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.
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.
Initial Dielectric Strength
Between 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.
Power Requirement:
2W, max.
Transient Protection: 48K90U & 48K91U:
Meets ANSI C37.90 Transient
Specification.
48K01A:
2,500V for 1ms.
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.
Environmental Data
Temperature Range: Storage:
-25°C to +85°C.
Operating:
-25°C to +60°C.
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.
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.
Ordering Information – Authorized distributors are likely to stock boldface part numbers listed below.
Part Number
48K01AS
48K90US
48K91US
Timing Modes
One -
On-Delay
Four -
On-Delay, Interval, On/Interval, Repeat Cycle
Eight -
On-Delay, Off-Delay, Interval, On/Interval, One Shot,
Repeat Cycle, On-Delay/Off-Delay, Accumulating On
Operating Voltage
120VAC 50/60 Hz.
Universal (24-240VAC, 50/60 Hz. or 24-125VDC)
Universal (24-240VAC, 50/60 Hz. or 24-125VDC)
Termination Pins
8
8
11
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
FPGA/CPLD
