IS 3854 CERTIFIEDCivil Engineering Guidance
Unsure whether to specify Havells Crabtree for your foundation, column, or slab? Our structural engineers audit site drawings free of charge.
Consult Civil Engineer →Havells Crabtree (10A / 16A Switches)
Technical Specifications & Bureau Compliance
| Manufacturer / Brand | Havells Crabtree |
|---|---|
| Product Category | Modular Switches & Plates |
| Standard Compliance | IS 3854 CERTIFIED |
| Compressive Strength @ 28 Days | Meets Bureau Mandate |
| Compressive Strength @ 3 Days | Batch MTC Guaranteed |
| Initial Setting Time | 165 mins (BIS Requirement: Min 30 mins) |
| Final Setting Time | 245 mins (BIS Requirement: Max 600 mins) |
| Fineness (Blaine Air Permeability) | 285 m²/kg (BIS Mandate: Min 225 m²/kg) |
| Packaging Format | 50 KG Net Multi-Ply Poly-Lined Valve Bag |
| Regional Supply Hub | Kolkata · Direct Mill Supply |
How does Ostaad Bulk Buying work?
Havells Crabtree Variants & Thickness Rates
Base variant starts from ₹45 / SWITCH. Click any variant below to inspect full specifications, load capacity, and calculate exact quotas.
10A / 16A Switches
10A / 16A Switches manufactured by Havells Crabtree conforming to IS 3854.
6A / 16A Multi-Sockets
6A / 16A Multi-Sockets manufactured by Havells Crabtree conforming to IS 3854.
Modular Cover Plates
Modular Cover Plates manufactured by Havells Crabtree conforming to IS 3854.
Fan Regulators & Dimmers
Fan Regulators & Dimmers manufactured by Havells Crabtree conforming to IS 3854.
Havells Crabtree Bag & Material Estimator
Input the structural casting area to compute the exact ratio of Havells Crabtree bags, Coarse River Sand, and Crushed Aggregate needed for casting.
Calculated for 1,000 sq ft with 5% casting margin.
Havells Crabtree Compressive Strength Development
Simulate hydraulic compressive strength development across the standard 28-day water curing cycle under IS 4031 testing guidelines.
Bureau of Indian Standards (BIS) Benchmark Matrix
PHYSICAL & CHEMICAL AUDIT CRITERIA AS PER IS 4031 & IS 4032
| PROPERTY | IS 12269 (GRADE 53) | IS 8112 (GRADE 43) | IS 1489 (PPC) |
|---|---|---|---|
| 3-Day Compressive Strength | ≥ 27.0 MPa | ≥ 23.0 MPa | ≥ 16.0 MPa |
| 7-Day Compressive Strength | ≥ 37.0 MPa | ≥ 33.0 MPa | ≥ 22.0 MPa |
| 28-Day Compressive Strength | ≥ 53.0 MPa | ≥ 43.0 MPa | ≥ 33.0 MPa |
| Initial Setting Time | ≥ 30 mins | ≥ 30 mins | ≥ 30 mins |
| Final Setting Time | ≤ 600 mins | ≤ 600 mins | ≤ 600 mins |