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The Crouzet MUR3 8A timer relay (ref. 88827103) is the ideal multifunction solution for your photovoltaic installations and industrial electrical systems. With its 10 programmable functions (A, Ac, At, B, Bw, C, D, Di, H, Ht) and 7 time delay ranges from 0.1 seconds to 100 hours, this relay can be adapted to all your time management needs.
Universal multi-voltage power supply:
Compatible with 12-240V AC/DC (50/60Hz), eliminating compatibility constraints. Perfect for diverse photovoltaic environments requiring flexibility and reliability.
High-performance output: 8A changeover relay with cadmium-free AgNi contacts. Breaking capacity 2000VA/80W, 100,000 electrical cycles guaranteed. Exceptional accuracy: accuracy 0.5%, thermal drift 0.05%/°C.
Simplified installation: 35mm DIN rail mounting, compact width 17.5mm. Screw terminals 0.5-3.3mm². LED status indicator. Intuitive adjustment via potentiometer and rotary switches.
Industrial strength: Operates from -20°C to +60°C. IP50 front panel. CE, UL, cUL, CSA, GL certified. Vibration resistant to 20m/s². Complies with IEC/EN 61812-1, 60664-1, 61000.
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Crouzet MUR3 8A Multifunction Timed Relay - 10 Functions 0.1s-100h
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The Crouzet MUR3 timer relay (reference 88827103) is the ideal solution for managing your time delays in photovoltaic installations and industrial electrical systems. This multifunction device offers exceptional flexibility thanks to its 10 programmable functions and 7 timing ranges.
In the solar field, this timer can be used to effectively manage the sequential start-up of inverters, the time delay for battery start-up, or coordination between different items of equipment in your installation. Its multi-voltage compatibility (12-240V AC/DC) makes it perfectly suited to a variety of photovoltaic environments.
The MUR3 incorporates 10 timer functions selectable by rotary switch:
The relay has 7 switchable ranges to suit all your needs:
Universal multi-voltage power supply: The MUR3 accepts a wide range of AC or DC power supplies from 12 to 240 V, with a frequency of 50/60 Hz. This versatility eliminates compatibility constraints and simplifies your spare parts stock.
High-performance 8A relay output: The changeover output (1C/O) with cadmium-free AgNi contacts offers a breaking capacity of 2000VA/80W. It withstands up to 8A at 250V AC resistive load, guaranteeing 100,000 electrical life cycles under these conditions.
Accuracy and reliability: With a repetition accuracy of 0.5% according to IEC/EN 61812-1, a temperature drift of only 0.05%/°C and a voltage drift of 0.2%/V, the MUR3 ensures consistent, predictable time delays.
The relay mounts on a symmetrical 35mm DIN rail with a reduced width of just 17.5mm, enabling compact installation in your electrical enclosures. The screw terminals accept conductors from 0.5 to 3.3mm² (single-strand) or 0.5 to 2.5mm² (multi-strand with ferrule).
An LED display shows the relay status in real time, facilitating diagnosis and maintenance. Settings are made intuitively via a potentiometer on the front panel and two rotary switches for selecting function and range.
Designed for demanding industrial environments, the MUR3 operates from -20°C to +60°C and is vibration resistant (20 m/s² from 10Hz to 150Hz according to IEC/EN 60068-2-6). Its IP50 degree of protection on the front panel and IP20 on the other sides ensure protection suitable for electrical enclosures.
The relay is CE, UL, cUL, CSA and GL certified, guaranteeing compliance with the most stringent international standards. Its electromagnetic compatibility meets IEC/EN 61000-6-1/2/3/4 requirements, ensuring trouble-free operation.
Expert advice: To optimise your photovoltaic installation, combine this timer with a lightning arrester box and a smart energy meter. This combination ensures complete protection and optimum management of your solar system.
The Crouzet MUR3 complies with European and international standards:
Complete your electrical equipment with these compatible products:
16A AC Single-phase lightning arrester box
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40A DC Single-phase surge protector
Smart energy meters
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