Product Details
The ABB CR-M110DC4, also cataloged as the CR-M110DC4 Pluggable Interface Relay, operates as a dedicated hardware component for galvanic isolation and signal switching within control panel networks.
Hardware Specifications
| Parameter | Specification |
| Model | CR-M110DC4 (Product ID: 1SVR405613R8000) |
| Brand | ABB |
| Origin | Germany / Switzerland |
| Weight | 0.033 kg |
| Dimensions | 21.2 mm x 35.6 mm x 27.5 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Dependent on coil excitation metrics at nominal voltage |
| Rated Control Voltage (Us) | 110 V DC |
| Output Configuration | 4 c/o (SPDT) contacts |
| Rated Operational Voltage | 250 V AC |
| Output Signal Rating | 250 V / 6 A |
| Terminal Type | Flat-Pin Connections |
| Degree of Protection | IP40 |
| Storage Temperature | -40 to +85 deg C |
| Maximum Operating Altitude | 2000 m (without derating) |
I/O Density Scaling and Control Loop Isolation
The relay sub-assembly scales the signal density within local terminal housings by multiplexing 4 independent changeover contacts into a 21.2 mm width profile. This configuration allows parallel execution of discrete commands without overloading primary controller backplane bus communication velocity. The mechanical layout features standard flat-pin terminals compatible with matching CR-M base sockets, ensuring firmware flash compatibility of the overall panel instrumentation system by decoupling sensitive solid-state logic outputs from field inductive loads.
Frequently Asked Questions
Q: What are the contact performance boundaries under inductive DC-13 switching conditions?
A: The contacts are rated to execute loop breakdown switching at 2 A under 24 V DC configurations, dropping to 0.1 A when the continuous path reaches a 250 V DC operational threshold.
Q: Does this relay variant contain an integrated LED status indicator?
A: No. The CR-M110DC4 model belongs to the sub-function series designed without a built-in LED indicator circuit across the A1-A2 coil terminals.
Q: Can this unit be mounted directly to a standard DIN rail without accessories?
A: No, the flat-pin housing requires insertion into an authorized ABB CR-M socket base. The combined relay and socket structure can then be securely snap-mounted onto the 35 mm DIN rail.
Field Installation Guidelines
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Socket Insertion Alignment: Align the flat-pin terminals vertically with the receptacle slots of the CR-M socket. Push firmly until the retaining clip seats to ensure structural stability against operational vibration.
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Wiring Separations: Guide the low-voltage 110 V DC coil supply wires separate from the high-capacity 250 V AC output contact lines within the panel wiring channels to suppress electromagnetic noise.
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Altitude Derating Constraints: Operation up to 2000 m requires no current or voltage adjustments. For installations above this boundary, structural thermal and insulation degradation metrics must be calculated.
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Flammability Enclosure Criteria: The mechanical housing maintains a UL94 HB flammability profile; mount
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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