Multi Level Terminal Blocks Types Sizes and Applications
- Type:
- Double-level terminal block
- Nominal Voltage:
- 500 V
- Nominal Current:
- 32 A
- Connection Method:
- Screw connection, 1st and 2nd level
- Rated Cross Section:
- 4 mm²
- Cross Section:
- 0.2 mm² - 4 mm²
- Color:
- gray
High-density control cabinets demand efficient wire routing and compact rail layouts. Deploying Multi-level Terminal Blocks enables panel builders to double wiring density without expanding enclosure dimensions.
Configuration Types and Industrial Applications
Modern automation systems utilize specialized configurations to route control circuits through compact spaces:
-
Double-deck feed-through units: Standard two-tier routing for phase-to-phase or multi-conductor signal distribution.
-
Triple-deck sensor units: Three-tier interfaces designed for proximity switches, combining positive, negative, and signal paths.
-
Grounding and disconnect variants: Integrated PE footprints and knife-disconnect levers for circuit testing.
Common applications include PLC cabinets, power distribution boxes, and industrial motor controls where multi level terminal blocks reduce footprint requirements up to 50 percent.
Standard Wire Sizes and Physical Profiles
Terminal sizing corresponds directly to current load and conductor diameter:
-
Compact micro tiers (0.14 to 1.5 mm²): Suited for low-current instrumentation and sensor cabling.
-
Standard industrial tiers (2.5 to 4 mm²): Universal cross sections handling auxiliary automation circuits.
-
Power tiers (6 to 16 mm²): High-amperage lines mounted on standard DIN rails.
Selecting a multi level terminal with the proper rated cross section prevents resistive overheating and excessive voltage drop across continuous production cycles.
Technical Specifications: Hangda JHD5-2.5C/2
Hangda Electric manufactures the JHD5-2.5C-2 Double Level Terminal Block with flame-retardant PA66 housing and Reakdyn self-locking clamp technology that resists vibration loosening.
| Parameter | Specification |
|---|---|
| Model | JHD5-2.5C/2 |
| Mounting Type | DIN Rail TS35 |
| Rated Voltage | 500 V |
| Rated Current | 24 A |
| Rated Cross Section | 0.2 mm² - 4.0 mm² |
| Housing Material | PA66 (UL94 V-0) |
| Model | Function | Wire IEC cross-section | Wire UL | Thickness | Maximum current | Number of packages | Thickness/Height( )/Width mm |
Rated voltage/rated current/rated cross-sectior |
| JHD5-4C/2 |  |
4 mm² 2.5 mm² 4 mm² |
12 AWG 14 AWG 12 AWG | 6.2 mm | 32 A | 100 | 6.2/62/67 | 500 V/32 A/4 mm² |
Specfication:
| End cover | D2.5C/2 |
| Cross-connection 10-Polo,Separable | ZL2-4 ZL3-4 ZL10-4 |
| Insertion bridge 10-Polo,Separable | BLS2-4 BLS3-4 BLS10-4 |
| Small Partition | CPK3 |
| Marking tags | ZB6 |
| Screw/Tightening torque(Nm) | M3/0.6 |
| 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.
