DB3BULG048N2CPNR Cooper Wheelock MEDC DB3B Horns - Red

The DB3B is a high power explosion proof horn, introduced as a replacement for the current DB3 with improved functionality and performance. Certified for use in a wide range of temperatures from -67F to +158F the exterior enclosure is manufactured from GRP with a rugged thermoplastic flare providing a corrosion free and aesthetically pleasing product.

Specifications

• UL Haz Locs - UL Listed for US and Canada, fire alarm or general use, listing no. E203310 Class I, Div 2. Groups A-D. Class I, Zone 1, Ex d IIC / AEx d IIC Gb Class II, Div 2. Groups F&G. Zone 21 AEx tb IIIC Class III Div 1
• UL Ord Locs - UL Listed for US & Canada, fire alarm or general use, listing no. S8116
• Material - Ex enclosure - Flame retardant, UV stable, Glass reinforced polyester Flare - Flame retardant, high impact, UV stable, thermoplastic polyester. (UV stability tested to ISO 4892 part 3) Hardware - Bracket, fixings and captive cover screws in 316 stainless steel.
• Fire retardancy - Body - Glass reinforced polyester. V0 flammability rating. Outer Flare - Thermoplastic Polyester. V0 flammability rating.
• Finish - Body - natural black. Flare - natural black, natural red or painted as specified.
• Voltage - DC: 12 - 48V AC: Up to 254V. If using an EOL resistor with a value between 700Ω and 2KΩ the maximum voltage must be limited to 28.8Vdc, if using an EOL resistor with a value between 470Ω and 700Ω the maximum voltage should be limited to 26Vdc.
• Weight - 10lbs/4.6kg, Based on long flare DC unit.
• Ingress Protection - NEMA 4X & 6. IP66 & IP67. (NEMA 6 and IPx7 on terminal chamber only).
• Entries - Up to 2 x 1/2"" NPT or M20. Blanking plug available.
• Terminals - AC: 7 x 14AWG (4 for loop in/out power, 3 for tone selection) (Standard unit only), DC: 8 x 14AWG (8 for loop in/ out power and tone selection) (Standard unit only).
• Mounting arrangement - Stainles steel bracket with ratchet facility, optional swivel bracket available.
• Labels - Optional duty and tag labels available.
• Tone information - 28 tones per stage. Additional custom tones available (Contact Eaton) Suitable for use with 200Hz tones.
• Certified temperature - -67F to +158F (-55C to +70C)

DB3BULG048N2CPNR Specifications PDF