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Brand: ABB
ABB CR-P024DC1 Interface Relay 24 V DC 1 c/o 16 A
Description
CR-P024DC1: a slim 16 A relay for 24 V DC control signals
CR-P024DC1 is a CR-P pluggable relay with one changeover (SPDT) contact rated 16 A at 250 V and a 24 V DC coil. It is only 15.5 mm wide on the socket, so many of them fit side by side on a DIN rail, which is why this range is common in PLC output interfaces.
ABB describes the CR-P as a PCB relay in a pluggable format, used for electrical isolation, amplification and signal matching. Its coil consumes only 0.4 to 0.48 W, so a small PLC output can drive it directly.
Technical specifications
| Parameter | Specification |
|---|---|
| Type designation / order code | CR-P024DC1 / 1SVR405600R1000 |
| Relay type | Pluggable PCB-style interface relay, 1 c/o (SPDT) contact |
| Coil voltage Us | 24 V DC; pick-up from 16.8 V, maximum 61.2 V at 55 C; drop-out at 0.1 Us |
| Coil power / resistance | 0.4 to 0.48 W / 1440 ohm (plus or minus 10 %) |
| Thermal current Ith | 16 A; AC12 230 V 16 A; DC12 24 V 16 A |
| Inductive ratings | AC15 230 V 1.5 A, 120 V 3 A; DC13 24 V 2.5 A |
| Inrush / AC1 power | 30 A / 4000 VA |
| Life / switching times | Mechanical above 30 million cycles; electrical above 70,000 cycles at 16 A 250 V; typical pick-up 7 ms, release 3 ms |
| Ambient temperature | Operation -40 to +85 C for DC coils; storage -40 to +85 C |
| Isolation | 400 V AC; impulse 5 kV coil to contacts; clearance and creepage at least 10 mm; overvoltage category III, pollution degree 3 |
| Contact material / voltage | AgNi / Ue 250 V; max switching 300 V DC or 440 V AC; minimum 5 V and 5 mA |
| Dimensions on socket / weight | 12.7 x 29 x 15.7 mm (W x H x D) / 14 g; width on socket 15.5 mm |
| Protection / mounting | IP67 / on a CR-P socket, any mounting position |
| Approvals and standards | UL 508, CSA C22.2 No. 14, VDE, GOST, CCC, RMRS, CE; EN 61810-1 |
Contact and coil performance
The single contact carries 16 A resistive at 230 V AC and 24 V DC and has a making current of 30 A with 4000 VA breaking power in AC1. For inductive loads the ABB table gives 1.5 A at 230 V AC (AC15) and 2.5 A at 24 V DC (DC13).
The coil pulls in at 16.8 V and accepts up to 61.2 V at 55 C, which is a wide overvoltage margin, while the typical pick-up time is 7 ms and release 3 ms. Mechanical life is above 30 million operations and electrical life at full 16 A and 250 V is above 70,000.
Isolation and environment
The insulation data is strong for a small relay: 400 V AC rated insulation, 5 kV impulse between coil and contacts and 10 mm clearance and creepage. The degree of protection is IP67, and DC-coil versions operate from -40 to +85 C.
The relay mounts on the CR-PSS standard screw socket (1SVR405650R1000), the CR-PLS logical socket (1SVR405650R0000) or the spring socket CR-PLC (1SVR405650R0200). The CR-PH holder (1SVR405659R0000) and CR-PM marker (1SVR405658R0000) are accessories.
Documents and quotation
The linked file is the ABB CR-P pluggable interface relays data sheet 2CDC117001D0204. Seven Star LLC supplies the CR-P024DC1 on request from Muscat as an independent supplier; availability and lead time are given in the quotation. More products of this kind are in the Automation Accessories category, and a related item is the ABB CR-M024DC4L interface relay.
Confirm before ordering: the coil voltage on site (AC or DC), the load current and type (resistive or inductive), the number of changeover contacts needed and the socket type.
Datasheets & Documents
- Datasheet ABB CR-P pluggable interface relays data sheet 2CDC117001D0204 Download
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About brand
ABB is the Swiss-Swedish engineering group for electrification and automation: low voltage drives, motors, circuit breakers and motor control, process instruments and analysers, control systems and robots. It was formed on 5 January 1988 by the merger of two older companies. ASEA was founded in Västerås, Sweden, in 1883 by Ludvig Fredholm to make electric lighting and generators. BBC Brown Boveri was founded in Baden near Zurich in 1891 by Charles E. L. Brown and Walter Boveri. ABB Ltd is incorporated in Switzerland, headquartered in Zurich and listed on the SIX Swiss Exchange and Nasdaq Stockholm.
ABB company profile
| Formed | 5 January 1988, by the merger of ASEA (Sweden) and BBC Brown Boveri (Switzerland), each holding 50% |
|---|---|
| ASEA | Founded 1883 in Västerås, Sweden, by Ludvig Fredholm; first products electric lighting and generators |
| Brown, Boveri & Cie | Founded 1891 in Baden, Switzerland, by Charles E. L. Brown and Walter Boveri |
| Headquarters | Zurich, Switzerland; ABB Ltd became the group holding company in 1999 |
| Ownership | Public company listed on SIX Swiss Exchange and Nasdaq Stockholm |
| Brands in the group | Baldor (US motors, acquired 2011), B&R (machine automation, acquired 2017), K-TEK level instruments, Endura and Navigator analysers, SACE breakers |
| Product families | Low and medium voltage drives (ACS series), motors, SACE Tmax and Emax breakers, contactors and soft starters, flow, pressure, temperature and level instruments, liquid and gas analysers, Contrac actuators, AC500 PLCs, Ability System 800xA and S800 I/O, protection relays, robots |
Milestones
- 1883: ASEA is founded in Västerås, Sweden.
- 1891: Brown, Boveri & Cie is founded in Baden, Switzerland.
- 1987–1988: The merger is announced on 10 August 1987; ABB Asea Brown Boveri starts operating on 5 January 1988.
- 1999: ABB Ltd, incorporated in Switzerland, becomes the single holding company of the group.
- 2011 and 2017: Baldor Electric and B&R join ABB.
- 2020: ABB sells its power grids business to Hitachi, focusing on electrification, motion, process and machine automation.
Choosing an ABB drive
ABB's ACS drive codes are easy to read once you know the pattern. In ACS580-01-046A-4, "ACS580" is the drive family, "01" means a wall-mounted single drive, "046A" is the rated output current (about 46 A) and "-4" means a 380–480 V supply. The family is chosen by application: ACS355 for compact machinery, ACS310 for simple pumps and fans, ACS580 as the general-purpose drive, ACQ580 for water and wastewater with pump functions such as pipe fill and dry-run protection, and ACS880 for heavy industrial duty with direct torque control. Size the drive on the motor's full-load current, not only its kW rating, and allow derating for the high ambient temperatures common in Gulf electrical rooms.
Where ABB products are used
In Oman and the GCC, ABB drives and motors run pumps, fans and compressors in water and wastewater plants, district cooling, oil and gas and industry. ABB flowmeters, level instruments and analysers are used in water utilities, power and desalination plants and refineries, and SACE breakers protect switchboards in buildings and plants.
ABB products we list
| Family | Examples |
|---|---|
| AC drives | ACS580, ACS580-01-046A-4, ACQ580, ACS355, ACS310, ACS880-01, FEN-31 encoder module |
| Breakers, motor control and protection | SACE Tmax XT, XT3N 250, SACE Emax 2, AF09 contactor, PSR soft starter, REM615 relay |
| Flow measurement | ProcessMaster FEP300, AquaMaster4, CoriolisMaster FCB430, VortexMaster FSV430, SwirlMaster FSS430, OriMaster FPD500 |
| Pressure, temperature and level | 266DRH, 267CS multivariable, TTH300, K-TEK AT100, LMT200, MT5000 GWR, KM26 gauge |
| Analysers | Endura AZ20, AK100 hydrogen purity, Navigator AW641 silica, AW402 chlorine, AWT210 |
| Control systems and actuators | AC500, AC500-S, S800 AI810, AC 800F SA 811F, Contrac RSD50, Contrac RHD4000 |
Ordering ABB products: what we need
Send the full type code from the nameplate (for example ACS580-01-046A-4 or 266DSH...) and, for spare parts, the ABB ID number (such as 3BSE008508R1 or 1SBL176001R3010). For drives, add the motor power and current and any option codes (+...). For instruments, send the complete order code, which sets range, materials and approvals. Baldor motors are listed on their own brand page.
Facts checked against ABB company filings and published histories of ASEA and Brown, Boveri & Cie, October 2026.
FAQ
Questions about the ABB CR-P024DC1 Interface Relay 24 V DC 1 c/o 16 A
Answers from our engineering team on installation, compatibility and integration.
01What is the contact rating of the CR-P024DC1?
One changeover contact, 16 A at 250 V.
02What coil does it have?
24 V DC, 0.4 to 0.48 W, 1440 ohm.
03How wide is it on the socket?
15.5 mm.
04What degree of protection does it have?
IP67, per the ABB data sheet.
05Which socket does it use?
A CR-P socket, for example the CR-PSS (1SVR405650R1000).
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