TWIN C 2440

  • 24 VDC input / output
  • 40 A output current
  • Switches the output to battery power in the event of a mains failure with absolutely no interruption
  • Integrated battery deep-discharge protection with automatic load disconnection
  • Integrated battery test system with warning function
  • Temperature-controlled battery charging
  • Adjustable mains failure threshold
  • Adjustable charging current (up to 4.0 A) to suit the installed battery capacity
  • DIN rail mounting

Technical Specifications

INPUT TWIN C 2440
Rated input voltage 24.0 VDC
Input voltage range 22.0 … 28.0 VDC
No-load current 160 mA
OUTPUT TWIN C 2440
Nominal output voltage when connected to the mains 24 VDC
Output voltage when running on battery power typ. 26.5 … 19.5 VDC
Rated output current 40,0 A
ENERGY STORAGE TWIN C 2440
Transitional period load-dependent
Charging current 0.2 Ah
Deep discharge protection typ. 20.0 VDC
Discharge warning contact typ. 22.0 VDC
Storage type to connect externally VRLA-AGM 24.0 VDC
Storage capacity to connect externally 7 … 80 Ah
SIGNALLING AND COMMUNICATION TWIN C 2440
Signalling LED
Electrical protection TWIN C 2440
Battery fuse recommended 50 A
TWIN C 2440
Width 68 mm
Height 181 mm
Depth 164 mm
Weight 1.1 kg
Installation method DIN rail mounting
CONNECTION 1 TWIN C 2440
Connection type Power terminals
Connection technology Spring-loaded terminals
Single-core conductor 0.75 … 25 mm²
Fine-stranded conductor 0.75 … 25 mm²
Stripping length 18 … 20 mm
CONNECTION 2 TWIN C 2440
Connection type Control and signal terminals
Connection technology Spring-loaded terminals
Single-core conductor 0.08 … 2.5 mm²
Fine-stranded conductor 0.08 … 2.5 mm²
Stripping length 5 … 6 mm
PROTECTION AND SAFETY TWIN C 2440
IP Rating IP 20
Protection class III
TWIN C 2440
Ambient temperature (operation) 0 … +50 °C
Ambient temperature (storage) -20 … +55 °C
Cooling natural convection
TWIN C 2440
EU Declaration of Conformity in accordance with 2011/65/EU, 2014/30/EU
Standards and Regulations DIN EN IEC 62368-1
DIN EN IEC 61000-6-2
DIN EN IEC 61000-6-3
CSA Master Contract: 273388
TWIN C 2440
Product group DC-UPS Module
Packaging unit 1 item
Type of packaging Cardboard box
Country of origin DE
HS-Code 85044095
Item number 85994

Product Description

The TWIN C 2440 DC UPS module is designed for industrial applications and is available in a 24 VDC version with 40 A. Its modular design, comprising an external battery and power supply unit, provides the ideal solution for an uninterruptible 24 VDC system – available in various power ratings to suit a wide range of applications.

Approvals and Applications

CE Marking

CE Marking

2011/65/EU, 2014/30/EU
Master Contract:

Master Contract:

273388

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