Range

TeSys

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

Network type

DC AC

Thermal overload class

Class 20 conforming to IEC 60947-4-1

Thermal protection adjustment range

12…18 A

[Ui] rated insulation voltage

Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V conforming to 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 conforming to IEC 60947-4-1

Auxiliary contact composition

1 NO + 1 NC

[Ith] conventional free air thermal current

5 A for signalling circuit

Permissible current

1.5 A at 240 V AC-15 for signalling circuit 0.1 A at 250 V DC-13 for signalling circuit

[Ue] rated operational voltage

690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1

Associated fuse rating

4 A gG for signalling circuit 4 A BS for 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

-20…60 °C

Connections - terminals

Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid without cable end Power circuit: screw clamp terminals 1 cable(s) 1.5…10 mm² flexible without cable end Power circuit: screw clamp terminals 1 cable(s) 1…4 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² solid without cable end

Tightening torque

Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 1.85 N.m - on screw clamp terminals

Width

45 mm

Depth

92 mm

Net weight

0.19 kg

Climatic withstand

conforming to IACS E10

IP degree of protection

IP20 conforming to IEC 60529

Ambient air temperature for operation

-20…60 °C without derating conforming to IEC 60947-4-1

Ambient air temperature for storage

-60…70 °C

Fire resistance

850 °C conforming to IEC 60695-2-1

Flame retardance

V1 conforming to UL 94

Mechanical robustness

Vibrations: 6 Gn conforming to IEC 60068-2-6 Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7

Dielectric strength

1.89 kV at 50 Hz conforming to 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

product certifications

IEC UL CSA EAC DNV-GL LROS (Lloyds register of shipping) UKCA

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

7.700 cm

Package 1 Width

9.600 cm

Package 1 Length

5.200 cm

Package 1 Weight

230.000 g

Unit Type of Package 2

S02

Number of Units in Package 2

25

Package 2 Height

15.000 cm

Package 2 Width

30.000 cm

Package 2 Length

40.000 cm

Package 2 Weight

6.182 kg

Warranty

18 months