1210

Dimensions are shown for

reference purposes only.

Dimensions are in inches over

(millimeters) unless otherwise

specified.

Specifications and availability

subject to change.

AGASTAT

Catalog 1308242

Issued 3-03 (PDF Rev. 4-04)

www.tycoelectronics.com

Technical support:

Refer to inside back cover.

Programmable

Time Delay Relay

• Up to 8 user-programmable timing modes

• 0.1 sec. to 10 hr. programmable timing range

• Socket or panel mount (1/16 DIN enclosure)

• Universal (24-240VAC/24-125VDC) and fixed input types

• 10A output relay with DPDT contacts

• Two LED indicators on universal input types

• ANSI C37.90 transient protection on universal input types

File E60363

File LR29186

Timing Modes

Modes are user selectable via rotary selector switch (shown above) or

screwdriver adjustment on optional recessed knob equipped models that

are available on a special order basis for tamper-resistant requirements.

Modes offered on specific models are:

48K91U: On-Delay, Off-Delay, Interval, On/Interval, One Shot, Repeat

Cycle, On-Delay/Off-Delay, Accumulating On.

48K90U: On-Delay, Interval, On/Interval, Repeat Cycle.

48K01A: On-Delay.

Timing Specifications

Timing Ranges: 0.1 to 1 / 1 to 10 / 10 to 100 sec.; 1 to 10 / 10 to 100 min.;

1 to 10 hr.

Timing Adjustment: Potentiometer adjustment with linear reference

calibrations. Recessed dial option is available on a special order basis for

tamper-resistant requirements.

Accuracy: Repeat Accuracy:

±0.5% ±0.02 sec.

Overall Accuracy:

±1% ±0.02 sec.

Reset Time: 25 ms.

Relay Operate Time: 50 ms.

Relay Release Time: 50 ms.

Contact Data @ 25

°C

Arrangements: 2 Form C (DPDT).

Rating: 10A @ 30VDC or 120/240VAC, resistive.

Expected Mechanical Life: 10 million operations.

Expected Electrical Life: 100,000 operations, min., at rated load.

Initial Dielectric Strength

Between Coil, Contacts and Case: 1,500VAC.

Ordering Information – Authorized distributors are likely to stock boldface part numbers listed below.

Outline Dimensions

Wiring Diagrams (Bottom Views)

(pins numbered clockwise from keyway)

Part Number

Timing Modes

Operating Voltage

Termination Pins

48K01AS

One - On-Delay

120VAC 50/60 Hz.

8

48K90US

Four - On-Delay, Interval, On/Interval, Repeat Cycle

Universal (24-240VAC, 50/60 Hz. or 24-125VDC)

8

48K91US

Eight - On-Delay, Off-Delay, Interval, On/Interval, One Shot,

Universal (24-240VAC, 50/60 Hz. or 24-125VDC)

11

Repeat Cycle, On-Delay/Off-Delay, Accumulating On

Ordering Note: The part numbers listed above are standard products with knobs for adjustment of mode, range and timing. On a special order basis other models are

available with recessed dials requiring a screwdriver for adjustment. On the special order versions, the "S" part number suffix is replaced by an "R" suffix. Consult factory

for availability of special order models.

Mechanical Data

Termination: 8 or 11-pin octal style plug.

Enclosure: Grey plastic 1/16 DIN case for socket or panel mounting.

Indicating LEDs:

48K90U & 48K91U: Power On LED & Output Contacts LED (Typically

flashes when timing, stays on when output relay is

energized.)

48K01A: Output Contacts LED

Sockets: Fits either 27E123 or 27E892 (snap-on) screw terminal sockets.

Weight: 5 oz. (142g) approximately.

Environmental Data

Temperature Range: Storage: -25

°C to +85°C.

Operating: -25

°C to +60°C.

Input Data @ 25

°C

Voltage: 48K90U & 48K91U: 24 - 240VAC, 50/60 Hz. and 24-125VDC.

48K01A: 120VAC, 50/60 Hz.

Power Requirement: 2W, max.

Transient Protection: 48K90U & 48K91U: Meets ANSI C37.90 Transient

Specification.

48K01A: 2,500V for 1ms.

1.89

(48.0) Max.

1.89

(48.0) Max.

48K91US

(dotted line represents

internal connection)

48K90US

48K01AS

Users should thoroughly review the technical data before selecting a product part

number. It is recommended that user also seek out the pertinent approvals files of

the agencies/laboratories and review them to ensure the product meets the

requirements for a given application.

NOTE:

This product has recently been discontinued.

Suggested alternatives are the P&B CNT,

CNS and CNM5 series time delay relays.