robert agencies

No. 88, Reclamation Road, Colombo 11. Tel : 242 1009 (Hunting) Fax : 244 9590 ( Office hours) Fax : 255 1313 (After Office Hours)
Branch : 108, Keyzer Street, Colombo 11. E-MAIL : robertagenciesltd@gmail.com

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Public Address Systems Calculators Polythene Sealers Measuring Instruments

ITEM CODE:VST MISC11
MODEL : PG-10F

POWER GUARDS FOR REFRIGERATORS,
DEEP-FREEZERS, AND AIR CONDITIONERS.

10 AMP POWER GUARD (180V-260V)
TIME DELAY SWITCHES APPROX. 4MINUTES.
CUT OFF AVAILABLE BOTH SIDES.

ITEM CODE :VST MISC12
MODEL : PG-30F

30 AMP POWER GUARD
(180V-260V) TIME DELAY
SWITCHES APPROX.
4 MINUTES. CUT OFF AVAILABLE
BOTH SIDES.

AUTOMATIC VOLTAGE REGULATOR

ITEM CODE :VST MISC29
MODEL : SVC500

Model : SVC-300 / Capacity : 300VA
Input Voltage : 160-260V/50-130V
165-250V
160-260V/50-130V
Output Voltage(=1% : 220V-110V / 240V-110V
Phase : Single
Frequency (Hz) : 50 / 60/ 50-60

* Response time: within 4SEC Against 10% Input Fluctuation

500 Watts

ITEM CODE :VST N01
MODEL : ST500

INPUT VOLTAGE : 50-130V/160-240V
SWITCH ABLE 50/60HZ
OUTPUT VOLTAGE : 110 & 220v + 3% 50/60HZ
CAPACITY : ST500W..... 500VA
RESPONSE TIME : WITHIN 0.5SEC. AGAINST
10% INPUT FLUCTUATION.
CONTROL SYSTEM : SERVO MOTOR CONTROL.

1000 Watts

ITEM CODE :VST N02
MODEL : ST1000

INPUT VOLTAGE : 50-130V/160-240V
SWITCH ABLE 50/60HZ
OUTPUT VOLTAGE : 110 & 220v + 3% 50/60HZ
CAPACITY : ST1000W..... 1000VA
RESPONSE TIME : WITHIN 0.5SEC. AGAINST
10% INPUT FLUCTUATION.
CONTROL SYSTEM : SERVO MOTOR CONTROL.

AUTO VOLTAGE
STABILISER ”STAC”

2000 WATTS

MODEL : ST 2000
ITEM CODE: VST N03

INPUT VOLTAGE : 50-130V/160-240V
OUTPUT VOLTAGE : 110V & 220v + 50/60HZ
CAPACITY : ST2000W..... 2000VA
RESPONSE TIME : WITHIN 0.3SEC. AGAINST
10% INPUT FLUCTUATION.
CONTROL SYSTEM : SERVO MOTOR CONTROL.

ITEM CODE :VST N04
MODEL : ST3000

3000 Watts

INPUT VOLTAGE : 50-130V/160-240V
OUTPUT VOLTAGE : 110 & 220v + 2% 50/60HZ
CAPACITY : ST3000VA
RESPONSE TIME : WITHIN 0.3SEC. AGAINST
10% INPUT FLUCTUATION.
CONTROL SYSTEM : SERVO MOTOR CONTROL.

ITEM CODE :VST INV 07
MODEL : JBS-10B

SPECIFICATIONS
DC Input Voltage: 12V(10-15V)
AC Output Voltage: 220V
Output Frequency:50Hz
Output wave form: Modified Sinewave
Continuous Output Power: Alligator Clip 300W
Cigarette plug 150W
Surge Power Capacity: 600atts
Efficiency: Over 90%
No load current: <0.65A
Input 100% load current draw: 25.9A
Output 100% load current draw: 1.266A
Battery low alarm: DC 10.5±0.5V
Battery low shutdown: DC 10 ±0.5V

WE ARE THE PIONEER'S OF

ELECTRONICS IN SRI LANKA

PLEASE FEEL FREE

VISIT OUR WEBSITE

MODEL : AT400X
ITEM CODE: VST INV02

DC-AC INVERTER "EXPOWER"
400 WATTS
INPUT VOLTAGE : DC 12V (10.4 -14V)
OUTPUT VOLTAGE : AC110V -AC220
FREQUENCY : 50/60HZ
WAVE FROM : RECTANGULAR WAVE
OUTPUT POWER : 400 WATTS
OVER LOAD PROTECTOR
OVER DISCHARGE PROTECTOR

MODEL : AT500R
ITEM COD : VST INV03

DC-AC INVERTER

500 WATTS
INPUT VOLTAGE : DC 12V (10.5 -14V)
OUTPUT VOLTAGE : AC220V -AC110
FREQUENCY : 50/60HZ
WAVE FROM : RECTANGULAR WAVE
OUTPUT POWER : 500 WATTS
OVER LOAD PROTECTOR
OVER DISCHARGE PROTECTOR

(L)

MODEL : TMG-10B
ITEM CODE: VST INV04

INPUT VOLTAGE : DC12V(10-14V) 24V(20-30V)
OUTPUT VOLTAGE : AC220V/50Hz
OUTPUT POWER : 300W
PEAK POWER SURGE CAPABLE
HIGH GRADE THERMAL PROTECTION
OVERLOAD PROTECTION
BATTERY LOW SHUTDOWN
DC TO AC POWER INVERTER

VOLTAGE STABILISERS - RELAY TYPE

ITEM CODE : VST INV05
MODEL : AT1000

1000W

INVERTER
INPUT VOLTAGE DC 24V (21~ 28V)
OUTPUT VOLTAGE AC 110 V AND 220V
OUTPUT POWER 1000 W MAX.
EFFICIENCY 90% APPROX.
FREQUENCY 50/60 HZ (FREQUENCY STABILITY: ± 3%)
WAVE FROM RECTANGULAR WAVE

ITCODE :VST C06BL
MODEL : AST1000VA

1000 WATTS

CAPACITY : 1000VA
INPUT (V) : 100-260V,
OUTPUT (V) : 220+-5%,
PHASE : SINGLE
FREQ. : 50/60Hz
TRANSFER TIME : LESS THAN 0.5 SECONDS
DELAYING OUTPUT TIME : IN THE RANGE OF 3-5 MINUTES

Amplifiers Conference Systems Microphones Megaphones Microphone Stands Speaker Units

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