UE 12 Series Pressure and Temperature Switch

Engineered for Harsh Environments. Trusted in Critical Applications.

The United Electric 12 Series Pressure and Temperature Switch is built to perform in the most demanding industrial settings. Designed for alarm and emergency shutdown applications, the 12 Series combines compact construction with rugged performance and hazardous location approvals—making it a trusted solution for process end-users and OEMs alike.

With a vibration-resistant Belleville spring for reliable set point stability, a hermetically sealed micro-switch certified to ANSI/ISA 12.27.01, and a 316 stainless steel enclosure, the 12 Series ensures safety, accuracy, and durability in even the harshest environments.

Ideal for offshore platforms, rotating equipment, fire suppression systems, CO₂ injection skids, and BOP accumulator systems, this dual-seal, SIL 2 certified switch delivers performance where it matters most.

Key Features

• Pressure & Temperature Sensing in a compact cylindrical housing

• Snap-Acting Belleville Disc Sensor resists vibration and improves stability

• Certified to ANSI/ISA 12.27.01 & NEC 501.17 for process sealing integrity

• SIL 2 Certified – suitable for Safety Instrumented Systems (SIS)

• UL, cUL, ATEX & IECEx Approved for Div. 1 or Zone 1 hazardous locations

• 316 Stainless Steel Housing – corrosion-resistant and NACE MR0175 compliant

• Optional Materials – Hastelloy® and Monel® for corrosive media

• 72″ Leadwires and retrofit mounting bracket options

• 3-Year Warranty

Whether you’re monitoring pressure or temperature in explosive atmospheres or corrosive process environments, the UE 12 Series ensures long service life, simplified installation, and reliable shutdown protection.