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Power Pack EN 70 / EN 70 LC

Power Pack EN 70 / EN 70 LC

Product catalog summary

Overview

The document describes the HAUG EN 70 series power packs (EN 70, EN 70 LC, EN 70 RLC) and their use with tandem ionizing bars for eliminating electrostatic charges on fast-moving material webs.

Functional Principle of Tandem Ionizing System

The system is designed for web speeds up to 900 m/min, with ionizing bars mounted 300 mm apart. The bars operate in tandem with two transformers working 180° out of phase to ensure effective ionization and charge neutralization. The system is also suitable for speeds as low as 150 m/min.

Power Pack Description

The EN 70 series power packs are robust, high-voltage units meeting electrical engineering standards. Key features include:

Two transformers operating 180° out of phase
Four high-voltage terminals for connection
Reliable removal of surface charges even at high speeds
Two relay contacts for fault signaling
EN 70 RLC includes an integrated watchdog function that monitors corona inception voltage and signals faults via a flashing LED
HAUG System X-2000 coaxial high-voltage plug-and-socket connection enabling tool-free, airtight, and safe connections

Tandem Ionizing Bars

The bars have a round design allowing precise rotary adjustment to the material's running direction. They are safe to touch and equipped with low-wear special electrodes for long service life. The design complies with stringent mechanical engineering requirements.

Models and Variants

EN 70: Basic power pack without watchdog function
EN 70 LC: Recommended for use with tandem ionizing bars mounted above and below the material web
EN 70 RLC: Includes watchdog function and fault relay outputs

Technical Data

Parameter	Value
Supply Voltage	115 V or 230 V AC (fixed to device)
Power Consumption	Approx. 160 VA
Rated Output Voltage	Approx. 7 – 8 kV
Short-Circuit Output Current	5 mA
Contact Load at Signalling Terminal (RLC)	Max. 24 V / 35 V, max. 50 mA
High Voltage Terminals	2 x 4
Max Connectable Lengths	2 x 18 m (ionizing unit including HV cable)
Operating Temperature	+5 °C to +45 °C
Storage/Transport Temperature	-15 °C to +60 °C
Protection Type	IP 54
Weight	8.5 kg
Mains Cable	2.6 m (2 x 0.75 mm²; 1 x 1.5 mm²)

Fault Signaling and Outputs (EN 70 RLC)

Relay contacts indicate high voltage OK, mains voltage OK, high voltage failure (below 4.2 kV), and mains voltage failure
Watchdog function signals corona inception voltage drop via flashing LED

Accessories

Shielded signalling cables (5 m, 10 m, 20 m) with round plugs
Round and angled plugs for connections

Recommendations and Usage

HAUG recommends using the EN 70 series power packs in combination with tandem ionizing bars mounted both above and below the material web to ensure effective elimination of electrostatic charges during high-speed production processes.

Manufacturer Information

HAUG GmbH & Co. KG, Germany and HAUG Biel AG, Switzerland are the manufacturers. Contact details and websites are provided for further information.

Catalog excerpts

tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:5.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:9.00pt "Arial", sans-serif; } .font3 { font:16.00pt "Arial", sans-serif; } .font4 { font:17.00pt "Arial", sans-serif; } .font5 { font:59.00pt "Arial", sans-serif; } .font6 { font:7.00pt "Arial Black", sans-serif; } .font7 { font:13.00pt "Arial Black", sans-serif; } .font8 { font:27.00pt "Arial Black", sans-serif; } .font9 { font:10.00pt "Palatino Linotype", serif; } HAUG lonization-for the limination electrostatic charges T=20 ms u= sin 2nft T=20 m 'A J^N Power pack EN 70 / EN 70 LC / EN 70 RLC The high-voltage power pack EN 70 / LC / RLC is a powerful and hard-wearing unit. Its design fulfils all electrical engineering requirements. The EN 70 / LC / RLC power pack is used in fast-running machines in combination with tandem ionizing bars. It is equipped with two transformers which operates by 180° out of phase and four high-voltage terminals each. Any surface charges which might disrupt production will be removed reliably and effectively using the HAUG ionizing unit - even at high operating speeds (see ill. 1). The power pack EN 70 RLC has two additionally relay contacts for fault signals. The watchdog function integrated into the secondary area serves to indicate any drop below the corona inception voltage by means of a flashing LED (ill. 3). The HAUG System X-2000 coaxial high-voltage plug-and-socket connection (ill. 2) offers a unique benefit. The airtight high-voltage plug can be connected to HAUG power packs without any tools. The highly flexible coaxially shielded safety cable is used to connect the ionizing unit to the voltage supply source. Due to its round design, the tandem ionizing bars El RD / El VD / El HRD allow a pin-point rotary adjustment to the running direction of the material. The ionizing bars are absolutely safe to touch. Low-wear special electrodes ensure a long service life. The design fulfils the most stringent requirements imposed by the mechanical engineering industry. ill. 1 Voltage curves for the two transformers (by 180° out of phase) 1 Functional principle of a tandem ionizing system The example given is based on a web speed of V = 900 m/min. The bars are mounted at a distance of 300 mm and designated and S2. These designations are also indicated on the relevant voltage curves. The ionizing effect is indicated for times t1 and f2. Tandem ionizing bars are also suitable for machine speeds of > 150 m/min. Recommendation HAUG power packs EN 70 and EN 70 LC should be used in combination with tandem ionizing bars mounted above and below the material web (see illustration). HAUG GmbH & Co. KG 0 J 0 N z 111 Power pack EN 70 Identical to power pack EN 70 LC but without integrated watch-dog function. ill. 2 Friedrich-List-Str. 18 D-70771 Leinf.-Echterdingen Phone: +49 711 / 94 98-0 Telefax: +49 711 / 94 98-298 HAUG Biel AG www.haug.de E-mail: [email protected] Switzerland Johann-Renfer-Str. 60 CH-2500 Biel-Bienne 6 Phone: +41 32 / 344 96 96 Telefax: +41 32 / 344 96 97 www.haug-ionisation.com E-mail: [email protected]

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tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:7.00pt "Arial", sans-serif; } .font1 { font:5.00pt "Arial Black", sans-serif; } .font2 { font:7.00pt "Arial Black", sans-serif; } .font3 { font:13.00pt "Arial Black", sans-serif; } o o EN 70 RLC Technical data EN 70, EN 70 LC, EN 70 RLC J Types: EN 70 (115 V) Order-No.: 01.7700.000 EN 70 (230 V) Order-No.: 01.7701.000 EN 70 LC (115 V) Order-No.: 01.7700.100 EN 70 LC (230 V) Order-No.: 01.7701.100 EN 70 RLC (115 V) Order-No.: 01.7700.400 EN 70 RLC (230 V) Order-No.: 01.7701.400 Protection type: IP 54 Supply voltage: 115 V~/ 230 V~...

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