IP68 enclosures

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The enclosures in IP68 degree of protection have been designed for the compact telecontrol unit SIMATIC RTU3030C. They prevent possible damage to the devices and ensure reliable operation of the components in case of flooding.

Versions:

Aluminum enclosure;
protects devices in tough environments and in the extended temperature range from -40 to +80 °C.
Stainless steel enclosure;
protects devices in tough environments and in the extended temperature range from -60 to +135 °C.

Область применения

The use of the aluminum or stainless steel enclosure in IP68 degree of protection is recommended in all areas in which the SIMATIC RTU3030C needs special protection from dust and humidity.

These are mainly the following areas of application:

Water/wastewater plants, e.g. pumping stations, water towers/tanks, water/wastewater shafts
Tanks and silos
Agriculture, for example, irrigation systems or greenhouses
Flood protection

Дизайн

The enclosures offer sufficient space for an RTU3030C, two battery modules and an additional slot for additional equipment (e.g. a transmitter).

Both enclosure versions are characterized by the following properties:

Cover fastened with Torx-Pin security screws
7 holes (M16) for cable feedthroughs
1 hole for a control cabinet feedthrough or lightning protection element onto which a mobile radio antenna can be mounted
2 pressure compensation elements for ventilation
2 hinges
35 mm DIN rail in the enclosure
2 standard mounting rail end brackets

In addition for the aluminum enclosure:

Enclosure made of aluminum, powder coated, gray (RAL 7001)
Grounding through lightning protection or cable gland

In addition for the stainless steel enclosure:

Made of stainless steel 1.4301, matte surface
Cover can be locked with padlock
Grounding through lightning protection or grounding screw (preinstalled)

Особенности

Reliable device protection under rough ambient conditions
The enclosures protect the devices from dust and other contamination. They also withstand temperatures between -40 to +80 °C or -60 to +135 °C. Two pressure compensation elements ensure optimum ventilation of the enclosure and prevent the formation of condensation in case of extreme temperature fluctuations. Thanks to the protection class IP68, the devices are also waterproof and can be used in areas that are at risk of being flooded. (Please note the installation notes on the cover screws and openings for cable feed-throughs in the topic Accessories).
Protection against unauthorized access
The enclosure cover is fastened with Torx Pin security screws made of stainless steel. This makes it harder to access the devices inside the enclosure. For stainless steel enclosures, the option of an additional padlock offers additional protection.
Simple device mounting
A preassembled 35 mm DIN rail makes for fast and easy device mounting inside the enclosure. The enclosure cover can be opened conveniently thanks to the existing hinges. Cable feedthroughs have already been prepared for direct connection of sensors.
Flexible mounting of the mobile radio antenna
The mobile radio antenna can be mounted either through a control cabinet feedthrough or a lightning protection element. The antenna can be mounted directly or remotely.

Технические данные

Order number	6NH3112-3BA00-1XX3	6NH3112-3BA00-1XX1
Product type designation	Aluminum housing with protection class IP68	Stainless steel housing with protection class IP68
Suitability for use	IP68 protection 1 m / 24 h	IP68 protection 1 m / 24 h
Suitability for operation	Suitable for SIMATIC RTU3030C with part number 6NH3112-3BA00-0XX0	Suitable for SIMATIC RTU3030C with part number 6NH3112-3BA00-0XX0
Mechanical data
Material	aluminum, powder coated	stainless steel (1.4301, V2A)
Color	gray (RAL 7001)	surface matt
Permitted ambient conditions
Ambient temperature
● during operation	-40 ... +80 °C	-60 ... +135 °C
● during storage	-40 ... +80 °C	-60 ... +135 °C
● during transport	-40 ... +80 °C	-60 ... +135 °C
Relative humidity
● at 30 °C without condensation during operation maximum	95 %	95 %
Protection class IP	IP68; 1 m / 24 h, observe the installation instructions	IP68; 1 m / 24 h, observe the installation instructions
Design, dimensions and weight
Width	280 mm	300 mm
Height	230 mm	300 mm
Depth	111 mm	150 mm
Net weight	3 395 g	5 960 g
Design of the screw head torx	Yes; Pin-Torx	Yes; Pin-Torx
Installation or assembly note	Required tightening torques: Cable gland with article number 6NH3112-3BA00-1XX4: Cap nut 5 - 6 Nm, fittings 3.5 - 4.5 Nm, sealing plug with the article number 6NH3112-3BA00-1XX5: 2.5 - 3.5 Nm	Required tightening torques: Cable gland with article number 6NH3112-3BA00-1XX4: Cap nut 5 - 6 Nm, fittings 3.5 - 4.5 Nm, sealing plug with the article number 6NH3112-3BA00-1XX5: 2.5 - 3.5 Nm

Order number	6NH3112-3BA00-1XX4	6NH3112-3BA00-1XX5
Product type designation	Cable gland	closing plugs
Product description	M16, for IP68 housing	M16, for IP68 housing
Suitability for use	IP68 protection 1 m / 24 h	IP68 protection 1 m / 24 h
Suitability for operation	Suitable for stainless steel housing with part number 6NH3112-3BA00-1XX1 and for aluminum housing with part number 6NH3112-3BA00-1XX3	Suitable for stainless steel housing with part number 6NH3112-3BA00-1XX1 and for aluminum housing with part number 6NH3112-3BA00-1XX3
Mechanical data
Material	brass, nickel plated	brass, nickel plated
Permitted ambient conditions
Ambient temperature
● during operation	-40 ... +100 °C	-40 ... +100 °C
● during storage	-40 ... +100 °C	-40 ... +100 °C
● during transport	-40 ... +100 °C	-40 ... +100 °C
Protection class IP	IP68; 1 m / 24 h, observe the installation instructions	IP68; 1 m / 24 h, observe the installation instructions
Design, dimensions and weight
Diameter		18 mm
Length	37.3 mm	8 mm
Net weight	27.7 g	5.48 g
Connectable cable cross-section	4.5 ... 10 mm
Installation or assembly note	Required tightening torque: cap nut 5 - 6 Nm, connection piece 3.4 - 4.5 Nm	Required tightening torque: hand-tight using tool, approx. 2.5 - 3.5 Nm

Дополнительно

The cable glands and sealing plugs can be ordered separately in the necessary quantity for the matching aluminum and stainless steel enclosures.

Cable gland

The cable gland of the type M16 has been designed for a temperature range of -40 to +100 °C and corresponds to IP68 degree of protection.

Sealing plug

The type M16 sealing plug has been designed for a temperature range of -40 to +100 °C and corresponds to IP68 degree of protection.

Installation instruction for IP68-Schutz

The IP68 protection for aluminum and stainless steel enclosures is only ensured when the cover screws (and screws for the flange plate on stainless steel enclosures) are screwed in with the specified torque and if all holes drilled into the enclosure have been equipped with the corresponding accessories (cable glands or sealing plugs or lightning protection elements). The following torque must be applied:

Aluminum enclosure cover screws: 2.5 Nm
Stainless steel enclosure cover screws (as well as pre-mounted flange plate): 2.5 Nm
Cable gland M16 cap nuts: 5 - 6 Nm
Cable gland M16 supports: 3.5 - 4.5 Nm
Sealing plugs M16: Hand tighten with tool to 2.5 – 3.5 Nm
Pressure equalizing element M12 (pre-mounted): 1.5 Nm
Cabinet feedthrough / lightning protector: 1.5 Nm