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> PM4H-SD/SDM Star-Delta Timers(Discontinued Products)
> Rating/ Performance
We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.
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Type Item | PM4H-SD/SDM | ||
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Rating | Rated operating voltage | 100 to 240V AC, 24V AC | |
Rated frequency | 50/60Hz common | ||
Rated power consumption | Approx. 6VA (100 to 240V AC) Approx. 1.4VA (24V AC) | ||
Rated control capacity | 5A 250V AC (resistive load) | ||
Operation mode |
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2s to 100s, 4 time ranges switchable | ||
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0.04, 0.1, 0.3, 0.5, 0.7s (5 time range selectable) | ||
Time accuracy Note:) |
Operation time fluctuation | ±0.3% (power off time change at the range of 0.1s to 1h) | |
Setting error | ±5% (Max. setting time value) | ||
Voltage error | ±0.5% (at the operating voltage changes between 85 to 110%) | ||
Temperature error | ±2% (at 20°C ambient temp. at the range of -10 to +50°C +14 to +122°F) | ||
Contact | Contact arrangement |
Star (![]() ![]() Instantaneous: 1 Form A (Instantaneous for PM4H-SDM type only) |
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Contact resistance (Initial value) | Max. 100mohm (at 1A 6V DC) | ||
Contact material | Au flash on Silver alloy | ||
Life | Mechanical (contact) | 2×107 | |
Electrical (contact) | 105 (at rated control capacity) | ||
Electrical function | Allowable operating voltage range | 85 to 110% of rated operating voltage (at 20°C coil temp.) | |
Insulation resistance (Initial value) |
Min. 100Mohm Between live and dead metal parts Between input and output Between contacts of different poles *3 Between contacts of same pole (At 500V DC) |
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Breakdown voltage (Initial value) |
2, 000Vrms for 1 min Between live and dead metal parts 2, 000Vrms for 1 min Between input and output 2, 000Vrms for 1 min Between contacts of different poles *3 1, 000Vrms for 1 min Between contacts of same pole |
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Min. power off time | 500ms | ||
Max. temperature rise | 65°C/ 131°F | ||
Mechanical function | Vibration resistance | Functional | 10 to 55Hz: 1 cycle/min double amplitude of 0.25mm (10min on 3 axes) |
Destructive | 10 to 55Hz: 1 cycle/min double amplitude of 0.375mm (1h on 3 axes) | ||
Shock resistance | Functional | Min. 294m/s2 (4 times on 3 axes) | |
Destructive | Min. 980m/s2 (5 times on 3 axes) | ||
Operating condition | Ambient temperature | -10 to +50°C/ +14 to +122°F | |
Ambient humidity | Max. 85%RH (non-condensing) | ||
Atmospheric pressure | 860 to 1, 060hPa | ||
Others | Protective construction | IP65 on front panel (using rubber gasket ATC 18002) <only for IP65 type> | |
Weight | 100g/ 3.527 oz (Pin type), 110g/ 3.880 oz (Screw terminal type) |
*1. Unless otherwise specified, the measurement conditions at the maximum scale time standard are specified to be the rated operating voltage, 20℃/ 68℉ ambient temperature, and 1s power off time.
*2. For the 2s range, the tolerance for each specification becomes ±10ms.
*3. Between contacts of different poles for SDM type only.
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