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Operating instructions

Electronic circuit breakers, standard

for the 24 V DC secondary circuit

DF11xx
DF12xx
DF25xx

11367179 / 00   09 / 2022

GB

Summary of Contents for DF11 Series

Page 1: ...Operating instructions Electronic circuit breakers standard for the 24 V DC secondary circuit DF11xx DF12xx DF25xx 11367179 00 09 2022 GB...

Page 2: ...perature factor continuous current rating 6 4 2 Fail safe element 6 5 Installation 7 6 Electrical connection 8 6 1 Supply feedback and potential modules 8 7 Operating and display elements 9 7 1 DF12xx...

Page 3: ...data approvals and further information using the QR code on the unit packaging or at www ifm com 1 1 Symbols used Requirement Instructions Reaction result Designation of keys buttons or indications Cr...

Page 4: ...ot adhered to personal injury and or damage to property may occur The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or incorrect use by the op...

Page 5: ...x DF25xx 5 3 Intended use Electronic overcurrent protection for primary switched mode 24V DC power supplies A supply module must be combined with at least one circuit protection module and optionally...

Page 6: ...tallation area IP 20 operating area Electrical connection Type push in terminals contact lever strip applicable 4 1 Temperature factor continuous current rating The time current characteristic curve d...

Page 7: ...rcuit breakers standard DF11xx DF12xx DF25xx 7 5 Installation u Mount the devices on a 35 mm rail 2 3 4 1 Fig 1 Example circuit protection module DF12xx 1 Rail 2 Contact lever 3 Installation area 4 Op...

Page 8: ...2 mm wide micro screwdriver As soon as the supply module is supplied with voltage the device closes the contacts connected to terminals 13 and 14 If a fault occurs at one or several of the connected...

Page 9: ...status with automatic switching on again Tab 1 Status LED DF12xx circuit protection modules 7 2 Interrogation of module to confirm the set nominal current Only for circuit protection modules with adj...

Page 10: ...seconds w The status LED of the selected channel flashes red once w The status LED slowly flashes green max 10 times then red once u Press the ON OFF reset button of this channel when the LED signals...

Page 11: ...e free Only the manufacturer is allowed to repair the unit u After use dispose of the device in an environmentally friendly way in accordance with the applicable national regulations Cleaning the unit...

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