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Brand: ABB
ABB CR-M230AC4L Interface Relay 230 V AC 4 c/o 6 A
Description
CR-M230AC4L: four changeover contacts and an LED on a 230 V AC coil
CR-M230AC4L is the four-contact CR-M relay with a 230 V AC coil and a coil LED (suffix L). Its four changeover (SPDT) contacts are rated 6 A at 250 V, so one mains signal can switch four circuits at once, which suits interface duty in control cabinets and marshalling panels.
The data sheet lists a Lloyd’s Register approval for the devices with four changeover contacts, in addition to UL 508, CSA, VDE, GOST and CCC as printed, so it is of interest for marine and offshore panels. Confirm the current approval status against the label of the delivered item.
Technical specifications
| Parameter | Specification |
|---|---|
| Type designation / order code | CR-M230AC4L / 1SVR405613R3100 |
| Relay type | Pluggable interface relay, 4 c/o (SPDT) contacts, with LED |
| Coil voltage Us | 230 V AC, 50/60 Hz; pick-up from 184 V, maximum 253 V at 55 C |
| Coil power / resistance | 1.6 VA / 16,100 ohm (plus or minus 10 %) |
| Thermal current Ith | 6 A; AC12 230 V 6 A; DC12 24 V 6 A |
| Inductive ratings | AC15 230 V 1 A, 120 V 1.5 A; DC13 24 V 2 A, 120 V 0.22 A |
| Inrush / AC1 power | 12 A / 1500 VA |
| Life / switching times | Mechanical above 20 million cycles; electrical above 100,000 cycles at 6 A 250 V; typical pick-up 10 ms, release 8 ms (AC) |
| Ambient temperature | Operation -40 to +55 C for AC coils; storage -40 to +85 C |
| Isolation | 250 V AC; impulse 2.5 kV coil to contacts; clearance at least 1.6 mm, creepage at least 3.2 mm; overvoltage category II, pollution degree 2 |
| Contact material / rated voltage | AgNi / Ue 250 V; max switching 250 V AC/DC; minimum 10 V and 5 mA |
| Test button | Integrated manual actuation and locking button (blue for DC, orange for AC coils) |
| Dimensions on socket / weight | 21.2 x 27.5 x 35.6 mm (W x H x D) / 35 g; width on socket 27 mm |
| Protection / mounting | IP40 / on a CR-M socket, any mounting position |
| Approvals and standards | UL 508, CSA C22.2 No. 14, VDE, GOST, CCC, CE; EN 61810-1 |
What differs from the two-contact relays
Because four contacts are packed into the same 21.2 x 27.5 x 35.6 mm body, the ABB table gives smaller clearances and creepage distances for this version, with overvoltage category II and pollution degree 2, against category III and degree 3 for the 2c/o relays. Current ratings are lower too: 6 A thermal, 1 A at 230 V AC15 and a making current of 12 A.
The coil is the same 1.6 VA AC type as in the other CR-M AC relays and allows ambient temperatures from -40 to +55 C. Typical pick-up is 10 ms and release is 8 ms.
Sockets for four-contact relays
The CR-M4SS standard screw socket (1SVR405651R3000), the CR-M4LS logical screw socket (1SVR405651R3100) and the spring-clamp CR-M4LC (1SVR405651R3200) accept four-contact relays. The fork-type CR-M4SF (1SVR405651R3300) is another option.
A varistor module CR-P/M 82 (1SVR405656R2000) can be added for 230 V AC overvoltage protection. Note that the L version already has a coil LED, so an LED function module is normally not needed.
Documents and quotation
The linked file is the ABB CR-M pluggable interface relays data sheet 2CDC117002D0205. Seven Star LLC supplies the CR-M230AC4L 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-M pluggable interface relays data sheet 2CDC117002D0205 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.
Related products
Frequently Asked Questions
What does the L in CR-M230AC4L mean?
It marks the version with an LED that shows the coil is energised.
How many contacts does it have?
Four changeover (SPDT) contacts rated 6 A at 250 V.
What coil does it use?
230 V AC, 50/60 Hz, 1.6 VA.
Which socket should be used?
A four-contact socket such as the CR-M4SS (1SVR405651R3000).
Is there a marine approval?
The data sheet lists Lloyd's Register for four-contact devices; check the label of the delivered item.
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