DIN Rail Thermocouple Clamp Screw Type Terminal Blocks
- Type:
- High-current terminal block
- Nominal Voltage:
- 1000 V
- Nominal Current:
- 309 A
- Number Of Connections:
- 2
- Connection Method:
- Screw connection
- Rated Cross Section:
- 150 mm²
- Cross Section:
- 35 mm² - 150 mm²
- Color:
- gray
Temperature instrumentation requires microvolt precision without signal drift. Standard connection points introduce parasitic thermoelectric voltages when dissimilar metals encounter ambient temperature variations. Screw Type Terminal Blocks engineered specifically for thermocouple circuits maintain signal integrity across harsh processing plants. Integrating an industrial din rail screw terminal block eliminates loose leads while standardizing cabinet layouts on standard 35mm rails.
Technical Strengths in Industrial Control
Signal errors often stem from mechanical fatigue and thermal expansion. Utilizing a proper thermocouple screw terminal ensures continuous conductor pressure under constant thermal cycling.
Mechanical Stability and Housing Reliability
Industrial control cabinets benefit from high-retention wiring designs:
-
Anti-Vibration Wire Retention: The screw clamp terminal mechanism prevents conductor loosening arising from plant vibrations.
-
High-Grade Housing: Flame-retardant PA66 insulation provides high dielectric strength and heat deflection.
-
Low Contact Resistance: Matched alloy conductors minimize thermoelectric EMF distortion at each junction.
Selecting a certified clamp terminal block keeps low-voltage sensor loops shielded against mechanical disruption.
Technical Specifications
Standardized clamp type terminal blocks conform to industrial mounting requirements:
| Specification | Standard Rating |
|---|---|
| Mounting Profile | 35mm Top-Hat Rail (EN 60715) |
| Rated Insulation Voltage | 600V (Pollution Degree 3) |
| Tightening Torque | 0.5 - 0.8 Nm |
| Housing Material | Polyamide 66, UL 94 V-0 |
| Operating Temperature | -40°C to +105°C |
| Wire Cross-Section | 0.2 - 4.0 mm² |
Cabinet Assembly Guidelines
For streamlined cabinet deployment, follow these installation practices:
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Strip sensor leads to the recommended 9mm gauge without nicking conductors.
-
Apply calibrated torque to secure low-impedance joints without over-compressing fine wire strands.
-
Place matching thermocouple pairs adjacent to cold-junction compensation sensors for optimal baseline accuracy.
Deploy these industrial solutions to secure stable plant instrumentation and prevent costly production downtime. Request factory quotes and technical catalogs today for immediate project integration.
| Model | Function | Wire IEC cross-section | Wire UL | Thickness |
| JHD5-150 |  |
150 mm² 120 mm² 150 mm² |
000 AWG 000 AWG 000 AWG |
31 mm |
| Maximum current | Number of packages | Thickness/Height( )/Width mm |
Rated voltage/rated current/rated cross-sectior |
| 309 A | 4 | 31/118.5/100 | 1000/309 A/150 mm² |
Specfication:
| Marking tags | ZB10 |
| Screw/Tightening torque(Nm) | M10/4.0 |
| Material | PA |
| Flame retardant rating UL-94 | V0 |
| Dimensions |  |
With universal mounting feet for standard top-hat(Ω profile) and G-profile DIN rail mounting.
