Intermatic BIT25-B1S3W-BI Refrigeration Controller 110-240 Vac (DIN mount)

Product Description

The Intermatic BIT25-B1S3W-BI is a refrigeration controller that provides temperature regulation and monitoring for commercial refrigeration equipment. It accepts two NTC/PTC sensors and one digital input, supports 110-240 Vac power, offers RS485 communications, and features screw terminal connections. The controller includes three relay outputs for compressor and auxiliary control, an IP55 front enclosure rating, and is suitable for propane applications.

• Supports 2 NTC/PTC sensor inputs and 1 digital input with RS485 communication
• 110-240 Vac power supply; three relay outputs (compressor and auxiliaries) with rated loads
• DIN panel mount, IP55 front enclosure, operating range -10 to 50 C (14 to 122 F)

Product Highlights

3-relay refrigeration controller with RS485, screw terminals, propane suitability

Product Information

Standard Information

• Brand: INTERMATIC
• Manufacturer Part Number: BIT25-B1S3W-BI
• Country of Origin: Italy

Technical Specifications

• Brand: Intermatic
• Manufacturer Part Number: BIT25-B1S3W-BI
• Model: BIT25-B1S3W-BI
• Product Type: Refrigeration controller
• Sensor Inputs: 2 NTC/PTC sensors (NTC 10K Ohm @ 25 C)
• Digital Inputs: 1 digital input (DI1)
• Number of Relays: 3
• Input Voltage: 110-240 Vac, 50/60 Hz
• Voltage Selection Type: Auto voltage
• Current Rating: Compressor: 12 A at 240 Vac; Auxiliary 1: 16 A at 240 Vac (resistive); Auxiliary 2: 4 A at 240 Vac (resistive)
• Terminals: Screw terminals
• Communication: RS485 serial
• Display Type: Digital LED (display sold separately)
• Defrost Indicator: Red LED
• Enclosure Rating: IP55 (front)
• Mounting Type: DIN mount
• Operating Temperature: -10 to 50 C (14 to 122 F)
• Storage Temperature: 14 to 122 F (note: storage range matches operating range in provided data; this is unusual but retained)
• Operating Humidity: 0 to 80% RH, non-condensing
• Measurement Range: -50 to 110 C (-58 to 180 F)
• Measurement Accuracy: < 0.5 C within measurement range
• Dimensions (WxHxD): 87 x 83 x 40 mm (3.43 x 3.27 x 1.58 in) [validated conversion]
• Weight: 1.00 lb (454 g) [validated conversion]
• Wire Size Max: #10 AWG
• Minimum Cycle Time: 1 min
• Electrical Life: 100,000 operations at full load
• Approvals and Certifications: Title 24 compliant; NSF; UL (US & Canada); RoHS
• Country of Origin: Italy
• UPC: 078275150935
• GTIN: 00078275150935