Schneider A9L40281 Acti9 iPRD-DC 40r Surge Arrester 2P 1000V DC

The Schneider Electric A9L40281 is a pluggable 2-pole Type 2 DC surge protective device from the Acti 9 iPRD PV-DC range, designed to protect photovoltaic systems against transient overvoltages. It supports a rated voltage of 1000 V DC, delivers a maximum discharge current of 40 kA, and incorporates a volt-free remote signaling contact for monitoring integration.

Technical specifications:

• Commercial reference: A9L40281
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iPRD PV-DC
• Product type: Pluggable surge protective device
• Number of poles: 2P
• Surge arrester class: Type 2, MOV technology
• Rated voltage [Ue]: 1000 V DC (+/- 10%)
• Maximum continuous operating voltage [Ucpv]: 1000 V DC (differential and asymmetric modes)
• Nominal discharge current [In]: 15 kA
• Maximum discharge current [Imax]: 40 kA
• Voltage protection level [Up]: <3.9 kV (Type 2, all modes)
• Short-circuit current rating [Iscpv]: 200 A
• Maximum PV open-circuit voltage at STC: 833 V
• Signal contact: 1 C/O, volt-free, 250 V AC / 0.25 A
• Local indication: white/red flag
• Built-in disconnector: yes
• Response time: <=25 ns
• Mounting: snap-on, DIN rail
• Dimensions (W x H x D): 54 x 85 x 69 mm
• Weight: 400 g
• Connection: tunnel terminal 2.5-25 mm² rigid / 2.5-16 mm² flexible
• Tightening torque: 3.5 N.m
• IP rating: IP40 (front) / IP20 (terminals)
• IK rating: IK03
• Operating temperature: -25 to 60°C
• Certification: CE
• Standards: EN 50539-11:2013, UTE C 61740-51
• Warranty: 18 months

Features and benefits:

• Pluggable cartridge design allows module replacement without disconnecting wiring
• Built-in disconnector enables safe isolation during maintenance
• Volt-free 1 C/O signaling contact supports remote alarm or SCADA integration
• White/red flag local indicator provides quick visual status confirmation
• Dual-mode protection covers differential (L+/L-) and asymmetric (L+/PE, L-/PE) configurations

Applications:

• Overvoltage protection for 1000 V DC photovoltaic generator circuits
• Solar inverter input protection in residential and commercial PV installations
• DC distribution boards and combiner boxes in utility-scale PV plants
• Installations requiring remote fault signaling or building management system integration

Compliant with EN 50539-11:2013 and UTE C 61740-51. Part of the Schneider Electric Acti 9 range.

Also known as: Schneider A9L40281, Schneider Electric A9L40281, iPRD-DC 40r 1000V DC surge arrester, Type 2 photovoltaic surge protective device.