ZENITEL VSP-5004-1 EX BUFFER UNIT IN SAFE AREA, SELECTIVE CALLING TO 4 STATIONS. (3006200038)

• Intrinsically safe buffer unit for mounting in safe area
• Supports up to 4 Ex(i) telephones - VSP-512
• 4x 24V DC outputs to Ex signal units
• 4 call signal outputs to safe area
• Delivered in a pained steel cabinet for wall mounting
• Preinstalled 1 zener barrier (2 ext.) for 24V DC I.S. sounder in zone 0

• (½ x zener barrier for each sounder)

Ensures uninterupted  communication between Ex- and safe zone in a Batteryless telephone system (VSP). To be mounted in Safe area with Barriers into the Hazardous (Ex) area. It accommodates up to 4 Batteryless telephones within the system, enabling seamless communication. Call signals are distributed in the Hazardous area via EX(d) signal units controlled by relay outputs. Encased in a durable pained steel cabinet designed for wall mounting. It is preinststalled with 1 zener barrier (2 extention numbers) for 24V DC sounders in zone 0 guaranteeing reliable operation and enhanced safety in hazardous environments.

• Type Nos. for buffer units with other configurations:
• VSP-5004 with no additional zener barriers (Only Ex(d) sounders)
• VSP-5004/2 with 2x zener barriers (4 ext. No./ I.S. Sounders)