The AIR PAM-4 is an encapsulated, single SPDT Fire Alarm Control Relay. The relay may be energized across a wide voltage range from 9VDC to 40VDC, making it ideal for 12VDC and 24VDC EOL circuits. Air Products & Controls, Inc. 0 Amp Form-C. The PAM‐4 Relay Module provides one set of 10. Sign up to receive information on our latest and featured product. The 15mA operating current is constant across the. PAM-4 Panel Accessories from AIR PRODUCTS & CONTROLS In Stock, Order Now! Same Day Shipping, 2-Year Warranty - MULTI-VOLTAGE RELAY MODULE, OPERATING VOLTAGE: 9-40 VDC AT 15MA POLARIZED, CONTACT RATINGS: SPDT RESISTIVE/INDUCTIVE LOAD: 10 A AT 120 VAC/7 A/0. 35PF AT 24 VDC/250 MICRO AMPS/0.