R28 Series
DPDT, 10 Amp, AC & DC Adjustable Delay On Operate Time Delay Relays
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Features
±0.1% Repeatability
8-Pin octal base
Knob with calibrated scale
3-timing ranges
Impact proof dust cover
IC hybrid circuitry for timing
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DELAY ON OPERATE - The delay period begins when input voltage is applied. At the end of the delay period, the relay will operate and will not release until input voltage is removed. Reset occurs when input voltage is reapplied.
Electrical Characteristics
Contact
Contact Rating: 10 Amps 120 VAC, 30 VDC-8 Amp, 1/2 HP @ 240 VAC,
1/3 HP @ 120 VAC
Life: 500,000 operations @ 120 VAC, 10A resistive
1,000,000 operations @ 120 VAC, 5A resistive
2,000,000 operations @ 120 VAC, 2A resistive
Mechanical Life: 50,000,000 operations
Input
Nominal Input Voltages: See Chart
Steady State Input Current: See Chart
Timing
Timing Adjustment Modes Available:
0.1 to 10 sec (K-suffix)
1.0 to 180 sec (L-suffix)
2.0 to 300 sec (M-suffix)
Repeat Accuracy
±0.1% - constant voltage & temperature
Percent Timing Range over Temperature & Voltage Range: ±10%
Timing Tolerance at High End of Range: -0, +40%
Timing Tolerance at Low End of Range: +0, -40%
Reset Time: 100mS Max
Protection
Transient: UL508 surge test 5000V for 50mS
Dielectric Breakdown:
Coil To Contact: 1500 VAC
Across Open Contact: 1000 VAC
Noise Immunity: NEMA ICS 2-230 2500 VAC
Environmental Characteristics
Operating: -20°C to +55°C
Storage: -55°C to +85°C
Weight
Std: 4 ozs. (115 grams) - approx
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Dimensional Drawings
D16
Contact Arrangment
DPDT, 2 Form "C"
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Timing
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Part Numbers
ACCESSORIES |
Mounting Styles |
Description |
NTE Type No. |
Surface Mount |
8-Pin Octal |
R95-101 |
Panel Mount |
8-Pin Octal |
R95-118 |
DIN Rail
Mount |
8-Pin Octal |
R95-113 |
8-Pin Octal |
R95-181 |
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