MTL TP48-3-N-NDI Safety Barrier - 20kA Surge Protection, 35V DC, 316 Stainless Steel Housing
Price:
negotiable
MOQ:
1 piece
Delivery Time:
on request
Brand:
MTL
Product Description
MTL Safety Barrier TP48-3-N-NDI Surge Protection Device
The TP48 range of surge protection devices provides superior protection for 2, 3, and 4-wire field-mounted transmitters, exceeding the optional transient protection capabilities available from transmitter manufacturers. This enhanced protection requires no additional wiring, conduit modifications, or expensive extras.
The TP48 protection network incorporates high-power solid-state electronics and a gas-filled discharge tube capable of diverting 20kA impulses. The entire unit is housed in a durable 316 stainless steel enclosure with threaded entries compatible with common process transmitter conduit systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Surge Current | 20kA peak current (8/20µs waveform) |
| Leakage Current | Less than 1µA at maximum working voltage |
| Working Voltage | 35V DC maximum |
| Bandwidth | 1MHz |
| Resistance | No resistance introduced into loop |
| Ambient Temperature Limits | -40°C to +85°C (-40°F to +185°F) operating -40°C to +85°C (-40°F to +185°F) storage |
| Humidity | 5% to 95% RH (non-condensing) |
| Electrical Connections | TP48-3: 3 flying leads (line1, line 2 & earth) TP48 3 Wire: 4 flying leads (+ve, -ve, signal & earth) TP48 4 Wire: 5 flying leads (+ve, -ve, signal +ve, signal -ve, earth) Wire size: 32/0.2 (1.0mm², 18 AWG) Lead length: 250mm (minimum) |
| Casing Material | 316 stainless steel suitable for harsh environments |
| Thread Options | TP48-3-N & TP48-4-N: 1/2" NPT TP48-3-I & TP48-4-I: 20mm ISO (M20 x 1.5) TP48-3-G & TP48-4-G: G 1/2" (BSP 1/2") |
| Weight | 175g (6.2oz) |
Compliance & Certifications
EMC Compliance: To Generic Immunity Standards; BS EN 61326-1 for industrial environments
Hazardous Area Certifications:
Ex ia IIC T4, Ceq=0, Leq=0 - Can be connected without further certification into any intrinsically safe loop with open circuit voltage Ex d IIC T4 - Apparatus approved to flameproof (explosion-proof) standards, suitable for installation in similarly approved housings
Ex ia IIC T4, Ceq=0, Leq=0 - Can be connected without further certification into any intrinsically safe loop with open circuit voltage Ex d IIC T4 - Apparatus approved to flameproof (explosion-proof) standards, suitable for installation in similarly approved housings
Electrical Safety: To BS EN 61643-21 for surge protection devices
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Company
SC Automation Limited
Location
Unit 1406B 14/F，The Belgian Bank Building, Nos. 721-725 Nathan Road, Mongkok, Kowloon,Hong kong.
Contact Person
Joy chen