Samlexpower SEC-2450BRM Specifications

MODELS : SEC-2430BRM SEC-2440BRM SEC-2450BRM Please read this manual before operating your power supply. INSTALLATION & O

Regulated output voltage of 28 V +/ - 1% from the modules ( measured at screw ter-minals S5 and S6 (Fig.1) is fed to the positive and negative DC bus

8. If the input A.C. power is interrupted, the external battery feeds the load instantane-ously through the Schottky Diode D2 (D2 will by-pass the res

INSTALLATION AND REMOVAL OF POWER SUPPLY MODULES NOTE: INSTALLATION AND REMOVAL OF POWER SUPPLY MODULES SHOULD BE PERFORMED ONLY BY QUALIFIED PER

10. UPGRADING TO HIGHER CAPACITY – INSTALLING ADDITIONAL MODULE(S) Additional optional module(s) (Model No. SEC-1024MPSB) can be added to upgrade the

REMOVING A DEFECTIVE MODULE 1. Remove the top cover plate by unscrewing the 10 screws. 2. Locate defective module. Remove the 6 screws from S1

“ PSM STATUS ” LED(S) DOES NOT LIGHT UP · The associated module has become defective. The unit will still operate normally as the remaining working

LIMITING ELECTROMAGNETIC INTERFERENCE (EMI) 1. Switched mode power supplies ( SMPS ) employ high frequency switching and thus, are a source of radi

5. The conducted RF noise from these power supplies is limited to the maximum allowable levels by internal filtration. The filtered RF noise currents

c. Twist the positive and negative wires from the output of the power supply to the radio d. The DC side positive and negative outputs of these po

SPECIFICATIONS NO. OF MODULES 3 4 5 INPUT VOLTAGE RANGE 105 TO 125 V AC, 60 HZ INPUT CURRENT 12A 16A 20A OUTPUT VOLTAGE (A

• PROVIDES N + 1 REDUNDANCY • ALLOWS CONNECTION OF EXTERNAL BATTERIES FOR BACKUP • EXPAND OUTPUT POWER BY ADDING POWER MODULES • UP TO 50 AMPS CONTINU

Figure 1 - Layout of Power Supply Module S1 to S4 Holes for 4 screws to fasten the module to the chassis S5 & S6 Holes for 2 scre

CONTINUITY OF “ DAISY CHAIN “ CONNECTIONS Removing any end module (example PSM1/PSM5 in Fig. 2 above) does not break the daisy chain. However, if an

2 YEAR Limited Warranty This product manufactured by Samlex America, Inc. (the “Warrantor”) is warranted to be free from defects in workmanship and

Attach copy of receipt here for your records: Date purchased: Additional notes: Purchased from: 20.

Thank you for purchasing a Samlex power supply product ! Samlex America Inc. 110 –17 Fawcett Road Coquitlam

TABLE OF CONTENTS Topic Page Important safety instructions 1,2 Description and application 3 Design and

IMPORTANT SAFETY INSTRUCTIONS Please read before using your power supply. CAUTION ! ALL ELECTRICAL INSTALLATIONS MUST MEET LOCAL AND NA-TIONAL WIR

LOAD AND BATTERY CONNECTIONS THE LOAD & BATTERY TERMINALS ON THE POWER SUPPLY HAVE A TUBU-LAR HOLE OF DIAMETER 8mm (0.31”) WITH A SET SCREW. ALWA

DESCRIPTION This is a 19 inch Rack Mount Power Supply which converts 120 V , 60 Hz. AC power into regulated 28 V DC , +/- 1% (At module output*) deli

A warning circuit monitors the operational condition of the fans. In case of a fan fail-ure, a buzzer will sound and the red LED indicating “TEMP. FA

3. REMOTE MONITORING AND INDICATIONS . A 25 pin D-sub connector has been provided for remote monitoring and indication. Pin connections are given bel

FAN FAILURE WARNING INDICATOR AND ALARM : If forced air cooling is stopped due to failure of any one or both the fans, the red “ TEMP. FAULT “ LED wi