| EX-d Explosion proof for Zone 1 & 2 Gas Groups IIA & IIB | |
| Cat. No. | Description | 
| BEL/OA/1010 | FLP-WP Electric Gong 
      Bell upto 250 VAC 6" dia. Gong. | 
| DOLS/187 | FLP-WP Intrinsically Safe Electronic HOOTER for Voltage 30/110/240V AC or DC (to be specified) for loud ringing. |