C, recommended 10°C to 35°C, short time 45°C to 55°C
	Standard -	DIN 40 742 part 1
	Tests according -	IEC 60 896 – 21, -22
	Safety standard, ventilation	DIN EN 50 272-2