What's the CPWD DSR rate for an RCCB (30 mA)?
The residual current circuit breaker is the life-safety device in your DB — it trips on a 30 mA leak before a shock turns fatal. CPWD prices supply + fixing + testing in the existing DB, by rating.
The recipe
| Code | Description | Unit | Rate | Qty | Amount |
|---|---|---|---|---|---|
| 2.14.2 | Supplying and fixing following rating, double pole, (single phase and neutral), 240 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required — 40 amps40 A double pole — the common single-phase house incomer | Each | ₹2,642 | 1 | ₹2,642 |
| Total | ₹2,642 | ||||
Variations
25 A
| Code | Description | Unit | Rate | Qty | Amount |
|---|---|---|---|---|---|
| 2.14.1 | Supplying and fixing following rating, double pole, (single phase and neutral), 240 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required — 25 amps | Each | ₹2,028 | 1 | ₹2,028 |
| Total | ₹2,028 | ||||
63 A
| Code | Description | Unit | Rate | Qty | Amount |
|---|---|---|---|---|---|
| 2.14.3 | Supplying and fixing following rating, double pole, (single phase and neutral), 240 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required — 63 amps | Each | ₹2,722 | 1 | ₹2,722 |
| Total | ₹2,722 | ||||
Plain 40 A DP isolator (no leakage protection)
| Code | Description | Unit | Rate | Qty | Amount |
|---|---|---|---|---|---|
| 2.12.1 | Supplying and fixing following rating, double pole, 240 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required — 40 amps | Each | ₹435 | 1 | ₹435 |
| Total | ₹435 | ||||
Notes
- An RCCB protects against earth leakage, not overload — you still need MCBs on each circuit.
- All items here are double pole, 240 V, 30 mA sensitivity, fixed in an existing DB.
- Rates shown are CPWD Delhi base rates from DSR E&M 2022 (CPWD), edition 2026-06-12 — apply your local market / cost-index variation.
- Generated 2026-08-01.