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LRD21L | BIMETALLIC RELAY 600V 18A | Schneider Electric (Square D)
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Details for LRD21L
12-18 Amp Overload Relay: LRD21L by Schneider Electric (Square D)
The LRD21L overload relay from Schneider Electric (Square D) is a crucial component for protecting motors in industrial and commercial applications. Engineered to trip at currents between 12 and 18 amps, this relay effectively safeguards motors against overloads, short circuits, and phase imbalances.
Crafted with precision, the LRD21L features a rugged construction for reliable operation in harsh environments. It offers fast response times and accurate tripping characteristics, ensuring timely protection for your valuable equipment.
With its compact design, the LRD21L easily fits into control panels and electrical enclosures. It is widely used in various industries, including manufacturing, mining, and construction, to ensure the safety and longevity of motors.
Key Features:
* Trip current range: 12-18 amps
* Protects motors from overloads, short circuits, and phase imbalances
* Compact and durable design
* Fast response times and accurate tripping characteristics
* Meets industry standards for safety and reliability
Order your LRD21L overload relay today from our HVAC supply store for fast shipping and competitive pricing. We offer a wide range of electrical supplies to meet the needs of industrial engineers and maintenance professionals like you. Shop now and ensure the protection of your motors with the finest products from Schneider Electric (Square D)! LRD21L is a TeSys LRD thermal overload relay from Schneider Electric to be used with a TeSys D contactor. It protects motors 7.5kW@400V thanks to a thermal range 12-18A, a tripping class 20 and phase unbalance protection. LRD21L is a TeSys LRD thermal overload relay from Schneider Electric for direct mounting on TeSys D contactors. With a thermal setting range 12-18A, a tripping class 20 and phase unbalance detection, it protects motors 7.5kW@400V. It provides manual test & reset buttons, automatic reset, trip auxiliary contact and flag indicator. Available worldwide, it is multi-standards certified (IEC, UL, CSA, CCC, EAC, Marine) and Green Premium compliant (RoHs/Reach). Thermal overload protection relay, bimetallic type, with phase unbalance protection (differential). Direct mounting on the bottom terminals of a Tesys contactor LC1D18-D38 to form a compact starter. Light and compact, 45mm wide. Temperature compensated for a good accuracy of the protection. Manual control with test & reset buttons, manual / automatic reset selector. Trip signaling with 1NO+1NC auxiliary contacts and trip flag indicator. Can be completed with terminal blocks for separate mounting (LAD7B, LAD96) and remote control devices (LAD703, LA7D03).
Specifications
- range
- TeSys;TeSys Deca
- product name
- TeSys LRD;TeSys Deca
- Product or Component Type
- Differential thermal overload relay
- device short name
- LRD
- relay application
- Motor protection
- Product Compatibility
- LC1D25;LC1D18;LC1D32;LC1D38
- network type
- DC;AC
- thermal overload class
- Class 20 IEC 60947-4-1
- thermal protection adjustment range
- 12…18 A
- [Ui] rated insulation voltage
- Power circuit 600 V CSA;Power circuit 600 V UL;Power circuit 690 V IEC 60947-4-1
- Network Frequency
- 0...400 Hz
- mounting support
- Plate;with specific accessories;Rail;with specific accessories;Under contactor
- tripping threshold
- 1.14 +/- 0.06 Ir IEC 60947-4-1
- auxiliary contact composition
- 1 NO + 1 NC
- [Ith] conventional free air thermal current
- 5 A signalling circuit
- permissible current
- 3 A 120 V AC-15 signalling circuit;0.22 A 125 V DC-13 signalling circuit
- [Ue] rated operational voltage
- 690 V AC 0...400 Hz power circuit IEC 60947-4-1
- associated fuse rating
- 4 A gG signalling circuit;4 A BS signalling circuit
- [Uimp] rated impulse withstand voltage
- 6 kV
- phase failure sensitivity
- Tripping current 130 % of Ir on two phase;the last one at 0
- control type
- Red push-button stop;Blue push-button reset
- temperature compensation
- -4…140 °F (-20…60 °C)
- connections - terminals
- Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible without cable end;Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible with cable end;Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) solid without cable end;Power circuit screw clamp terminals 1 0.00…0.02 in² (1.5…10 mm²) flexible without cable end;Power circuit screw clamp terminals 1 0.00…0.01 in² (1…4 mm²) flexible with cable end;Power circuit screw clamp terminals 1 0.00…0.01 in² (1…6 mm²) solid without cable end
- tightening torque
- Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals;Power circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals
- Height
- 2.60 in (66 mm)
- Width
- 1.77 in (45 mm)
- Depth
- 2.99 in (76 mm)
- Net Weight
- 0.32 lb(US) (0.144 kg)
- climatic withstand
- IACS E10
- IP degree of protection
- IP20 conforming to IEC 60529
- ambient air temperature for operation
- -4…140 °F (-20…60 °C) without derating IEC 60947-4-1
- Ambient Air Temperature for Storage
- -76…158 °F (-60…70 °C)
- mechanical robustness
- Shocks15 Gn for 11 ms IEC 60068-2-7;Vibrations3 GN IEC 60068-2-6
- dielectric strength
- 1.89 kV 50 Hz IEC 60947-1
- Standards
- EN/IEC 60947-4-1;EN/IEC 60947-5-1;UL 60947-4-1;UL 60947-5-1;CSA C22.2 No 60947-4-1;CSA C22.2 No 60947-5-1;EN 50495
- Product Certifications
- IEC;UL;CSA;EAC;ABS;ATEX INERIS;UKCA
- Category
- 22347-CONTACTOR;D-LINE;OVERLOADS-NEW
- Discount Schedule
- I12
- GTIN
- 3606480609619
- Returnability
- Yes
- Country of origin
- TH
- Unit Type of Package 1
- PCE
- Number of Units in Package 1
- 1
- Package 1 Height
- 3.27 in (8.3 cm)
- Package 1 Width
- 2.83 in (7.2 cm)
- Package 1 Length
- 1.77 in (4.5 cm)
- Package 1 Weight
- 6.14 oz (174.0 g)
- Unit Type of Package 2
- S02
- Number of Units in Package 2
- 24
- Package 2 Height
- 5.91 in (15.0 cm)
- Package 2 Width
- 11.81 in (30.0 cm)
- Package 2 Length
- 15.75 in (40.0 cm)
- Package 2 Weight
- 10.19 lb(US) (4.624 kg)
- Unit Type of Package 3
- P12
- Number of Units in Package 3
- 768
- Package 3 Height
- 31.50 in (80.0 cm)
- Package 3 Width
- 29.53 in (75.0 cm)
- Package 3 Length
- 47.24 in (120.0 cm)
- Package 3 Weight
- 245.51 lb(US) (111.36 kg)
- Warranty
- 18 months
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