Electronic Relays & Barriers

Electronic Non-Intrinsically Safe Relays

Part Number: 149536
Non-Intrinsically_Safe_20173
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PRODUCT DESCRIPTION:

Gems Sensors solid-state switching units perform the functions of electro-mechanical relays, with the added reliability and advantages inherent in solid-state. Compact, totally encapsulated, and impervious to shock or vibration, these units mount anywhere... even directly on working machinery. LOAD-PAKS®: integrated, solid-state switches that amplify current handling capabilities of sensors for controlling high power loads. SPST, N.O. operation, AC and DC models. SPDT-PAKS: enable one low-current sensor to control two independent loads up to 5 amps each. Switching is N.O. for one load and N.C. for the other. FLIP-PAKS: provide low-current, "start-stop" or "on-off" switching for industrial motor, liquid level and other control systems. Units hold operational state up to 1/2 second during momentary power loss to cut nuisance shutdowns; low voltage protection is inherent. 120 VAC and 240 VAC models handle loads to 5 amps.

LEAD TIME:

10 days
Lead-times and expedites

Lead-times apply to standard parts & configurations. Expedited shipments available by contacting factory. Lead-times may vary based on quantity and/or non-standard configurations.

CE ROHS Gems Compliant CSA

Features

  • SPST; N.O. Operation
  • AC or DC models
  • Amplify current handling capability of sensors for controlling high power loads
  • Compact; polysulfone bodies are totally encapsulated
  • Impervious to shock or vibration
  • Solid-state reliability
Model
OPTO-PAK
Protection
Non-Intrinsically Safe
Operating Voltage
115 VAC
Load Voltage
115 VAC
Load Current
5 amps
Switch Operation
SPDT
Turn-off Sensitivity
N/A
Sku
149536
Minimum Temperature
-13°F
Maximum Temperature
158°F

Gems Sensors Catalog, Non-Intrinsically Relays

Format .pdf
Size 6 MB
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What does it mean to be "Intrinsically Safe?"

The term "intrinsically safe" refers to equipment and wiring which is incapable of releasing sufficient electrical or thermal energy under normal or abnormal conditions to cause ignition of a specific hazardous atmospheric mixture in its most easily ignited concentration. This is achieved by limiting the amount of power available to the electrical equipment in the hazardous area to a level below that which will ignite the gases present. To be certified "intrinsically safe," a device or circuit must be so designed that no two simultaneous failures can cause an explosion. In order to have a fire or explosion, fuel, oxygen and a source of ignition must be present. An intrinsically safe system assumes that fuel and oxygen are present in the atmosphere, but the system is designed such that the electrical energy or thermal energy of a particular instrument loop can never be great enough to cause ignition. Traditionally, protection from an explosion in hazardous environments has been accomplished either through the use of explosion proof conduits and enclosures (intended to contain an explosion), or via pressurization or purging (intended to isolate the explosive gas from the electrical equipment). Intrinsically safe apparatus cannot replace these methods in all applications, but in many cases can provide significant cost savings in installation and maintenance of the equipment in a hazardous area. The basic design of an intrinsic safety barrier uses Zener diodes to limit voltage, resistors to limit current and a fuse. Gems™ Intrinsically Safe Relays and Zener Barriers are approved devices designed to render any non-voltage producing sensor or switch intrinsically safe. For more information on hazardous locations as defined by the National Electrical Code (NEC) Handbook, click here.