J7TC
Thermal overload relay
Motor Protection from Overload and Phase -loss by Combination with J7KC for up to 2.2 kW (240 VAC) *, 5.5 kW (440 VAC)
- Push-In Plus wiring technology saves wiring and maintenance time
- One-touch installation with magnetic contactor J7KC to configure a magnetic starter
- High-reliability auxiliary circuit (2PST-1NO 1NC)
- Equipped with a dial cover as standard to suppress setting changes
- Easily switch between manual and automatic reset methods
- Certified as compliant with the main safety standards
Specifications & ordering info
Ordering Information
Main unit
Thermal overload relay
| Settling current range | Order code |
|---|---|
| 0.1-0.15 A | J7TC-01-E15 |
| 0.13-0.2 A | J7TC-01-E20 |
| 0.18-0.27 A | J7TC-01-E27 |
| 0.24-0.36 A | J7TC-01-E36 |
| 0.34-0.52 A | J7TC-01-E52 |
| 0.48-0.72 A | J7TC-01-E72 |
| 0.64-0.96 A | J7TC-01-E96 |
| 0.8-1.2 A | J7TC-01-1E2 |
| 0.95-1.45 A | J7TC-01-1E4 |
| 1.1-1.65 A | J7TC-01-1E6 |
| 1.4-2.1 A | J7TC-01-2E1 |
| 1.7-2.6 A | J7TC-01-2E6 |
| 2.2-3.4 A | J7TC-01-3E4 |
| 2.8-4.2 A | J7TC-01-4E2 |
| 4-6 A | J7TC-01-6 |
| 5-7.5 A | J7TC-01-7E5 |
| 6-9 A | J7TC-01-9 |
| 7-10.5 A | J7TC-01-10 |
| 9-13 A | J7TC-01-13 |
Accessories (Order Separately)
Insulation stop
| Minimum order (bag) | Order code |
|---|---|
| 1 (30 pcs./bag) |
J77KC-T (for main circuit) |
| J77KC-K (for auxiliary circuit) |
Removal tool
| Order code |
|---|
| J78KC |
Specifications
| Main circuit rating |
Trip class | 10 A | ||||||||
| 3-pole load operation (At 20°C ambient temperature) IEC 60947-4-1/ JIS C 8201-4-1 |
Limit operation | No operation (cold start) | 105% (less than 2 hours)
2
Ratio to dial settling current. |
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| Operation (hot start) | 120% (less than 2 hours)
2
Ratio to dial settling current. |
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| Operation when overload occurs (hot start) | 150% (less than 2 minutes)
2
Ratio to dial settling current. |
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| Operation when locking occurs (cold start) | 720% (over 2 s up to 10 s)
2
Ratio to dial settling current. |
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| 2-pole load operation (At 20°C ambient temperature) IEC 60947-4-1/ JIS C 8201-4-1 |
Phase less protection device | With phase failure protection device | ||||||||
| No operation (cold start) | 2 poles 100%/1 pole 90%
2
Ratio to dial settling current. |
|||||||||
| Operation (hot start) | 2 poles 115%/1 pole 0% (less
than 2 hours)
2
Ratio to dial settling current. |
|||||||||
| Ambient temperature compensation performance |
Ambient temperature 40°C |
No operation (cold start) | 100% (less than 2 hours)
2
Ratio to dial settling current. |
|||||||
| Operation (hot start) | 120% (less than 2 hours)
2
Ratio to dial settling current. |
|||||||||
| Ambient temperature –5°C |
No operation (cold start) | 105% (less than 2 hours)
2
Ratio to dial settling current. |
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| Operation (hot start) | 130% (less than 2 hours)
2
Ratio to dial settling current. |
|||||||||
| Auxiliary circuit rating |
Ratings based on IEC 60947-5-1 |
Rated voltage range (V) | 24 | 100-120 | 200-240 | 380-440 | 500-600 | |||
| Rated operational current (A) |
AC-15 (Coil load) |
NC contact | 3.0 (0.5)
2
() indicates
the contact rating when set to auto release. |
2.5 (0.5)
2
() indicates
the contact rating when set to auto release. |
2.0 (0.5)
2
() indicates
the contact rating when set to auto release. |
1.0 (0.5)
2
() indicates
the contact rating when set to auto release. |
0.6 (0.5)
2
() indicates
the contact rating when set to auto release. |
|||
| NO contact | 3.0 (0.5)
2
() indicates
the contact rating when set to auto release. |
2.5 (0.5)
2
() indicates
the contact rating when set to auto release. |
1.5 (0.5)
2
() indicates
the contact rating when set to auto release. |
0.75 (0.5)
2
() indicates
the contact rating when set to auto release. |
0.6 (0.5)
2
() indicates
the contact rating when set to auto release. |
|||||
| DC-13 (Coil load) |
NC contact | 1.1 (0.3)
2
() indicates
the contact rating when set to auto release. |
0.28 | 0.14 | – | – | ||||
| NO contact | 1.1 (0.3)
2
() indicates
the contact rating when set to auto release. |
0.28 | 0.14 | – | – | |||||
| Conventional free air thermal current (Rated carry current) |
5 A | |||||||||
| Ratings based on UL 508 |
Rated carry current (A) | 5 | 1 | |||||||
| Rated voltage (V) | 120 AC | 240 AC | 480 AC | 600 AC | 125 DC | 250 DC | ||||
| Contact closed current (A) | 30 | 15 | 7.5 | 6 | 0.22 | 0.11 | ||||
| Breaking current (A) | 3 | 1.5 | 0.75 | 0.6 | 0.22 | 0.11 | ||||
| Rating code | B600 | Q300 | ||||||||
| Minimum operate voltage/current (reference value) | 5 VDC, 3 mA | |||||||||
| Contact resistance (reference value) | 50 mΩ max. (6 VDC, 1 A, voltage drop method) | |||||||||
| Contact structure | Single-break | |||||||||
| Contact material | Ag alloy | |||||||||
| Rated insulation voltage | 690VAC | |||||||||
| Rated impulse dielectric strength | 6 kV | |||||||||
| Rated frequency | 50/60 Hz | |||||||||
| Vibration resistance | Vibration: 10 to 55 Hz, acceleration: 15m/s2 | |||||||||
| Shock resistance | Shock value 50 m/s2 | |||||||||
| Degree of protection | IP20 (IEC60529) | |||||||||
| Operating temperature | −10 to +55°C (however, daily average shall not exceed 35°C) | |||||||||
| Ambient storage temperature | −40 to +65°C (no condensation or icing) | |||||||||
| Relative humidity | 45% to 85% RH (no condensation or icing) | |||||||||
| Altitude | 2000 m max. | |||||||||
| Weight | 110 g | |||||||||
| Applicable standards | Safety standard | EN 60947-4-1 (IEC 60947-4-1), UL 60947-4-1, CSA 22.2 No.60947-4-1, CCC GB/T 14048.4 |
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+46 (8) 632 35 00
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