Schneider RE17RMXMU Harmony Modular Timing Relay 8A 1CO multifunction 24V-240V

The Schneider Electric RE17RMXMU is a modular timing relay in the Harmony Timer Relays range, providing 9 selectable timing functions with a universal supply voltage of 24...240 V AC and 24 V DC. It features a single changeover (1 C/O) contact rated at 8 A and mounts on a standard 35 mm DIN rail in a compact 17.5 mm wide housing.

Technical specifications:

• Commercial reference: RE17RMXMU
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony Timer Relays
• Product type: Modular timing relay
• Number of timing functions: 9 (Ad, Ah, N, O, P, Pt, TI, Tt, W)
• Time delay range: 0.1...1 s to 10...100 h
• Rated output current: 8 A
• Contact type: 1 C/O, cadmium-free
• Supply voltage: 24...240 V AC 50/60 Hz / 24 V DC
• Max switching voltage: 250 V AC
• Breaking capacity: 2000 VA
• Dimensions (W x H x D): 17.5 x 90 x 72 mm
• Weight: 0.07 kg
• Mounting: 35 mm DIN rail per IEC 60715
• IP rating: IP20 (connection block), IP40 (housing), IP50 (front panel) per IEC 60529
• Operating temperature: -20...60°C
• Connection: Screw terminals, 0.5...3.3 mm² single-core / 0.2...2.5 mm² flexible
• Repeat accuracy: +/- 0.5% per IEC 61812-1
• Certifications: cULus, GL, CSA, CE

Features and benefits:

• 9 selectable timing functions including pulse delay, safe-guard, bistable, and interval modes in a single device
• Universal 24...240 V AC / 24 V DC supply eliminates the need for voltage-specific relay variants
• LED indicator with three distinct visual states for monitoring relay supply, active timing function, and standby
• Cadmium-free contacts and self-extinguishing housing for safety and environmental compliance
• High repeat accuracy of +/- 0.5% per IEC 61812-1 for precise and reliable timing control

Applications:

• Industrial automation and machine control panels requiring multi-function timing logic
• Process control systems using pulse delay, bistable, or interval timing sequences
• Building automation and HVAC systems with safe-guard or delayed switching requirements

Compliant with IEC 61812-1, IEC 61000-6-1/-2/-3/-4, 2006/95/EC, and 2004/108/EC. Certified by cULus, GL, and CSA. Part of the Schneider Electric Harmony Timer Relays range.

Also known as: Schneider RE17RMXMU, Schneider Electric RE17RMXMU, Harmony multifunction timing relay, RE17R modular timer.