MEDC PAS2 User Manual
Page 4

MEDC Ltd, Colliery Road, Pinxton, Nottingham NG16 6JF, UK.
Tel: +44 (0)1773 864100 Fax: +44 (0)1773 582800
Sales Enq. Fax: +44 (0)1773 582830 Sales Orders Fax: +44 (0)1773 582832
MEDC Stock No.
E-mail: [email protected] Web: www.medc.com
TM17101-ISSB
3. OPERATION
The operating voltage of the unit is stated on the unit label.
The beacon can be powered directly or initiated by a 24Vdc relay if requested when
ordered.
4. MAINTENANCE
During the working life of the unit, it should require little or no maintenance. How-
ever, if abnormal or unusual environmental conditions occur due to plant damage
or accident etc., then visual inspection is recommended.
If a unit fault should occur, then the unit can be repaired by MEDC. All parts of the
unit are replaceable.
If you acquired a significant quantity of units, then it is recommended that spares
are also made available. Please discuss your requirements with the Technical Sales
Engineers at MEDC.
5. CERTIFICATION/APPROVALS
Please refer to marking on the unit for specific approval details.
UL listed for use in
Class I, Div. 2, Groups A, B, C & D.
Class II, Div 2, Groups F & G
USA (USL) and Canada (CNL)
Class I, Zone 1, AExd IIC; Exd IIC.
UL standards
UL 1638 – Ordinary locations
UL 1638 UXUB Marine Listed
UL 50, UL 60079-0, UL 60079-1
CSA-C22.2 No. 205, CSA E60079-0,
CSA E60079-1.
6. CERTIFIED TEMPERATURE
T6/T85°C (Tamb -55°C to +40°C) (-67°F to +104°F)
T5/T100°C (Tamb -55°C to +55°C) (-67°F to +131°F)
T4/T135°C (Tamb -55°C to +70°C) (-67°F to +158°F)