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GE CR115E723111
Product Name: GE CR Series General-Purpose Control Relay
Product Introduction: The CR115E723111 is a general-purpose industrial control relay produced by GE. It is used for signal switching and logic control in industrial control circuits and belongs to the standard control relay lineup of GE’s Controls product line.
Detailed content
Technical Specifications:
- Coil nominal voltage: 24 V DC (confirm by suffix)
- Contact configuration: 4 change-over contacts (4CO) or 2 change-over + 2 normally-open (per specific variant)
- Contact rated current: 10 A @ 250 V AC / 10 A @ 30 V DC (resistive load)
- Contact rated power: 2500 VA (AC) / 300 W (DC)
- Coil power consumption: ≤ 1.5 W (DC model)
- Insulation resistance: ≥ 100 MΩ (measured with 500 V DC megger)
- Dielectric strength: 2000 V AC / 1 minute, coil-to-contact
- Mechanical life: 10,000,000 operations
- Electrical life: 500,000 operations (at rated load)
- Operating temperature: -25°C to +55°C
- Mounting: 35 mm DIN rail / socket mounting
- Protection rating: IP40 (with cover)
Functional Features:
- 4 change-over contacts satisfying complex logic control needs
- Wide coil voltage range (12 V / 24 V / 48 V / 110 V / 220 V DC; 24 V / 110 V / 220 V AC available)
- Transparent housing design allowing visual observation of contact action status
- Socket base design enables quick plug-and-play relay replacement
- Complies with UL 508, CSA C22.2 No. 14, IEC 61811 standards
Material Composition:
- Housing: Flame-retardant PC polycarbonate (transparent), UL94 V-0
- Contact material: AgSnO₂ silver-tin oxide alloy (arc-welding resistant, low contact resistance)
- Coil bobbin: PBT (polybutylene terephthalate)
- Coil wire: Enameled copper wire (Class H insulation, 180°C)
- Terminals: Nickel-plated copper alloy spring terminals
Structural Characteristics:
- Standard industrial relay form factor, width approx. 17.5 mm
- Transparent top cover for clear visibility of internal contact status
- Bottom DIN rail clip or socket insertion pins
- Front panel with model label and wiring diagram
- Terminal arrangement conforms to IEC 60669
Working Principle: When the coil is energized, it generates an electromagnetic field that attracts the armature, driving the contact set to switch from the normally-closed state to the normally-open state (or vice versa).
Installation Requirements: Mount on 35 mm DIN rail or insert into a compatible socket base. Ensure coil voltage matches the control circuit. Wire field contacts per the IEC 60669 terminal layout. For IP40 protection, install the provided cover.
Usage Precautions: Use only within the rated contact current (10 A) and voltage limits. Avoid installing in environments exceeding the stated temperature range (-25°C to +55°C). Verify coil voltage polarity for DC versions. Replace the relay if contact welding or mechanical wear is observed. Always de-energize the control circuit before removal or replacement.
