Maintenance teams planning replacements for MD71BH frequently review GIC Dms120, GIC Temperature Controller and GIC GIC to prevent downtime, checking availability and compatibility with existing systems.
GIC MD71BH Voltage Monitoring
The GIC MD71BH Voltage Monitoring offers 240 VAC (1 Phase & 3 Phase, 4 Wire) supply voltage, 1 C/O relay output, Base / DIN rail mounting, IP 20 for Terminals, IP 40 for Enclosure degree of protection. Manufactured by GIC under the GIC Voltage Monitoring category, this model belongs to the GIC DM Series.
| Brand | GIC |
| Product Type | Voltage Monitoring |
| Model Number | MD71BH |
GIC MD71BH Voltage Monitoring β Technical Specifications
| Specification | Value |
|---|---|
| Supply Voltage | 240 VAC (1 Phase & 3 Phase, 4 Wire) |
| Frequency | 50/60 Hz |
| Power Consumption (Max.) | 4 VA |
| Phase Loss | Yes |
| Under Voltage | 55% to 95% |
| Over Voltage | 105% to 125% |
| ON Delay | 0.5 to 15 s (Selectable) |
| Trip Time (OFF Delay) | 5 s |
| Relay Output | 1 C/O |
| Contact Rating | 5A @ 250 VAC / 28 VDC (Resistive) |
| Electrical Life | 1X10^ 5 |
| Mechanical Life | 3X10^ 6 |
| Utilization Category AC-15 | Rated Voltage (Ue): 120/240 V, Rated Current (Ie): 3.0/1.5 A |
| Utilization Category DC-13 | Rated Voltage (Ue): 24/125/250 V, Rated Current (Ie): 2.0/0.22/0.1 A |
| Operating Temperature | -15 C To + 55 C |
| Storage Temperature | -25 C To + 70 C |
| Humidity (Non Condensing) | 95% (Rh) |
| Enclosure | Flame Retardant UL 94-V0 |
| Dimension (W x H x D) (in mm) | 36 X 60 X 90 |
| Weight | 120 g |
| Mounting | Base / DIN rail |
| Degree of Protection | IP 20 for Terminals, IP 40 for Enclosure |
The GIC MD71BH operates on a 240 VAC supply and works with both single-phase and three-phase four-wire systems, consuming only 4 VA for efficiency. This MD71BH Voltage Monitoring Relay provides essential protection against phase loss, under-voltage from 55% to 95%, and over-voltage from 105% to 125%. Engineers benefit from a selectable ON delay ranging from 0.5 to 15 seconds and a fixed trip time of 5 seconds, allowing flexible fault handling. Its 1 C/O relay output supports a 5A contact rating at 250 VAC or 28 VDC, ensuring dependable switching in control systems. With an electrical life of 100,000 operations and mechanical durability of 3 million cycles, the MD71BH GIC device offers long service life. Compact at 36 Γ 60 Γ 90 mm, weighing 120 g, and featuring a flame-retardant UL 94-V0 enclosure with IP20/IP40 protection, it is safe, durable, and easy to integrate.
The GIC MD71BH Voltage Monitoring device is widely used in automation panels, motor protection systems, power distribution setups, and HVAC equipment. Maintenance teams rely on its reliability to prevent downtime and protect compressors, motors, and control systems from electrical faults. In commercial environments such as elevators, lighting networks, and air-conditioning systems, it ensures stable voltage management. Its wide operating temperature range of -15Β°C to +55Β°C and tolerance for 95% relative humidity make it suitable for diverse industrial and commercial climates. With DIN rail or base mounting, installation is quick and flexible, helping engineers maintain system safety while saving time.
The GIC MD71BH Voltage Monitoring Relay is trusted by industries for its precision, durability, and safety-focused design. Engineers and plant managers appreciate its ability to extend equipment life, reduce maintenance costs, and provide consistent voltage protection. By combining advanced monitoring functions with robust construction, GIC MD71BH remains one of the most dependable solutions in the field of power supervision. For factories, automation plants, and commercial buildings, the MD71BH Voltage Monitoring Relay ensures uninterrupted operations, making it a preferred choice when dependable voltage monitoring is critical. Industrial buyers count on MD71BH GIC to achieve reliable protection and long-term operational stability.
