Potter Electric Signal ZA-42

Key Features

• Self-contained UL-listed sound detection system for vault environments
• Automatically balancing microphone circuit with manual adjustment capability
• Integrated accumulator for sound event recording (0-9 signals)
• Includes VSA-1 controller and RTA remote test annunciator in kit

Technical Specifications

• Power: 9-16V DC nominal, 12V DC recommended
• Operating Current: 50mA nominal, 250mA maximum during test signal generation
• Sensitivity: Manually adjustable for UL639 and UL681 compliance
• Alarm Output: SPDT relay contacts
• Status Indication: On-board LED, remote annunciator with LED status lights

Certifications

• UL Listed for primary protection of vaults and mercantile/bank environments
• Compliant with UL 639 (Sound Detection Systems) and UL 681 standards