Yamato Electric
Yamato Electric TBTH-10W Terminal Block Equipped Junction Box

Manufacturer: Yamato Electric Co., Ltd.
Model: TBTH-10W
Terminal Block Equipped Junction Box TBTH
- This is a terminal box made of aluminum alloy die-cast, featuring a compact design for use in narrow spaces, and excellent mechanical strength and cutting oil resistance.
- Direct wiring is possible because it comes with a 4P to 14P terminal block.
- Can be shipped with optional screw processing performed on the sides. (Refer to the ordering examples below)
- Uses captive screws on the lid, which improves work efficiency.
- Dust-proof · Liquid-proof structure: Protection class IP67.
TBTH-10W

| Terminal Block | 300V 30A 10P (Two-tier terminal block) · UL/TÜV certified product |
|---|---|
| Material | Lid/Cover · Body: Aluminum alloy die-cast |
| Mass / Weight | Standard product (TBTH-10W): 600g |
| Remarks / Notes |
Regarding Connection Connectors
When performing wiring work using the TBTH, cable connectors, flexible conduits, and connectors will be required.
Please refer to the respective pages (in the catalog/manual).


When ordering, please specify the following.
(Example) TBTH – 1 0 W – 00B220
Product Series: TBTH–10W (10 Poles)
A-Surface Machining: Not Possible (Fixed at 0)
Digits 3 & 4 (B Center Machining):
- If B center is machined, enter the surface letter and machining number (e.g., B2).
Digits 5-8 (Machining Instruction for specific locations):
- D-Surface Machining Instruction
- C-Surface Machining Instruction
- BR Machining Instruction
- BL Machining Instruction
Machining Instruction Content:
- 0: No Machining/Processing
- 1: G 1/2
- 2: G 3/4











