SQ4-A21-N Panel Heat capacity increased by rotating

Heat capacity increased by rotating the periphery to improve heat dissipation

Official Honeywell catalog match for XS821-22: modules and pluggable LONWORKS Bus I/O modules use the | same terminal sockets

Series features include Cable and connector versions

04 mm Switching output NPN Switching element function N/O contact Max

SQ4-A21-N Panel Heat capacity increased by rotatingPanasonic SQ4 A21 N is a Safety Liquid Leak Sensor [Control Category 4 PLe SIL3]. Official product detail: Sensor [For standard liquid]. Key specifications include Power voltage: 12 to 24 V DC plus or minus 10 % Ripple P P 10 % or less; Current consumption: 30 mA or less; Detection output(Leakage detection): NPN open collector transistor; Maximum sink current: 50 mA; Applied voltage: Same as the supply voltage (between detection output and 0 V);