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Pure flexibility for superior relay solutions

Pure flexibility for superior relay solutions

Pure flexibility for superior relay solutions

Product catalog summary
Overview: Gruner AG is a leading supplier of latching relays, emphasizing innovation and flexibility in energy management solutions. The company is recognized for its technological leadership in smart metering applications, with a significant global presence.
Current Sensing Technologies: Gruner relays incorporate various current sensing technologies, including current transformers, hall sensors, Rogowski coils, and shunt resistors. Specific relay models like 704, 721, 722, 723, 725, 736, and 741 feature integrated shunt resistors.
Lamp Load Applications: Gruner relays, such as the 707L and 704L, are designed to handle high inrush currents in lamp load switching, supporting up to 4800 W or 200 μF parallel compensation.
Compliance and Standards: All Gruner relays comply with IEC 62053-21 and IEC 62054-11 standards. Additionally, models 722, 723, 725, 733, 736, and 741 meet Utilisation Category UC3 as per IEC 62055-31.
Product Range: Gruner offers a wide range of polarized latching relays with various configurations (SPST, SPDT, DPST, 3PST) and current ranges from 8 to 250 Amperes. Each type is optimized for specific applications, with features like parallel contacts and integrated shunts.
Design Advantages: Gruner relays feature an optimized contact design that reduces impedance and heat loss. The Rotary H-Armature driving system enhances robustness against shock and vibration. The relays are compact and lightweight, ensuring high performance and reliability.
Company Profile: Gruner AG is committed to flexibility and innovation across various sectors, including energy management, building management, drive technology, and automotive. The company operates globally with facilities in Germany, Tunisia, Serbia, and India.
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Catalog excerpts

Pure flexibility for superior relay solutions-1

Pure flexibility for superior relay solutions. Independent, efficient, successful: The leading supplier of latching relays.

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Pure flexibility for superior relay solutions-2

When the market leader comes into play with agility ... Focus on latching relays: innovation, not imitation. The Slinky was invented in 1945 by Richard James. It conveys the full fascination of physics – and simultaneously symbolizes pure flexibility. This symbolism is reflected in the core values of Gruner AG. In the area of latching relays for smart metering, the company is the undisputed technology leader and world market leader. Assuming one switching operation per day in load control and one every week in prepayment applications, there are more than 1000 Gruner relays switching every second...

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Pure flexibility for superior relay solutions-3

Product range: polarized latching relays. SPST | 1 Form A | 1 NO Current range 8 – 20 Ampere Type Type 714 Type 707L Type 704L 25 – 80 Ampere Type 704 Max. switching current 10 A 10 A / 140 μF 20 A / 200 μF 40/60 A / 250 VAC Rated coil power 750 mW (20 ms) 1.5 W (20 ms) 3 W (20 ms) 3 W (20 ms) Dimensions 28.5 x 10 x 24 mm 37.4 x 13.1 x 25 mm 39 x 15 x 29.3 mm 39 x 15 x 29.3 mm Weight 12 g 21 g 36 g 36 g Automotive • Parallel contacts Integrated shunt • Special lamp load version • • DPST | 2 Form A | 2 NO Current range 100 – 250 Ampere Type Type 741 Max. switching current 100 A / 250 VAC Rated...

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Pure flexibility for superior relay solutions-4

100 – 250 Ampere Type 721 Type 725 Type 722 Type 723 Type 750 Type 753 100 A / 250 VAC 100 A / 250 VAC 120 A / 250 VAC 120 A / 250 VAC 250 A / 12 VDC 150 A / 12 VDC 4.5 W (20 ms) 5.5 W (20 ms) 6 W (20 ms) 5.5 W (20 ms) 12 W (30 ms) 12 W (20 ms) 52 x 22 x 43 mm 47 x 22 x 38 mm 52 x 22 x 43 mm 47 x 22 x 38 mm 75.5 x 25 x 30 mm 65 x 23 x 25 mm 75 g 70 g 90 g 70 g 85 g 70 g • • • • • • • • • 3PST | 3 Form A | 3 NO Current range 100 – 250 Ampere Type 740 Type Type 733 Type 736 200 A / 250 VAC Max. switching current 100 A / 250 VAC 100 A / 250 VAC 24 W (30 ms) Rated coil power 16 W (30 ms) 16 W (30...

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Pure flexibility for superior relay solutions-5

Convincing advantages. Covering all Energy Management requirements. Contact design Rotary H-Armature driving system Well-proven and optimised design Gruner relays meet the required contact The unique Rotary H-Armature driving Gruner latching relays are constantly gap with one contact only. The impedance system creates no acceleration forces being improved and optimized. Data from and heat loss is much lower compared to during operation. Additionally, it is very the production process, testing and quality designs based on series contacts. With two robust against shock and vibration assurance at...

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Pure flexibility for superior relay solutions-6

The perfect fit … Relays, solenoids and actuators from Gruner. Gruner stands for flexibility, innovation and openness to electronic applications in the energy management, building management, drive technology and automotive sectors. As well as latching relays, the product range also includes solenoids and actuators. With locations in Germany, Tunisia, Serbia and India, the company has a worldwide presence. Find out more about the comprehensive Gruner portfolio online at www.gruner.de w GRUNER AG Bürglestraße 15-17 · 78564 Wehingen · Germany Phone +49 7426 948-0 · Fax +49 7426 948-200 www.gruner.de...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.