Weidmüller part number 1196730000 (KTB FS 987420 S4E3) is a Klippon® TB FS (Terminal Box – Fixing Screw) empty stainless steel enclosure, designed for use in explosive risk zones and other demanding industrial environments. Unlike the hinged Multi-Hinge (MH) range, the FS series uses a fully removable, screw-fixed lid. This is the largest standard size, measuring 980 x 740 x 200 mm, supplied with 3 gland plates positioned on the bottom, left and right sides.
Technical Specifications
Dimensions and Housing
- Overall size (H x W x D): 980 x 740 x 200 mm
- Overall dimensions including flange: 991 x 821 x 208.5 mm
- Access opening: 928 mm (height) x 688 mm (width)
- Net weight: 34.2 kg
- Material thickness: 1.5 mm (body and lid), 3 mm (flange)
- Max. payload: 290 kg
Material and Protection Rating
- Basic material: stainless steel 1.4404 (316L), electropolished, silver finish
- Protection rating: IP66 / IP67
- Protection class (UL): Type 3, 4X, 12
- Seal material: silicone
- Operating temperature range: -60°C to +135°C (limited to IP66 above 105°C)
- Impact resistance: 7 J (ATEX version), 10 J (standard version)
Lid and Fixing
- Lid attachment: M6 hexagon slotted screws, AF10
- Number of lid screws: 10
- Tightening torque (cover screws): 2.5 Nm
- Flange plate: yes, mounted with M6 hexagon head screws (AF10)
Mounting, Earthing and Cable Entry
- Enclosure attachment: 4 welded-on mounting feet with 11 mm holes (2 slotted, 2 cross-shaped)
- Integral fixing: 4, 6 or 9 stud bolts, M6 internal thread
- Internal earthing: welded-on M6 stainless steel earth stud (body and lid); continuous M10 earth stud in enclosure body
- Gland plates: bottom, left and right
- Cable entry capacity (left/right sides): M12 up to 126, M20 up to 54, M32 up to 26, M50 up to 10
- Cable entry capacity (top/bottom): M12 up to 96, M20 up to 42, M32 up to 20, M50 up to 6
Terminal Capacity
- 2.5 mm²: up to 9 rows x 127 terminals (horizontal), 6 rows x 174 (vertical)
- 6 mm²: up to 7 rows x 80 (horizontal), 5 rows x 110 (vertical)
- 16 mm²: up to 5 rows x 54 (horizontal), 4 rows x 74 (vertical)
- 35 mm²: up to 4 rows x 40 (horizontal), 3 rows x 55 (vertical)
Approvals
ATEX (KEMA10ATEX0048), IECEx (IECEXKEM10.0019), cULus (E256877), DNV, CCoE, INMETRO, NEPSI, CCC, KOSHA, complying with DIN EN 62208, EN/IEC 60079-0, -7 and -31.
Applications
Designed for explosive risk zones, process industry, oil and gas, chemical industry, and offshore/onshore installations where a robust, screw-fixed lid and large terminal capacity are required.
Related Weidmüller Products
- KTB FS 987420 S4E0 (same size, empty enclosure, no gland plates) – Order No. 1196700000
- KTB FS 987420 S4E4 (same size, 4 gland plates, all sides) – Order No. 1196740000
- KTB MH 987420 S4E4 (same footprint, Multi-Hinge lid, 4 gland plates) – Order No. 1195640000
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