The Delta Battery Backup V4/6 is specifically designed for basement drainage systems (submersible pumps/sump pumps) when there is a loss of mains power. The Delta Battery Backup V4/6 will keep submersible pumps running during a power outage, ensuring pumps are continuously running, keeping structures dry.

The Delta Battery Backup V4/6 provides abundant battery backup power, so your sump pump system can continue working through short and medium length power outages. Safeguarding your sump pump equipment and keeping basements remaining dry.

The Delta Battery Backup V4/6 will provide power for 45 hours* to one or two Delta V6 pumps (not simultaneously) in case of a loss of mains power. If power failure occurs, the pumps(s) automatically take power from the Delta Battery Backup V4/6.

Simple to use and easy to install – the Delta Battery Backup V4/6 will clearly display status and comprehensive fault codes.

* Based on PCA guidance of minimum 3 activations per hour.

Key features

  • Capable of running both primary and secondary pump(s)

  • Capable of running 1 x Delta V6 ground water pump without mains power for more than to 1.5 days (depending on number of cycles/hr)

  • Industry leading backup power

  • Quick charge to top-up the battery from empty

  • Digital display to show status and comprehensive fault codes

  • Virtually inaudible and offers tamper-proof installation

  • Operates as a standby unit or can be used in conjunction with Delta HLA and compatible control panels

Technical specification

  • Product Code: DMS E026

  • Nominal Voltage: 220–240 VAC

  • Nominal Frequency: 50 Hz

  • Nominal Current: 9.7 A

  • Battery: 1 battery, 100 Ah

  • Battery Type: Maintenance-free lead based

  • Protection devices: Invertor protection fuse, Fuse charge protection

  • Case Construction: Metal, IP55

  • Weight: 9 kg (excl. batteries)

  • NBS Specification R18 (Clause 310) Pumping Stations and Pressure Pipelines

  • BS 8102:2022 Type C Drained Protection

  • European Directive 2006/95/CE

  • Electromagnetic Compatibility Directive 2004/108/EC

  • And these harmonised standards as applicable:
    EN 61439-1, EN 61439-2, EN 60204-1, EN 55014-1,
    EN 55014-2, EN 61000-3-2, EN 61000-3-3