Bellson Electric - LS-3K Electronic Time Delay Relays

Principle of Operation
The LS-3K range of high repeat accuracy Electronic Time Delay Relays can provide a wide range of time delays from 0.1 seconds to 30 hours in five (5) time ranges. (A,B,C,D & E). With one (1) time delay change over contact and one (1) instantaneous contact as standard.

LS-3K Electronic Time Delay Relays

LS-3K Electronic Timer

Features

Compact Size
Large Linear calibrated dial
Simple conversion of timing range
Timing status indication by 2 LED's
5 Timers with 4 timing ranges on each unit
AC control voltages up to 415 Volts
DC control voltages 12 - 48 volts
Instantaneous and timed change-over contacts

Setting Time Range

Delay time designation	Switch positions for altering the range

	Adjustable range	Adjustable range	Adjustable range	Adjustable range
LS-3K - A	0.1-1 sec	1-10 sec	6-60 sec	1-10 min
LS-3K - B	0.3-3 sec	3-30 sec	0.3-3 min	3-30 min
LS-3K - C	0.6-6 sec	6-60 sec	0.6-6 min	6-60 min
LS-3K - D	6-60 sec	1-10 min	6-60 min	1-10 hrs
LS-3K - E	0.3-3 min	3-30 min	0.3-3 hrs	3-30 hrs

Adjustable Range Setting

(1) Remove the dial and the four scale plates.
(2) Adjust the knobs of the changeover switches by setting them according to the time range table.
(3) Place the plates to be used on top of the others and then reinstall the scale plates and the dial.
(4) Test the time delay time by applying a control voltage to the time delay relay.

Technical Data

Rated Operating Control Voltage

Rated Contact Capacity (Resistive)

Rated Mechanical Life
Rated Electrical Life
Variation in Repeat Operating Time
Variation in Time Due to Temperature
Variation in Time Due to Voltage
Reset Time
Power Consumption
Ambient Temperature Range

: 12, 24, 48, 110, 240 and 415V A/C
: 12, 24 and 48V D/C
: 5A 250V A/C
: 1A 415V A/C
: 5 Million Operations
: 0.2 Million Operations
: ± 0.5% Max.
: ± 2% Max.
: ± 1% Max.
: 0.1 Sec. Max.
: 2.5 VA
: - 10 °C to 55 °C

Connection Details

Accessories

Dimensional Details

Standard Timer

Flush Mounting Bracket Assembly

Order Details
Description	Code
240V TIMER Adjustable up to 10 MIN 240V TIMER Adjustable up to 30 MIN 240V TIMER Adjustable up to 60 MIN 240V TIMER Adjustable up to 10 HRS 240V TIMER Adjustable up to 30 HRS	32-3KA/240 32-3KB/240 32-3KC/240 32-3KD/240 32-3KE/240
12V TIMER Adjustable up to 30 MIN 24V TIMER Adjustable up to 30 MIN 110V TIMER Adjustable up to 30 MIN 415V TIMER Adjustable up to 30 MIN 12V D/C TIMER Adjustable up to 30 MIN 24V D/C TIMER Adjustable up to 30 MIN	32-3KB/012 32-3KB/024 32-3KB/110 32-3KB/415 32-3KB/D12 32-3KB/D24
Electronic Timer Accessories
LS-3K Flush Mounting Bracket LS-3K Back Connect Socket LS-3K Spare DIN/Panel Socket*	32-LSY 32-P3G08 32-PF085
* NOTE: All LS-3K Timers are supplied with DIN Rail/Panel mounting octal socket as standard.