Instrumentaion and Control Systems

Bulletin KA Adjustable Time Delay Series Specification

Adjustable Miniature Time Delay

The ICS KA Series Adjustable Microtimer provides time delay actions that include but are not limited to on delay, off delay, interval delay and recycle timer. Standard and custom time ranges and voltage options are offered. With output current capability up to 500mA at 12VDC, it is suitable for controlling many available relays, solenoids and other load types. The miniature size can be beneficial where space is limited.
KA Series Miniature Time Delay Microtimer

• Externally Adjustable Timing
• 5" 24 ga. Wiring Connections
• AC Models 24, 120 and 240 VAC
• DC Models 12, 24 and 125 VDC
• Miniature Size:  View Drawing
• Custom Timing and Voltages Offered
• Arbitrary Timing Actions Offered


Features

 Provides low-cost miniature time delay for your application.

 Available Functions: ON Delay, OFF Delay, INTERVAL, RECYCLE and ARBITRARY.

 Adjustable by customer-supplied 10K Ohm potentiometer or fixed resistor.

 Timing available from 0.1 seconds to hours.

 Fixed time ranges available in the KM Fixed Timer Series.

 Wide variety of timing ranges and operating voltages available.

 Conformal coating for protection against contaminants.


Specifications

Timing Accuracy: ±1% ±50msec at 25°C, ±5% ±50msec from -20°C to +55°C.

Load Current: 12VDC to 48VDC Models: 0.5A Resistive or Inductive, 125VDC Models: 0.2A Resistive or Inductive. AC Models: 0.25A Resistive or Inductive.

Repeatability: ±0.5% at constant ambient temperature. ±3% from -20°C to +55°C.

Operating Voltage Range: 24VDC to 125VDC Models: 85% to 110% of rated voltage. 12VDC Models: 85% to 125% of rated voltage. AC Models: 85% to 110% of rated voltage.

Temperature Range: AC and DC Models: -20°C to +55°C operating, -40°C to +85°C storage.

Size (less leads): 1.05"L x 0.475"W x 0.15" Thick (DC Models). 1.05"L x 0.475"W x 0.225" Thick (AC Models).


Table 1. Part Number Selection
Timer Action:
(1) - ON Delay
(2) - OFF Delay
(3) - INTERVAL
(5) - RECYCLE (SYMMETRICAL)
(7) - ARBITRARY
 
Timer Range:
Standard Timing:
(1) .1 - 10 SEC.
(4) 1 - 60 SEC.
(2) 10 - 600 SEC.
(5) 1 - 60 MIN.
(3) 10 - 600 MIN.
(0) SPECIAL
Nonstandard Timing:
(0) - *Special

*Customer defined
Input Voltage:
(AC or DC)
Standard Voltage:
(1) 120 VAC
(2) 24 VAC
(3) 120 VDC
(4) 24 VDC
(5) 240 VAC
(8) 12 VDC
(9) 36 VDC
Nonstandard Voltage:

(0) - *Special
*Customer defined
Order Code Example: KA244
KA = KA Series Microtimer
(2) = Timer Action = OFF Delay
(4) = Timer Range = 1 - 60 Seconds
(4) = Input Voltage = 24 VDC
Timer part number drawing
*Options: Fixed and Special Time ranges from 0.1 seconds to hours.
Visit this page for Timing Action Definitions and Waveforms.


timer wiring diagram

Connections. Adjustable Timer Wiring.



on delay wiring diagram

Note. Load and potentiometer are customer-supplied.

KM Dimensions

Note. Dimensions are in inches.



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