Time Mark 280, 281 Data Sheet
MODEL 280
TIME MARK is a division of
MODEL 281
General Purpose
Relays
For industrial grade applications
High reliability
Long life
DESCRIPTION
The Model 280 and 281 General Purpose Plug-in
Relays are heavy duty, high quality relays available at
a competitive price. UL recognized and CSA approved, the Model 280 and 281 have a long life of
over ten million mechanical operations. Model 280
and 281 relays are available in a variety of AC and
DC voltages. Model 280 is a DPDT 8 pin relay and
the Model 281 is a 3PDT 11 pin relay.
COIL RATINGS
Rated voltage Rated current
60Hz 50Hz
24
AC 120 18 21 110% of rated voltage 80% of rated voltage
240 10.5 12.5 without overheating
12 120
DC 24 60
110
(mA) + 15%
@ 68°F
105 121
13.5
Maximum continuous
applied voltage
@ 68°F
Minimum operate
voltage @ 68°F
SPECIFICATIONS
Model 280-xxx and 281-xxx
Contact material Silver (AG)
Operating voltages 12, 24, 110VDC; 24, 120, 240VAC
Operate time 25ms maximum
Release time 25ms maximum
Power consumption AC: Approx. 2.5VA (60Hz) DC: Approx. 1.5W
Insulation resistance 100 megohm minimum (measured w/ DC500V megger)
Dielectric strength
Frequency response 1,800 operations/hour
Temperature rise Coil: 185°F max. Contact: 149°F max.
Vibration resistance 0 to 6g (55Hz maximum)
Shock resistance 10g minimum
Life expectancy
Contact ratings
Horsepower rating 120VAC: 1/4 hp
Operating Temp -22° to +158° F
Agency approval UL Recognized and CSA Certified
Between live and non-live parts: 2,000VAC, 1 min.
Between contact circuit and operating coil: 2,000VAC, 1 min.
(1000V, 1 min. between contacts of same polarity)
Electrical: Over 500,000 operations
(AC 210V, 50/60Hz, 10A)
Mechanical: Over 10,000,000 operations
Resistive: 120VAC, 10A
240VAC, 10A
30VDC, 10A
Inductive: 120VAC, 7.5A
240VAC, 7A
30VDC, 7A
110VDC, 5A
Resistive: 240VAC, 10A
30VDC, 10A
Inductive: 240VAC, 7A
30VDC, 7A
CSA Rated/Nominal Rating:
UL Rated:
240VAC: 1/3 hp
11/2011
© 2011 TIME MARK CORPORATION
MODEL 280
TIME MARK is a division of
Model 280
COIL
1
2
3
4
5
6
7
8
Model 281
COIL
1.42”
1.14”
.51”
2.19”
2.7”
1.42”
1.42”
.51”
2.19”
2.7”
MODEL 281
READ ALL INSTRUCTIONS BEFORE INSTALLING, OPERATING OR SERVICING THIS DEVICE.
General Purpose Relays
KEEP THIS DATA SHEET FOR FUTURE REFERENCE.
GENERAL SAFETY
POTENTIALLY HAZARDOUS VOLTAGES ARE PRESENT AT THE TERMINALS OF THE MODEL 280 & 281.
ALL ELECTRICAL POWER SHOULD BE REMOVED WHEN CONNECTING OR DISCONNECTING WIRING.
THIS DEVICE SHOULD BE INSTALLED AND SERVICED BY QUALIFIED PERSONNEL.
MODEL 280 DIMENSIONS PIN DRAWING
ALL MODELS SHOWN WITH NO POWER APPLIED
ALL MODELS SHOWN WITH NO POWER APPLIED
MODEL 281 DIMENSIONS PIN DRAWING
WARRANTY
This product is warranted to be free from defects in
materials and workmanship for one year. Should this device
fail to operate, we will repair it for one year from the date of
manufacture. For complete warranty details, see the Terms
and Conditions of Sales page in the front section of the Time
Mark catalog or contact Time Mark at 1-800-862-2875.
11/2011
© 2011 TIME MARK CORPORATION
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