Thermal Overload Relay – TA25DU3.1
TA25DU-3.1
General Information
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- Extended Product Type:Â TA25DU-3.1
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- Product ID:Â 1SAZ211201R1031
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- EAN:Â 4013614216558
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- Catalog Description:Â TA25DU-3.1 Thermal Overload Relay
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- Long Description:
- The TA25DU-3.1 thermal overload relay is an economic electromechanical protection device for the main circuit. It offers reliable and fast protection for motors in the event of overload or phase failure. The device has trip class 10A. Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP- and Test function and a trip indication. The overload relays are connected directly to the block contactors. Single mounting kits are available as accessory.
₦17,500.00
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• Operating temperature: -30 C to +50 °C
• Operating voltage range: 100 V – 300 V
• Average life L70B50: 50000 hours
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15Â kA Icu at 230…400 V AC 50/60 Hz conforming to EN/IEC 60947-2Complementary network frequency 50/60 Hz[Ue] rated operational voltage <= 375 V DC
230…400 V AC 50/60 Hzmagnetic tripping limit 8 x In +/- 20 %[Ics] rated service breaking capacity 15Â kA 100Â % conforming to EN/IEC 60947-2 – <= 375 V DC
7.5 kA 50 % conforming to EN/IEC 60947-2 – 230…400 V AC 50/60 Hzlimitation class 3 conforming to EN/IEC 60947-2[Ui] rated insulation voltage 500 V AC 50/60 Hz conforming to EN/IEC 60947-2[Uimp] rated impulse withstand voltage 6 kV conforming to EN/IEC 60947-2control type Togglelocal signalling ON/OFF indicationmounting mode Clip-onmounting support 35 mm symmetrical DIN rail9 mm pitches 9height 81 mmwidth 81 mmdepth 73 mmnet weight 0.615 kgcolour Whitemechanical durability 20000 cycleselectrical durability 5000 cyclesconnections – terminals Tunnel type terminals1…50 mm² rigid
Tunnel type terminals1.5…35 mm² flexiblewire stripping length 15 mmtightening torque 3.5 N.mearth-leakage protection Separate blockEnvironment standards EN/IEC 60947-2IP degree of protection IP20 conforming to IEC 60529pollution degree 3 conforming to IEC 60947-2overvoltage category IIItropicalisation 2 conforming to IEC 60068-1relative humidity 95 % at 55 °Cambient air temperature for operation -30…70 °Cambient air temperature for storage -40…80 °CSKU: n/a -
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ACnetwork frequency 50/60 Hz[In] rated current 250 A at 40 °C[Ui] rated insulation voltage 690 V AC 50/60 Hz conforming to IEC 60947-2[Uimp] rated impulse withstand voltage 6 kV conforming to IEC 60947-2[Ue] rated operational voltage 550 V AC 50/60 Hz conforming to IEC 60947-2
250 V DC conforming to IEC 60947-2breaking capacity code Nbreaking capacity 20Â kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
50Â kA Icu at 110…130 V AC 50/60 Hz conforming to IEC 60947-2
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25Â kA Icu at 400…415 V AC 50/60 Hz conforming to IEC 60947-2
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10Â kA at 250 V DC conforming to IEC 60947-2
25Â kA at 220/230/240 V AC 50/60 Hz conforming to IEC 60947-2
4Â kA at 550 V AC 50/60 Hz conforming to IEC 60947-2
12.5Â kA at 380 V AC 50/60 Hz conforming to IEC 60947-2
12.5 kA at 400/415 V AC 50/60 Hz conforming to IEC 60947-2suitability for isolation Yes conforming to IEC 60947-2utilisation category Category Atrip unit name TM-Dtrip unit technology Thermal-magnetictrip unit rating 250 A at 50 °Cprotection type Short-circuit protection
Overload protectionpollution degree 3 conforming to IEC 60664-1
3 conforming to IEC 947-1Complementary control type Togglemounting mode Fixedmounting support Backplateupside connection Frontdownside connection Frontmechanical durability 10000Â cycleselectrical durability Category A: 5000Â cycles 415 V AC 50/60 Hz conforming to IEC 60947-2connection pitch 35Â mmlocal signalling Positive contact indicationneutral protection setting Without protectionearth-leakage protection Withoutheight 165Â mmwidth 105Â mmdepth 60Â mmSKU: n/a -
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Dimensions
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- Product Net Width:
- 265Â mm
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- Product Net Height:
- 185Â mm
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- Product Net Depth / Length:
- 203Â mm
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- Product Net Weight:
- 7.415Â kg
16.35 lb
Technical
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- Rated Operational Current AC-21A (Ie):
- (380 … 415 V) 400 A
(500 V) 400 A
(690 V) 400 A
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- Rated Operational Current AC-22A (Ie):
- (380 … 415 V) 400 A
(500 V) 400 A
(690 V) 400 A
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- Rated Operational Current AC-23A (Ie):
- (380 … 415 V) 400 A
(500 V) 400 A
(690 V) 400 A
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- Rated Operational Current AC-31B (Ie):
- (380 … 415 V) 400 A
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- Rated Operational Current AC-33B (Ie):
- (380 … 415 V) 400 A
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- Rated Operational Power AC-23A (Pe):
- (380 … 415 V) 220 kW
(500 V) 280 kW
(690 V) 400 kW
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- Conventional Free-air Thermal Current (Ith):
- q = 40 °C 400 A
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- Conventional Thermal Current (Ithe):
- Fully Enclosed 400 A
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- Rated Impulse Withstand Voltage (Uimp):
- 12 kV
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- Rated Insulation Voltage (Ui):
- 1000 V
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- Rated Operational Voltage:
- 1000 V
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- Rated Short-time Withstand Current (Icw):
- for 1 s 15 kiloampere rms
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- Power Loss:
- 10 W
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- Perfectly matches with the traditional daylight tube fixture
- Easy Installation
- No Lead or Mercury content hence Environment friendly
- No Ultraviolet or Infrared rays
- No flickering
- Long Lifespan, Low maintenance and energy saving
- Available in 60 cm, 120 cm, 150 cm
- Ballast or Starter NOT REQUIRED – DIRECT AC POWER
Applications
- Domestic and Commercial Lighting
- Offices
- Supermarkets
- Shops, Hotels & similar environment
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