WOLFLITE Handlamp H-251A\LED

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WOLFLITE Handlamp H-251A\LED

Product Information

The Wolflite ATEX Rechargeable Handlamp is ideal for use as a general purpose safety lamp for inspection and work tasks in explosive atmospheres. Rechargeable battery operation offers a convenient and cost effective solution for Ex applications where a handlamp is frequently required for long periods.

CE marking of the Wolflite Handlamp is in compliance with the 94/9/EC ‘Explosive Atmospheres’ (ATEX) Directive and the EMC Directive. The H-251A is also certified to the IECEx Scheme and has a Lloyd’s and an MCA Type Approval for use in potentially explosive atmospheres in marine applications.

The Wolflite Handlamp offers the same extreme robustness and reliability for use in harsh environments found with all Wolflite Handlamps. The scratch and impact resistant lens is made from 6mm toughened glass.

The handlamp body and lens ring is moulded in a highly resilient thermoplastic material able to withstand the drop and impact expected from heavy industrial use, even at sub-zero temperatures. Additionally the material is electrostatic non-hazardous, ensuring there is no risk of a dangerous build up of static charges. The lamp enclosure is sealed to IP66, preventing the ingress of dust and sealing against water in all conditions except submersion.

The outstanding light output is achieved with the use of an LED light source in the H-251ALED giving approximately 50% more light and a three fold increase in duration over the high efficiency halogen bulb fitted as standard with the H-251A. Both are focused  within a 100mm diameter parabolic reflector giving the user an extremely well defined beam of intense white light.

The H-79 LED Centre Contact can be retro-fitted to existing H-251A handlamps.

The battery pack, recharged internally within the Wolflite Rechargeable Handlamp, uses the same highly reliable sealed lead acid system as all rechargeable Wolflite Handlamps, but is enhanced with electronic protection and controls. The battery is rendered intrinsically safe by the use of a fast switching short-circuit protection circuit. A low voltage cut-off feature automatically switches the lamp off when all useful battery capacity has been used, protecting the battery from damage through deep discharge. Power-failure mode allows the handlamp to be used as an escape light, automatically illuminating if power to the charger is interrupted.

The Wolflite Rechargeable Handlamp is recharged in the standard Wolflite Lamp chargers, the C-251HV mains charger and the C-251LV vehicle charger.

The handlamp is supplied with a convenient removable shoulder strap.

Technical Specification

Wolflite H-251A/H-251ALED output 

Halogen Bulb
39 lumen spot beam (approx 4°)

60 Lumen LED spot beam (approx 4°)
With wide angle fringe light

Technical Diagrams

Product reference H-251AH-251A LED
Product description Rechargeable safety handlamp
CodeATEX  II 2 GD EEx e ib IIC T4 IP66 T135°C
IECEx Ex e ib I/IIC T4 IP65 
Type of protection  "e" increased safety, "ib" intrinsic safety
Area of classification (Gases)  Zones 1 and 2, Gas Groups IIA, IIB, IIC
Temp. classification (Gases) T4
Area of classification (Dust)  Zones 21 and 22
Max. surface temperature (Dust) 135°C
Ambient temperature  -20°C to +40°C
Certificate  BAS00ATEX2176, IECEx TSA 05.0017X
Enclosure  Thermoplastic, anti-static
Lens  Toughened glass (6mm)
Beam type  SpotSpot with fringe light  
Light source:   Pt. no. H-69 H-79
Type Halogen filled filament bulb High Power LED
Volts 3.75v 3.75v
Watts 2.8w 1w
Output 39 lm (at 3.75v) 60 lm (Peak)
Life 100 hrs 25,000 hrs
Power source: Pt. no.  H-66
Type  Rechargeable battery, sealed lead acid
Volts 4v
Capacity 5Ah
Life up to 500 recharge cycles
Light duration Up to 7 hours Up to 24 hours
Ingress protection  IP66/IP65
Weight (incl. battery)  1.75kg
Compatible charger C-251 HV or C-251 LV

All information has been gathered under laboratory conditions, the user must regard the values given as approximate
Changes may be made to the above specification without notification, details are available on request.

Charger Technical Specification

Charger with Handlamp

C-251 HV/LV charger with H-251A Handlamp

C-251 HV/LV chargers are for use with the Wolflite H-251A Handlamp, as well as the Wolflite H-251 Mk2 and Wolflite H-251E Handlamps. Batteries are charged internally in these products via charging studs on the base of the handlamp. The chargers are designed to hold the handlamps while charging enabling the handlamps to always be ready for use. The C-251 HV is for use at mains voltages of 230 volts or 120 volts, selectable by voltage changeover switch. The alternative version, the C-251 LV is for use in vehicles at low voltages of between 12 and 32 volts.

Both the C-251 HV and C-251 LV are CE marked compliant with all relevant EC directives (EMC and LVD as applicable). Additionally the C-251 LV carries the e11 mark showing compliance with the 72/245/EEC(95/54/EC) Radio Interference of Vehicles directive for use in vehicles operated by the Emergency Services.

All chargers may be used free standing or can be bench or wall mounted.

Technical Diagram      E11

Product referenceC-251 LVC-251 HV
Product descriptionLow voltage lamp chargerMains voltage lamp charger
Apparatus standardsEN60 335
Insulation classIIIII
Input voltage12-32Vdc120/230Vac*
Recharge time10-12 hrs at 24v8-10 hrs
Ingress protectionIP20
Mounting All chargers may be bench or wall mounted
Compatible handlamp H-251 Mk2, H-251E or H-251A

* C-251 HV may also be powered from 'rig' voltage, 254Vac 60 Hz. All information has been gathered under laboratory conditions, the user must regard the values given as approximate
Changes may be made to the above specification without notification, details are available on request.


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