Page 186 - Surge-Protection-E_0.pdf

Compact SPDs – DIN Rail Mounted

BLITZDUCTORconnect – Compact
• Universal lightning current and surge arrester
– For protecting data bus interfaces as well as measuring and
control circuits
– High discharge capacity of 3 kA (10/350 µs), 10 kA (8/20 µs)
– Max. impulse current carrying capability (8/20 µs) Imax up to 20 kA
– Low voltage protection level, also capable of protecting terminal
equipment
• Compact arrester
– Fast and simple cable connection thanks to push-in connection
technology
– High system availability thanks to fail-safe performance
• Function-optimised design with a width of 6 mm
– LifeCheck and visual status indication integrated in the module
BLITZDUCTORconnect for protecting measuring and control systems – Simple remote signalling of the status with the help of an optional
remote signalling unit
– Vibration and shock-tested for safe operation
Compact SPDs – DIN Rail Mounted The combined lightning current and surge arresters of the BLITZDUCTOR- arrester of an arrester group to be replaced is identified visually (red indi-

connect series with a compact design are designed for universal use and
system protection in industrial environments, at information technology cator flag).
Optionally, arrester groups can be monitored using a built-in remote
signal interfaces, and in the field of automation or measuring and control signalling unit. The status is reported to a higher-level control system via
technology: a floating break contact.
Thanks to their high lightning current discharge capacity and low voltage The combination of transmitter and receiver unit in a single device mini-
protection levels, they optimally meet the requirements for reliably pro- mises the wiring effort when installing the remote signalling unit. At the
tecting terminal equipment. same time, there is no need for additional parameterisation of the
The arresters are available in different types and protect two single lines modules.
sharing a common reference potential (unbalanced interfaces) or one un- A defined fail-safe function (fail-open) disconnects the overloaded com-
earthed pair (balanced interface). An arrester with a high cut-off frequen- ponents (decoupling impedance, fine protection) from the signal circuit.
cy is available for balanced bus interfaces with high data rates (e.g.: However, the signal circuit itself remains active and is not interrupted. The
Profibus, RS485), an Ex approved type (dust and gas) for intrinsically safe system circuit remains available and operation is maintained until the
signal circuits. arrester is replaced. In this way, plants and systems can be operated
The cables are connected using the vibration-proof push-in connection safely and are highly available at all times.
technology. For connection, stripped solid and flexible conductors with The arresters also feature a disconnection function which makes it possi-
wire end ferrules can be clamped and contacted quickly, easily and with- ble to interrupt the signal circuit during maintenance (e.g. for measure-
out tools. When rewiring, the conductor is freed from the clamping point ments). The signal circuit is interrupted by turning the protection module
by pressing the release button and reclamped into the appropriate termi- by 180° and inserting it into the base part. Consequently, measurements
nal. Holes in the housing at each conductor terminal allow measurements to be carried out quickly and easily – without the need to use tools or
in the signal circuit using test probes. install disconnect terminals.
The arresters of the BLITZDUCTORconnect series are equipped with a Arresters with approval for Ex applications and other accessories, e.g.
mechanical status indication which clearly shows the status of the arrest- PARTITION EXI for disconnecting intrinsically safe and non-intrinsically
er (green or red indicator flag). In the event of arrester overload, the safe signal circuits, round off the product portfolio.

Quickly tested – at a glance Connect = Protect Easy maintenance Maximum system availability
Integrated indication for easy and Push-in connection technology for Simple status message with monitor- Approvals for use in intrinsically safe
fast maintenance simple and fast cable connection ing unit for arrester groups measuring circuits

182 You will find detailed product information on our website Valid as of August 1, 2020