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 Instruction Manual NexSys

®

 CORE ATEX batteries for use in hazardous areas

ENGLISH

Introduction

Valve regulated lead acid (VRLA), Thin Plate Pure Lead (TPPL) 

NexSys

®

 CORE batteries are certified to ATEX standards 

(increased safety concept Ex e) for use in hazardous areas 

where there is a risk of explosion, due to gas or dust. These 

batteries are part of the following equipment groups and 

categories:

•  Group I, category M2/Mb

•  Group II, categories 2 and 3 (Zone 1 2G/Gb, Zone 2 3G/Gc)

•  Group III, categories 2 and 3 (Zone 21 2D/Db and Zone 22 

3D/Dc)

Relative to conventional ATEX batteries, the patented 

ventilation design of EnerSys battery trays may make it 

possible for a higher capacity battery to be selected for a given 

truck manufacturer’s available battery compartment.

Unlike conventional batteries with liquid electrolyte, 

 

NexSys

®

 CORE ATEX batteries are valve-regulated lead-acid 

batteries with immobilised electrolyte. Instead of a vent plug, a 

valve is used to regulate the internal gas pressure, preventing 

the ingress of oxygen from the air and allowing the escape of 

excess charging gasses.

Operating VRLA batteries require similar safety precautions 

as vented batteries, specifically there are risks associated 

with electrical, corrosive and explosive hazards. Battery 

valves must never be removed. These batteries do not require 

topping up with distilled or demineralised water.

This manual should be used in conjunction with the manual 

for standard NexSys

®

 CORE batteries which is available on 

www.enersys.com.

Upon receipt, batteries should be in perfect condition and free 

from any damage. If any damage is noted or accessories are 

missing, please contact your supplier immediately.

ATEX-certified NexSys batteries are designed for use in 

battery-powered applications (such as electric counterbalance, 

reach and pallet trucks) within hazardous areas. EnerSys cells 

and connectors have an IP (ingress protection) of 65; creates 

of 23 (when lids fitted).

The use of electrical equipment, such as DC-DC convertors, 

low voltage alarms and EnerSys’ Wi-iQ units, is prohibited 

unless certified for use in hazardous areas and fitted outside 

the battery.

Conformity

NexSys

®

 CORE ATEX batteries conform with the relevant 

provision of ATEX Directive 2014/34/EU.

Conformity has been demonstrated with reference to the 

following documentation:

ATEX

IECEx

Certificate 

Description

SIRA 01ATEX3022X

SIRA IECEx 07.0065X

Batteries up to  
68.8KWh

SIRA 01ATEX3025

SIRA IECEx 07.0066

Batteries up to  
153.6 KWh

SIRA 03ATEX3090U

SIRA IECEx 07.0064U

DIN-size NexSys 
(and Gel) cells

Notes

:

•  ATEX certificates apply to the EU whilst IECEx certificates relate to the 

rest of the world (except North America).

•  Quality assurance notification: SIRA 01 ATEX M103.

The applicable rating data for NexSys® CORE ATEX batteries 

is as follows:

1.  Nominal capacity C

5

See type plate

2.  Nominal voltage:  

See type plate

3.  Discharge current: 

C

/5h

4.  Rated temperature: 

30°C

These cells comply with the following clauses:

EN/IEC 60079-0 clause 23.3 (Cell types), 23.6 (Interchangeability), 

23.8 (Leakage)’ 23.9 (Connections), 23.10 (Orientation) and 23.11 

(Replacement of cells or batteries), and EN/IEC 60079-7 clause 

5.6 (classification), 5.6.3.1 (Types of permissible batteries), 

5.6.3.3 (cells), 5.6.3.4 (connections) and 6.6.3 (shock test).

When they are assembled into a battery, the remaining 

clauses of EN/IEC 60079-7 need to be addressed with 

particular reference to clauses EN/IEC 60079-0 clause 23.2 

(Batteries), 23.4 (Cells in a battery), 23.5 (Rating of a battery), 

23.11(Replacement of cells or batteries), and EN/IEC 60079-7 

clause 5.6.3.2 (Battery containers), 5.6.4 (Charging of cells and 

batteries), 6.6.2 (insulation resistance) and 6.6.4 (ventilation).

The cells covered by this certificate shall be installed in series, 

in a suitable battery enclosure, together with cells of the same 

electrochemical system, cell design and rated capacitance 

that is manufactured by Enersys. The battery enclosure shall 

provide protection from mechanical impact;

The cells shall be installed in a vertical orientation, with the 

electrical connectors at the top.

This equipment includes non-conducting parts that may 

generate an ignition-capable level of electrostatic charges 

under certain extreme conditions. The user shall ensure that 

the equipment is not installed in a location where it may be 

subjected to external conditions (such as high-pressure steam) 

which might cause a build-up of electrostatic charges on non-

conducting surfaces. Additionally, cleaning of the equipment 

shall be done only with a damp cloth;

The cells shall have a certified service temperature range of 

-20°C to +60°C, which shall be taken into account when used in 

a battery. Battery operating conditions take precedence.

 Condition of use

Do not charge in a hazardous area

An example of NexSys

®

 CORE ATEX label

Содержание NexSys CORE ATEX Series

Страница 1: ... to the following documentation ATEX IECEx Certificate Description SIRA 01ATEX3022X SIRA IECEx 07 0065X Batteries up to 68 8KWh SIRA 01ATEX3025 SIRA IECEx 07 0066 Batteries up to 153 6 KWh SIRA 03ATEX3090U SIRA IECEx 07 0064U DIN size NexSys and Gel cells Notes ATEX certificates apply to the EU whilst IECEx certificates relate to the rest of the world except North America Quality assurance notific...

Страница 2: ...the explosive atmospheres with which they may come in contact with If unsure please contact EnerSys The apparatus does not cause injury or harm when used as specified in this manual and the standard NexSys CORE battery manual The apparatus does not produce ignition capable electrical sparks or arcs when used in compliance with this instruction manual The apparatus has been designed not to produce ...

Страница 3: ... area unless special conditions defined by equipment manufacturers are met NexSys CORE ATEX batteries must be charged using appropriate EnerSys chargers Using non specified chargers will invalidate the warranty NexSys CORE ATEX batteries are suitable for both standard duty and heavy duty applications In standard duty applications the charger 0 2 0 25 charging rate will recharge the battery from 80...

Страница 4: ...gy when allowed to stand on open circuit The rate of self discharge is non linear and increases with decreasing state of charge High temperatures greatly reduce storage life as they increase the rate of self discharge If the truck vehicle is not going to be used for periods in excess of 48 hours the ignition key must be removed and any auxiliary equipment such as lights beacons on board computer e...

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