PMA40240 - CURR.REL.2OUT.24-240VAC/DC MIN-MAX CURR.

Why Choose the PMA40240?

Lovato PMA40240 is a current monitoring relay for single-phase and three-phase systems, delivering AC/DC minimum and maximum current control via simple potentiometer adjustment. Its universal 24...240VAC/DC supply and selectable 0.02, 0.05, 0.25, 1, 5 and 16 A ranges enable precise protection and signalling. Two relay outputs support flexible integration within control panels, while proven build quality helps ensure dependable operation across diverse industrial and commercial installations.

Part of the PMA40 family, this device offers an Ith of 8 A and a 4 kV impulse withstand for robust performance in demanding environments. It operates from -20 to +60 °C and features a mechanical life of 30,000,000 cycles. Compliance includes IEC/EN 60255-5, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508 and CSA C22.2 n° 14, supporting reliable deployment in regulated applications.

Key Benefits

• Universal 24...240VAC/DC supply for straightforward panel standardisation.
• Supports single-phase and three-phase circuits for broad application coverage.
• Adjustable 0.02-16 A ranges enable accurate minimum/maximum current control.
• Two relay outputs provide flexible signalling and control strategies.
• Potentiometer programming delivers quick set-up without specialised tools.
• 4 kV impulse withstand improves immunity in noisy industrial environments.
• Wide -20 to +60 °C operating range ensures reliable service.
• 30,000,000-cycle mechanical life helps reduce maintenance interruptions.

Technical Specification

• Product type designation: PMA40
• Ith (IEC): 8 A
• Mechanical life: 30000000 cycles
• Terminal tightening torque (max): 0.8 Nm
• Rated impulse withstand voltage Uimp: 4 kV
• Operating temperature: -20 to +60 °C
• Storage temperature: -30 to +80 °C
• Weight: 166 g

What’s Included

• Lovato PMA40240 current monitoring relay
• User instructions
• Manufacturer datasheet

Applications

• Motor load monitoring for overcurrent and undercurrent protection
• Pumps and fans supervision in HVAC and process control
• Heating elements and resistive load surveillance
• Generator, UPS and mains supply current supervision
• Power distribution panels and switchgear status monitoring

Safety note: Install and commission by qualified personnel; isolate the 24...240VAC/DC supply before wiring. Tighten terminals to a maximum of 0.8 Nm and operate within -20 to +60 °C.