Catalog 1308242
Issued 3-03 (PDF Rev. 4-04)
AGASTAT
NOTE: This product has recently been discontinued.
Suggested alternatives are the P&B CNT,
CNS and CNM5 series time delay relays.
48K series
Program m able
Tim e 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
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.
Tim ing Modes
Initial Dielectric Strength
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.
Betw een Coil, Contacts and Case: 1,500VAC.
Input Data @ 25°C
Voltage: 48K90U & 48K91U: 24 - 240VAC, 50/60 Hz. and 24-125VDC.
48K01A: 120VAC, 50/60 Hz.
48K90U: On-Delay, Interval, On/Interval, Repeat Cycle.
48K01A: On-Delay.
Pow er Requirem ent: 2W, max.
Transient Protection: 48K90U & 48K91U: Meets ANSI C37.90 Transient
Specification.
Tim ing Specifications
48K01A: 2,500V for 1ms.
Tim ing Ranges: 0.1 to 1 / 1 to 10 / 10 to 100 sec.; 1 to 10 / 10 to 100 min.;
1 to 10 hr.
Tim ing Adjustm ent: Potentiometer adjustment with linear reference
calibrations. Recessed dial option is available on a special order basis for
tamper-resistant requirements.
Environm ental Data
Tem perature Range: Storage: -25°C to +85°C.
Operating: -25°C to +60°C.
Accuracy: Repeat Accuracy: ±0.5% ±0.02 sec.
Overall Accuracy: ±1% ±0.02 sec.
Reset Tim e: 25 ms.
Relay Operate Tim e: 50 ms.
Mechanical Data
Term ination: 8 or 11-pin octal style plug.
Enclosure: Grey plastic 1/16 DIN case for socket or panel mounting.
Indicating LEDs:
Relay Release Tim e: 50 ms.
48K90U & 48K91U: Power On LED & Output Contacts LED (Typically
flashes when timing, stays on when output relay is
energized.)
Contact Data @ 25°C
Arrangem ents: 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.
48K01A: Output Contacts LED
Sockets: Fits either 27E123 or 27E892 (snap-on) screw terminal sockets.
Weight: 5 oz. (142g) approximately.
Ordering Inform ation – Authorized distributors are likely to stock boldface part num bers listed below .
Part Num ber
48K01AS
Tim ing Modes
One - On-Delay
Operating Voltage
120VAC 50/60 Hz.
Term ination Pins
8
8
48K90US
Four - On-Delay, Interval, On/Interval, Repeat Cycle
Universal (24-240VAC, 50/60 Hz. or 24-125VDC)
Universal (24-240VAC, 50/60 Hz. or 24-125VDC)
48K91US
Eight - On-Delay, Off-Delay, Interval, On/Interval, One Shot,
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.
Outline Dim ensions
Wiring Diagram s (Bottom View s)
(pins num bered clockw ise from keyw ay)
1.89
(48.0) Max.
48K90US
48K01AS
48K91US
(dotted line represents
internal connection)
1.89
(48.0) Max.
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
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