Name: Herald Corporation
Address: 1, Chandni Chawk Street, Kolkata, 700072, IN
Telephone: 9830059416
Price range: RS

Product Features:

Din sized enclosure for Track (Din rail) / Screw mounting.
B1DCA-T : HOLD / RESTART facility during power fail conditions.
B1DCA-T : Auto / Manual switch for mode of operation
B1DCA-T : Program – enable / disable facility for tamper proof operation.
B1DCA-X, B1DCA-T : Independently selectable ON & OFF time.
SPP-T :Trips under phase missing, phase reversal or phase unbalance
In manual mode, terminals provided to connect to switch so as to manually switch ON and switch OFF load

Model	B1DH-Q	B1DF	SPP-T	B1D-FR
Function	Power Off-Delay	On-Delay with instant contact	Phase Unbalance, Phase Failure, Negative Phase Sequence Monitor & Contol	Switch two Loads with delay in between in cyclic fashion
Rated supply voltage	110V AC to 240V AC 110V DC to 220V DC	24V DC 240V AC	415V AC, 3 phase	240V AC
Operation Voltage Range	-20% to +10% of rated voltage	-10% to +10% of rated voltage(For 24V DC) – 20% to +10% of rated voltage(For 240V AC)	-65% to +20% of rated voltage	-20% to +10% of the rated voltage
Rated frequency	50 / 60Hz ± 5%	50Hz ± 5%
Trip Time Delay	N.A	N.A	Unbalance: 2.5 sec max , Unbalance response :10% ± 3% ,Phase failure:2 sec max	N.A
Control relay output	2 c/o rated for 5A @ 250V AC / 28V DC resistive load	1 c/o Rated for 5A @ 250V AC / 28V DC resistive load
Mode of Operation	N.A		Auto / Manual	N.A
On delay time	N.A		30 Sec ± 4 Sec (Auto mode)	N.A
Power consumption	150mA peak current, 5mA once stabilized.	AC approx. 15VA / 3W (FOR 240V AC) Approx. 2W(FOR 24V DC)	AC approx.34VA / 7W	AC approx.30VA
Time range	6Sec – 60 Sec	0.3Sec – 30Min	N.A	Forward & Reverse 0.6Min to 6Min, Delay 0.1 Min to 1Min
Range selection	N.A	3S, 30S, 3M, 30M	N.A	N.A
Setting accuracy	± 10% max. w.r.t full scale ± 100mSec		N.A	± 10% max. w.r.t full scale ± 100mSec
Repeat accuracy	± 2% max. ± 100mSec	± 1% max. ± 100mSec	N.A	± 1% max. ± 100mSec
Recovery time	N.A	100mSec minimum	100mSec minimum	150mSec minimum
Minimum energisation time	1Sec	N.A		N.A
Temperature co-efficient	± 0.5% max. for every1°C	N.A		N.A
Variation due to voltage change	± 2% max.± 100mSec		N.A	± 2% max. ± 100mSec
Variation due to temperature change	± 5% max.± 100mSec @ 25°C	± 5% max.± 100mSec	N.A	± 5% max. ± 100mSec
Variation due to frequency change	± 2% max.± 100mSec		N.A	± 2% max. ± 100mSec
Ambient temperature	Operation -10ºC to +55ºC, Storage -25ºC to +80ºC
Humidity	MAX 85% RH@40ºC
Service life (under no load)	10⁶ operations minimum
Electrical life (under full load)	10⁵ operations minimum
Rated frequency of operation	120 ± 5% operations per hour maximum	1800 ± 5% operations per hour maximum
Insulation resistance	> 100M ohms@500V DC
Dielectric strength	1. 2.5KV AC, 50Hz for 1minute.(Between current carrying & non current carrying parts.) 2. 1.5KV AC, 50Hz for 1minute. (Between contacts & control circuit.) 3. 1KV AC, 50Hz for 1minute. (Between non-continuous contacts of the relay.)
Electrical connection	Screw type terminals with self lifting clamps
Dimension	45 x 75 x 116mm (W x H x D)
Allowable Ripple	N/A	3 % maximum(For 24V DC only)	N/A
Enclosure (series)	B1D series		N/A	B1D series

Connections:

Dimensions:

Timing Diagram:

Hints on correct use:

Change the positions of respective range selector switches of the timer & rotate the respective pot to get desired ON & OFF time setting with the flat blade screw driver

Caution:

Apply appropriate personal protective equipment(PPE) and follow safety work practices
Only qualified electrical workers should install this equipment. Such work should be performed only after reading this entire set of instructions.
If the equipment is not used in the manner specified by the manufacturer, the protection provided by the equipment may be impaired.
NEVER work alone.
The successful operation of this equipment depends upon proper handling, installation and operation. Neglecting fundamental installation requirements may lead to personal injury as well as damage to electrical equipment or other property.
NEVER bypass external fusing.
Failure to follow these instructions will result in death or serious injury.
EAPL is not responsible for any consequential damages arising out of use of our products, though the technology is cautiously chosen and implemented like any other well designed good electric device
NOTE : User should not apply external voltage to the terminals that are designated as potential free(Zero/No Volt).