Pulsar EN54C-3A7 27.6V DC Fire Alarm Power Supply

Pulsar EN54C-3A7 27.6V DC Fire Alarm Power Supply

These power supplies are designed to provide uninterrupted power for fire alarm systems, smoke and heat control systems, fire protection devices and fire safety automation requiring a stabilized 24 V DC (±15%) voltage.

Standards compliance

EN 54-4:1997+AC:1999+A1:2002+A2:2006

EN 12101-10:2005+AC:2007

Features

27.6 V DC uninterruptible power supply

Independently protected AUX1 and AUX2 outputs

High efficiency up to 89%

Low output ripple

Microprocessor-based automation system

Battery circuit resistance measurement

Automatic temperature-compensated charging

Automatic battery testing

Two-stage battery charging process

Accelerated battery charging

Battery circuit monitoring

Battery voltage monitoring

Battery charging and maintenance monitoring

Compatible with EN54C-LB4 and EN54C-LB8 fuse modules (optional)

Compatible with EN54C-LS4 and EN54C-LS8 sequencing modules (optional)

Optical status indication with LED panel

Deep discharge battery protection (UVP)

Battery overcharge protection

LoB low battery voltage indication

Battery output protection against short circuit and reverse connection

Output voltage control

AUX1 and AUX2 output protection monitoring

Relay output for general ALARM fault

EPS relay output for 230 V mains failure indication

EXTi input for external fault signal

Protections

SCP short-circuit protection

OLP overload protection

OVP overvoltage protection

Surge protection

Tamper protection

Lockable enclosure

Enclosure capacity: up to 2 × 7Ah batteries

Ingress protection: IP30

Dimensions: 330 × 305 × 82 mm (+/-2 mm)

Datasheet

CE certificate

DoP certificate

User manual (ENG)