Citel DS240S-220DC, 220V DC Type II SPD


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DS210-DC surge protectors are designed to protect equipment connected to DC (and AC) power supplies from lightning surges. It is based on varistors matched to the network voltage: the varistors have thermal disconnection devices to control any end-of-life. These SPD are DIN rail compatible and is connected in parallel on the line to be protected.


  • DC power surge protector
  • 220V DC
  • Compact design
  • Imax: 40 kA
  • Pluggable module
  • Remote signaling
  • Very low Up protection level


SPD type  2

Network  DC or PV network 220V DC

Nominal DC voltage  220V DC

Nominal PV voltage  220V DC

Max. AC operating voltage L-N  210V AC

Max. PV operating voltage  275V DC

Max. DC operating voltage  275V DC

Max. load current  20 A

Residual Current  < 0.1 mA

Operating current  < 0.1 mA

PV Permanent Operating current  < 0.1 mA

Follow current  None

Nominal discharge current  20 kA

Max. discharge current  40 kA

Total Maximal discharge current  80 kA

Current withstand short circuit PV  1000 A

Connection mode(s)  +/-/PE

Protection mode(s)  Common mode

Protection level +/PE (-/PE)  900 V

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